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California Referable Physicians

What is a referable physician?

Referable physicians are MD or DO members of the American Academy of Environmental Medicine who have successfully completed the Core Curriculum consisting of four Instructional Courses.

The designation of Fellow is awarded to members who have successfully completed the Core Curriculum and passed the board examination of American Board of Environmental Medicine.


Cathie-Ann Lippman, M.D. (Member)

291 South La Cienega Blvd
Suite 207
Beverly Hills, CA 90211-3309
Tel: (310) 289-8430

Specialties: Allergy, Environmental Medicine, Homeopathy,Nutritional Medicine, Preventive Medicine

Certifications: Psychiatry & Neurology, Child Psychiatry

Basic Diagnostic Techniques:

  • Ecologic Oriented History
  • (D): Diet Elimination
  • (I): Electrodermal Testing

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Sublingual
  • (F): Food Antigens: Based on Neutralization:Sublingual
  • (C): Chemical Antigens: Based on Neutralization: Sublingual
  • Avoidance

William Dodson Creighton, M.D. (Member)

197 W. Legion Road, Ste 200
Brawley, CA 92227
Tel: (760) 344-7412

Specialties: Allergy

Certifications: Allergy & Immunology

Basic Diagnostic Techniques:

  • Serial Endpoint Titration, Preservative Free Antigens
  • (D): Diet Elimination, Rotary Diversified Diet
  • (I): RAST IGE, RAST IGG

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose
  • (F): Food Antigens: Based on Neutralization:Sublingual
  • Preservative Free Antigen Therapy
  • Avoidance
  • Rotary Diversified Diet

Gerald A. Wyker, M.D. (Member)

Holistic Healing Center of Carmel
25530 Rio Vista Drive
Carmel, CA 93923
Tel: (831) 625-0911

Specialties: Allergy, Chelation, Clinical Immunology, Environmental Medicine, Family Practice, Non-Toxic Dentistry, Nutritional Medicine, Preventive Medicine

Certifications: Diplomte, American Board of Holistic Medicine

Basic Diagnostic Techniques:

Ecologic Oriented History

  • (D): Diet Elimination, Rotary Diversified Diet
  • (I): RAST IGE, RAST IGG

John R. Toth, D.O. (Member)

2299 Bacon Street, Suite 10
Concord, CA 94520
Tel: (925) 687-9447

Specialties: Allergy, Chelation, Environmental Medicine, Family Practice, Nutritional Medicine, Preventive Medicine, Anti-Aging Medicine

Certifications: Family Practice

Basic Diagnostic Techniques:

  • Ecologic Oriented History, Serial Endpoint Titration, Sublingual P/N, Intradermal P/N, Preservative Free Antigens
  • (D): Diet Elimination, Rotary Diversified Diet, Oral Challenge Diet

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Sublingual, Subcutaneous
  • (F): Food Antigens: Based on Neutralization: Subcutaneous, Sublingual
  • (C): Chemical Antigens: Based on Neutralization: Sublingual, Subcutaneous
  • Avoidance
  • Preservative Free Antigen Therapy
  • Rotary Diversified Diet

Allen Green, M.D. (Member)

2211 Corinth Ste 204
Los Angeles, CA 90064
Tel: (310) 966-9194

Specialties: Acupuncture, Allergy, Chelation, Environmental Medicine, Family Practice, Immunologic Metabolic Disorders, Nutritional Medicine, Preventive Medicine, Integrative Medicine

Certifications: Family Practice

Basic Diagnostic Techniques:

  • Ecologic Oriented History, Serial Endpoint Titration, Intradermal P/N, Preservative Free Antigens
  • (D): Diet Elimination, Rotary Diversified Diet
  • (I): RAST IGE, RAST IGG

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Subcutaneous
  • (F): Food Antigens: Based on Neutralization: Subcutaneous
  • (C): Chemical Antigens: Based on Neutralization: Subcutaneous
  • Avoidance
  • Preservative Free Antigen Therapy
  • Rotary Diversified Diet

Jung-Sook Sue Johnson, M.D.,F.C.C.P. (Member)

1510 South Central Avenue #325
Glendale, CA 91204
Tel: (818) 244-0112

Specialties: Allergy, Clinical Immunology, Environmental Medicine, Internal Medicine, Nutritional Medicine, Preventive Medicine, Pulmonary medicine

Certifications: Internal Medicine, Pulmonary Medicine

Basic Diagnostic Techniques:

  • (I): RAST IGE, RAST IGG Environmental/Occupational History, allergy skin tests, pulmonary function tests, O2 study, chest x-ray, bronchoseopy - diagnostic/therapeutic, IGE, Rast, other immunologic studies

Other: P, Ph

Basic Treatment Techniques:

  • Avoidance,
  • Rotary Diversified Diet

Ronald R. Wempen, M.D. (Fellow)

Health and Energy Medical Clinic, Inc.
14795 Jeffrey Rd., #101
Irvine, CA 926180415
Tel: (949) 551-8751

Specialties: Environmental Medicine, Homeopathy,Immunologic Metabolic Disorders, Nutritional Medicine, Anti-Aging; Metal Detoxification

Certifications: Environmental Medicine, Neural Therapy

Basic Diagnostic Techniques:

