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JOHN RANDOLPH BALMES MD
NPI 1851478374
Internal Medicine in San Francisco, CA

Active since November 01, 2006PECOS Enrolled
1001 POTRERO AVENUE, BLDG 30 5TH FLOOR, SAN FRANCISCO, CA 94110(415) 206-5200(415) 206-8949 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Randolph Balmes Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN RANDOLPH BALMES MD (NPI 1851478374) is an individual internal medicine provider in San Francisco, California, licensed in California (G48421) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851478374
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJOHN RANDOLPH BALMESCredential: MD
Location Address1001 POTRERO AVENUE, BLDG 30 5TH FLOORSan Francisco, CA 94110-3518
Mailing AddressPo Box 7464San Francisco, CA 94120-7464 · (415) 206-3103 · Fax (415) 206-3872
Phone(415) 206-5200
Fax(415) 206-8949
Sole ProprietorNo
Enumeration DateNovember 1, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1851478374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G48421
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License G48421 (CA)

Other Identifiers 1

Medicaid00G484210CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John Randolph Balmes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PWINT PHYU KHINE D.O.
Radiology (Diagnostic Radiology)
1001 POTRERO AVENUE, BLDG. 5, 1ST FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8020
JOYCE SESE DORADO PH D
Psychologist (Clinical)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5612
STEPHANIE SHEREENA HERNANDEZ
Community Health Worker
1001 POTRERO AVENUE, BUILDING 90 WARD 94
SAN FRANCISCO, CA 94110
San Francisco County (415) 373-7119
CITY AND COUNY OF SAN FRANCISCO
Nuclear Medicine
1001 POTRERO AVENUE, RM G100
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8580
URMIMALA SARKAR MD
Internal Medicine
1001 POTRERO AVENUE, RM 5H22
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8317
RENA MEI MD
Internal Medicine (Gastroenterology)
1001 POTRERO AVENUE, BUILDING 5, 3RD FLOOR, SUITE 3D
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8823
MICHAEL HARRINGTON HUMPHREYS MD
Internal Medicine
1001 POTRERO AVENUE, BLDG 100 RM 350
SAN FRANCISCO, CA 94110
San Francisco County (415) 476-4617
LLOYD JOSEPH KING MD
Psychiatry & Neurology (Psychiatry)
1001 POTRERO AVENUE, RM 7M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5612

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Balmes's NPI number?

The NPI number for John Balmes is 1851478374. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is John Balmes located?

John Balmes practices at 1001 Potrero Avenue Bldg 30 5th Floor, San Francisco, CA 94110. The listed phone number is (415) 206-5200.

What is John Balmes's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is John Balmes enrolled in Medicare?

Yes. John Balmes is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Balmes was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.