Dr. Frederick Santiago
Dr. Frederick R. Santiago
Last updated: Jan 9, 2026

Dr. Frederick R. Santiago

  • Gender: Male
  • Experience: 32 years
  • Graduation year: 1989
  • Sole propriator: Yes
  • NPI: 1538598412

Dr. Frederick R. Santiago M.D.

Internist

He is located at 3330 Lomita Boulevard Torrance Memorial Medical Center in Torrance, CA 90505. Can help patients with the following: Arthritis, Atherosclerosis, Edema, Hyponatremia, Nausea and Vomiting, Obesity. His National Provider Identifier (NPI) number is 1538598412. Appointment can be made via the phone number (310) 784-8770. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Frederick Santiago, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Frederick R. Santiago.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

Medicare Enrollment

Dr. Frederick R. Santiago is enrolled to bill Medicare as a Practitioner - Internal Medicine .

Bills through: Healthcare Partners Affiliates Medical Group

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

Janssen $482
Pfizer $274
Otsuka Pharmaceutical $113

Other

Food and Beverage $1246

Studies

Graduated in 1989

Affiliated practices

Healthcare Partners Affiliates Medical Group
1120 West Washington Boulevard
Los Angeles, 90015 CA
(213) 623-2225

Affiliated hospitals

TORRANCE MEMORIAL MEDICAL CENTER
3330 LOMITA BLVD
TORRANCE, 90509 CA
(310) 325-9110

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Dr. Carole Jean Hauser
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Dr. Aarthi Arasu
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Questions & Answers

Where can you meet with Dr. Frederick Santiago?

Dr. Frederick Santiago's office is located at 3330 Lomita Boulevard Torrance Memorial Medical Center in Torrance, CA 90505.

What conditions does Dr. Frederick Santiago treat?

Dr. Frederick Santiago provides treatment for Arthritis, Atherosclerosis, Edema, Hyponatremia, Nausea and Vomiting, Obesity. For the full list see this list.

Does Dr. Frederick Santiago accept insurance?

Unfortunately we don't have any information if Dr. Frederick Santiago accepts insurance.

Has Dr. Frederick Santiago affiliation with hospitals?

Dr. Frederick Santiago is affiliated with TORRANCE MEMORIAL MEDICAL CENTER.

Does Dr. Frederick Santiago have affiliation with practices?

Dr. Frederick Santiago is affiliated with Healthcare Partners Affiliates Medical Group.