  • Ecologic Oriented History, Intradermal P/N
  • (D): Diet Elimination, Rotary Diversified Diet, Oral Challenge Diet
  • (I): RAST IGE, RAST IGG, Phenol-free Antigens

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Sublingual, Subcutaneous
  • (F): Food Antigens: Based on Neutralization: Sublingual, Subcutaneous
  • (C): Chemical Antigens: Based on Neutralization: Sublingual, Subcutaneous
  • Avoidance
  • Rotary Diversified Diet

Kevin Hegewald, M.D. (Member)

Wellness Resource Medical Clinic
30111 Niguel Road Ste K
Laguna Niguel, CA 92677
Tel: (949) 249-9449

Specialties: Allergy, Environmental Medicine, Emergency Medicine

Certifications: Emergency Medicine, General Medicine

Basic Diagnostics Techniques:

  • (I): Provocation neutralization intradermal skin

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Sublingual, Subcutaneous, Maximum Tolerated Dose
  • Preservative Free Antigen Therapy
  • Rotary Diversified Diet

Charles A. Moss, M.D. (Fellow)

8950 Villa La Jolla Dr. Ste A217
La Jolla, CA 920371711
Tel: (858) 457-1314

Specialties: Acupuncture, Environmental Medicine, Family Practice, Nutritional Medicine, Anti-Aging

Certifications: Environmental Medicine, Family Practice, Medical Accupunture

Basic Diagnostic Techniques:

Ecologic Oriented History, Serial Endpoint Titration, Sublingual P/N, Intradermal P/N

  • (D): Diet Elimination, Rotary Diversified Diet, Oral Challenge Diet
  • (I): RAST IGE, RAST IGG

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Sublingual, Subcutaneous
  • (F): Food Antigens: Based on Neutralization: Sublingual
  • (C): Chemical Antigens: Based on Neutralization: Sublingual
  • Avoidance
  • Rotary Diversified Diet

Deborah A. Metzger, M.D., PhD (Member)

851 Fremont Avenue, #104
Los Altos, CA 94024
Tel: (650) 229-1010

Specialties: Environmental Medicine, OB/Gyn, GYN, Repro Endo & Infertility; PHD-molecular endocrinology, Integrative medicine

Certifications: Obstetrics & Gynecology, Repro Endo & Infertility

Basic Diagnostic Techniques:

  • Ecologic Oriented History, Serial Endpoint Titration, Sublingual P/N, Intradermal P/N, Preservative Free Antigens
  • (D): Diet Elimination, Rotary Diversified Diet
  • (I): RAST IGE, RAST IGG

Other: Ph

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Sublingual, Subcutaneous
  • (F): Food Antigens: Based on Neutralization: Sublingual
  • Avoidance
  • Preservative Free Antigen Therapy
  • Rotary Diversified Diet

Andrew Scott Cook, M.D. (Member)

VitalCare Institute of Health
15055 Los Gatos Blvd. Suite 250
Los Gatos, CA 95032
Tel: (408) 358-2511

Specialties: Allergy, Pelvic Pain; Endometriosis; minimally invasive surgery

Certifications: Obstetrics & Gynecology, Surgery

Basic Diagnostic Techniques:

Ecologic Oriented History, Serial Endpoint Titration, Sublingual P/N, Intradermal P/N

  • (D): Diet Elimination, Rotary Diversified Diet
  • (I): RAST IGE, RAST IGG

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Based on Neutralization, Optimal Dose, Sublingual, Subcutaneous
  • Rotary Diversified Diet

Robin Bernhoft, M.D., FACS (Member)

1200 Maricopa Highway
Suite A
Ojai, CA 93023
Tel: (805) 640-0180

Specialties: Environmental Medicine, Functional Medicine, Metabolic Syndrome and Weight Loss, Nutritional Medicine, Preventive Medicine, Chronic Illness, Clinical Toxicology

Certifications: Surgery, Board Eligible in Environmental Medicine and Clinical Metal Toxicology
Member, Institute for Funcational Medicine

Basic Diagnostic Techniques:

Ecologic Oriented History, Rountine chemistries as indicated, including venous blood gas, hormonal, immune, metabolic, etc;l
Bioimpedance analysis, R-R Interval Variability, Spirometry

  • (D): Rotary Diversified Diet, Oral Challenge Diet
  • Other: Urinary provocation for metals, urine organic acids, blood allergy panel, genomics, detailed immune w/u when indicated, Toxicological and hormonal testing

Basic Treatment Techniques:

  • Other: Nutritional (restoration of gut integrity, First Line Therapy for body composition and metabolic improvement, avoidance, rotary diversified diet, repletion of excretory and metabolic enzyme cofactors). Intravenous: nutritional repletion, chelation of heavy metal toxicity per ABCMT protocols. Sauna, oxygen, exercise with oxygen, biofeedback, stress reduction, other.

Richard A. Hendricks, M.D. (Member)

Ear, Nose and Throat Medi
1050 Las Tablas Rd.
Templeton, CA 93465
Tel: (805) 434-1836

Specialties: Allergy, Otolaryngology

Certifications: Otolaryngology

Basic Diagnostic Techniques:

  • (D): Diet Elimination, Rotary Diversified Diet, (I): RAST IGE, RAST IGG

Basic Treatment Techniques:

  • (I): Inhalant Antigens: Maximum Tolerated Dose
  • Avoidance
  • Rotary Diversified Diet

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