Dr. Merrill Ralph Nisam
Dr. Merrill R. Nisam
Last updated: Dec 16, 2025

Dr. Merrill R. Nisam

  • Gender: Male
  • Experience: 41 years
  • Graduated from: University Of California, Davis School Of Medicine
  • Graduation year: 1980
  • Sole propriator: No
  • NPI: 1205824067

Dr. Merrill R. Nisam MD

Pulmonologist

He is located at 1100 Larkspur Landing Circle Suite 10 in Larkspur, CA 94939. Can help patients with the following: Alpha-1 Antitrypsin Deficiency (AATD), Arthritis, Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Peptic Ulcer, Sleep Apnea. His National Provider Identifier (NPI) number is 1205824067. Appointment can be made via the phone number (415) 924-1214. He is affiliated with 3 practices and 2 hospitals.

Conditions treated

Dr. Merrill Ralph Nisam, being an pulmonologist, 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. Merrill R. Nisam.

  • Abdominal Pain
  • Acute Pain
  • Alpha-1 Antitrypsin Deficiency (AATD)
  • Anemia
  • Arthritis
  • Asbestosis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Blood Clots
  • Bronchiectasis
  • Bronchitis
  • Chest Pain
  • Cholecystitis
  • Chronic Cough
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Collapsed Lung
  • Common Cold
  • Constipation
  • Cryptococcosis
  • Cystic Fibrosis (CF)
  • Cystitis
  • Diarrhea
  • Edema
  • Embolism
  • Emphysema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Lung Cancer
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Pleural Effusion
  • Pleurisy
  • Pneumonia
  • Prescription Refill
  • Pulmonary Aspiration
  • Pulmonary Embolism (PE)
  • Pulmonary Fibrosis (PF)
  • Pulmonary Hypertension (PH)
  • Sarcoidosis
  • Sleep Apnea
  • Sleep Disorders
  • Smoking and Quitting Smoking
  • Tuberculosis (TB)
  • Urethritis
  • Urinary Tract Infection (UTI)

Procedures Performed by Dr. Merrill R. Nisam

Medicare Enrollment

Dr. Merrill R. Nisam is enrolled to bill Medicare as a Practitioner - Critical Care (intensivists) (also registered under: Practitioner - Pulmonary Disease) .

Bills through: Aretaeus Telemedicine Inc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

GlaxoSmithKline $317
Boehringer Ingelheim $247
Merck $136

Other

Food and Beverage $1593
Consulting $75

Studies

UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE

Graduated in 1980

Additional Specialities

  • Internist

Affiliated practices

Prima Medical Foundation
100 A Drakes Landing Road
Kentfield, 94904 CA
(415) 461-7800
Prima Medical Group
652 Petaluma Avenue
Sebastopol, 95472 CA
(707) 823-7616
Prima Medical Foundation
1260 South Eliseo Drive
Kentfield, 94904 CA
(415) 461-7800

Affiliated hospitals

NOVATO COMMUNITY HOSPITAL
180 ROWLAND WAY
NOVATO, 94945 CA
(415) 209-1300
MARIN GENERAL HOSPITAL
250 BON AIR ROAD, PO BOX 8010
GREENBRAE, 94904 CA
(415) 925-7900

Questions & Answers

Has Dr. Merrill Ralph Nisam affiliation with hospitals?

Dr. Merrill Ralph Nisam is affiliated with NOVATO COMMUNITY HOSPITAL. For the full list of hospitals see this list.

Does Dr. Merrill Ralph Nisam have affiliation with practices?

Dr. Merrill Ralph Nisam is affiliated with Prima Medical Foundation. For the full list of practices see this list.

Where can you meet with Dr. Merrill Ralph Nisam?

Dr. Merrill Ralph Nisam's office is located at 1100 Larkspur Landing Circle Suite 10 in Larkspur, CA 94939.

What conditions does Dr. Merrill Ralph Nisam treat?

Dr. Merrill Ralph Nisam provides treatment for Alpha-1 Antitrypsin Deficiency (AATD), Arthritis, Cholecystitis, Chronic Obstructive Pulmonary Disease (COPD), Peptic Ulcer, Sleep Apnea. For the full list see this list.