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SAN FRANCISCO CRITICAL CARE MED GROUP INC
NPI 1215000211
Internal Medicine - Pulmonary Disease in San Francisco, CA

Active since November 16, 2006
1100 VAN NESS AVE STE 1005, SAN FRANCISCO, CA 94109(415) 923-3421(415) 243-8666 Get Directions Write a Review

NPPES record last updated: February 8, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About San Francisco Critical Care Med Group Inc NPPES

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

SAN FRANCISCO CRITICAL CARE MED GROUP INC (NPI 1215000211) is a healthcare organization registered as a pulmonary disease in San Francisco, California and active in the NPI registry since November 2006. The organization lists Christopher R Brown, Secretary, as its authorized official.

NPPES Registry Identity

NPI1215000211
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameSAN FRANCISCO CRITICAL CARE MED GROUP INC
Location Address1100 VAN NESS AVE STE 1005San Francisco, CA 94109-6980
Mailing Address1100 Van Ness Ave Ste 1005San Francisco, CA 94109-6980 · (415) 923-3421 · Fax (415) 243-8666
Phone(415) 923-3421
Fax(415) 243-8666
Organization SubpartNo
Authorized OfficialChristopher R BrownSecretary · (415) 923-3421
Enumeration DateNovember 16, 2006
Last NPPES UpdateFebruary 8, 2021
NPPES CertifiedFebruary 8, 2021
✔ NPI 1215000211 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · G50990
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License G50990 (CA)
Also ListedInternal Medicine · Sleep MedicineTaxonomy 207RS0012X
1100 VAN NESS AVE STE 1005, San Francisco, CA 94109
Open in Google Maps ↗

Other Identifiers 1

OtherGR0089300CA · Medi Cal

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

San Francisco Critical Care Med Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

28

Medicare enrollment records show 28 clinicians reassign Medicare billing to San Francisco Critical Care Med Group Inc, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 19 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Critical Care (Intensivists)11
Pulmonary Disease10
Internal Medicine5
Anesthesiology2

Nearest to this location (20)

See all 28
Brandon Lu, M.D., M.S.
Pulmonary Disease
NPI 1093836710
1100 VAN NESS AVE STE 1005
San Francisco, CA 94109
(415) 923-3421
✔ PECOS✔ Accepts MedicareSame address
Morgan Gilani, MD
Pulmonary Disease
NPI 1902172042
1100 VAN NESS AVE STE 1005
San Francisco, CA 94109
(415) 923-3421
✔ PECOS✔ Accepts MedicareSame address
Chongiin Kim
Pulmonary Disease
NPI 1578086518
1100 VAN NESS AVE STE 1005
San Francisco, CA 94109
(415) 243-8666
✔ PECOS✔ Accepts MedicareSame address
Liang Liang
Critical Care (Intensivists)
NPI 1538665880
1101 VAN NESS AVE STE 1120
San Francisco, CA 94109
(415) 600-6000
✔ PECOS✔ Accepts MedicareSame address
Sean Townsend, MD
Critical Care (Intensivists)
NPI 1528058617
1101 VAN NESS AVE
San Francisco, CA 94109
(617) 921-3237
✔ PECOSSame address
Christopher Brown, MD
Pulmonary Disease
NPI 1104900901
2351 CLAY ST 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Tze-Ming Chen, M.D.
Internal Medicine
NPI 1215092705
2351 CLAY ST SUITE 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Jey Chung, M.D.
Pulmonary Disease
NPI 1306071626
2351 CLAY ST STE 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Ryan Dougherty, M.D.
Internal Medicine
NPI 1942317409
2351 CLAY ST STE. 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
James Hershon, MD
Critical Care (Intensivists)
NPI 1508940305
2351 CLAY ST # 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
George Horng, MD
Critical Care (Intensivists)
NPI 1306924972
2351 CLAY ST SUITE 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Vinayak Jha, MD
Pulmonary Disease
NPI 1598774432
2351 CLAY ST SUITE 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Joshua Sternbach, M.D.
Pulmonary Disease
NPI 1225293038
2351 CLAY ST SUITE 501
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Helena Wang, MD
Critical Care (Intensivists)
NPI 1538190368
2351 CLAY ST STE 501 SAN FRANCISCO CRITICAL CARE MEDICAL GROUP
San Francisco, CA 94115
(415) 923-3421
✔ PECOS✔ Accepts Medicare0.7 mi
Janet Diaz, MD
Critical Care (Intensivists)
NPI 1568550812
1001 POTRERO AVENUE RM 5K1
San Francisco, CA 94110
(415) 206-8314
✔ PECOS2.3 mi
Samuel Mcgowan, MD
Pulmonary Disease
NPI 1942720842
513 PARNASSUS AVE
San Francisco, CA 94143
(415) 476-0735
✔ PECOS✔ Accepts Medicare2.6 mi
Melanie Weingart, MD
Internal Medicine
NPI 1073019741
400 PARNASSUS AVE
San Francisco, CA 94143
(415) 353-2961
✔ PECOS✔ Accepts Medicare2.6 mi
Zindaba Kumwenda, MD
Anesthesiology
NPI 1235271396
ANESTHESIA AND PERIOPERATIVE CARE 505 PARNASSUS AVENUE. RM M917
San Francisco, CA 94143
(415) 353-1212
✔ PECOS✔ Accepts Medicare2.7 mi
Juan Caraballo, MD
Internal Medicine
NPI 1508125907
1900 SULLIVAN AVE
Daly City, CA 94015
(319) 471-5877
✔ PECOS✔ Accepts Medicare7.9 mi
Sachin Gupta, M.D.
Critical Care (Intensivists)
NPI 1215163183
1411 E 31ST ST
Oakland, CA 94602
(650) 763-7791
✔ PECOS✔ Accepts Medicare10 mi
See all 28 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 San Francisco Critical Care Med Group Inc's NPI number?

The NPI number for San Francisco Critical Care Med Group Inc is 1215000211. It was assigned to this organization in the NPPES registry on November 16, 2006.

Where is San Francisco Critical Care Med Group Inc located?

San Francisco Critical Care Med Group Inc is located at 1100 Van Ness Ave Ste 1005, San Francisco, CA 94109. The listed phone number is (415) 923-3421.

What is San Francisco Critical Care Med Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is San Francisco Critical Care Med Group Inc enrolled in Medicare?

Yes. San Francisco Critical Care Med Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through San Francisco Critical Care Med Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 28 clinicians in 4 Medicare specialties reassign their Medicare billing to San Francisco Critical Care Med Group Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Critical Care (Intensivists) (11), Pulmonary Disease (10) and Internal Medicine (5). Of these, 5 practice at this address and 19 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for San Francisco Critical Care Med Group Inc was last updated on February 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.