Dr John Robert Nienow, MD in San Francisco, CA

Dr John Robert Nienow, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in San Francisco, California. He went to Yale University School Of Medicine and graduated in 1988 and has 37 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 2186 Geary Blvd Ste 314, San Francisco, California. You can reach out to his office (for appointments etc.) via phone at (415) 202-1550.

Dr John Robert Nienow is licensed to practice in California (license number 00G795490) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1861472649.

Contact Information

	Dr John Robert Nienow, MD
	2186 Geary Blvd Ste 314, San Francisco, CA 94115-3457
	(415) 202-1550
	(415) 776-8233

Map and Direction

Physician's Profile

Full Name	Dr John Robert Nienow
Gender	Male
Speciality	Internal Medicine
Experience	37 Years
Location	2186 Geary Blvd Ste 314, San Francisco, California
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr John Robert Nienow attended and graduated from Yale University School Of Medicine in 1988

NPI Data:

NPI Number: 1861472649
Provider Enumeration Date: 01/18/2006
Last Update Date: 05/06/2025

Medicare PECOS Information:

PECOS PAC ID: 9638146004
Enrollment ID: I20040914001378

Medical Identifiers

Medical identifiers for Dr John Robert Nienow such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1861472649	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RI0200X	Internal Medicine - Infectious Disease	00G795490 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
California Pacific Medical Center- Van Ness Campus	San francisco, CA	Hospital
California Pacific Medical Ctr-davies Campus Hosp	San francisco, CA	Hospital
California Pacific Medical Center - Mission Bernal	San francisco, CA	Hospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr John Robert Nienow allows following entities to bill medicare on his behalf.

Entity Name	Strategic Wellness Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1326681560 PECOS PAC ID: 1052746609 Enrollment ID: O20200109000394

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr John Robert Nienow is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr John Robert Nienow, MD 2186 Geary Blvd Ste 314, San Francisco, CA 94115-3457 Ph: (415) 202-1550	Dr John Robert Nienow, MD 2186 Geary Blvd Ste 314, San Francisco, CA 94115-3457 Ph: (415) 202-1550

Reviews and Comments

Internal Medicine Doctors in San Francisco, CA

Joseph Li-han Yang, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-476-1000
Dr. Pratyusha Kishore Narra, MBBS Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 3490 California St, San Francisco, CA 94118 Phone: 415-514-6200 Fax: 415-514-6410
Dr. Chelsea Joy Thomsen, M.D., M.S.P.H Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 2 W Portal Ave, San Francisco, CA 94127 Phone: 415-291-0480 Fax: 415-252-7176
Christine Soran, Infectious Disease Medicare: Medicare Enrolled Practice Location: 1001 Potrero Ave, Bldg 10, 3rd Floor, Ward 13, Ucsf Division Of General Internal Medicine Sfgh, San Francisco, CA 94110 Phone: 415-206-5164 Fax: 415-206-5586
Stephen Norris Cohen, MD Infectious Disease Medicare: Not Enrolled in Medicare Practice Location: 40 Ventura Ave, San Francisco, CA 94116 Phone: 415-681-2171 Fax: 415-681-2171
Dr. Claudio Andres Bravo Carrillo, M.D. Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-502-4243 Fax: 415-502-0243
Mauricio Jalife Bucay, M.D Infectious Disease Medicare: Accepting Medicare Assignments Practice Location: 505 Parnassus Ave, San Francisco, CA 94143 Phone: 415-750-4994 Fax: 415-750-8156

Dr John Robert Nienow, MD - Medicare Internal Medicine in San Francisco, CA