DR. MARGARET C. FANG MD
NPI 1417911462
Internal Medicine in San Francisco, CA

Active since April 14, 2006PECOS EnrolledAccepts Medicare Assignment
74.46/100
CMS Quality Rating
533 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 502-1414(415) 514-2094 Get Directions Write a Review

NPPES record last updated: July 30, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Margaret C. Fang Md NPPES

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

DR. MARGARET C. FANG MD (NPI 1417911462) is an individual internal medicine provider in San Francisco, California, licensed in California (A83381) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1998).

NPPES Registry Identity

NPI1417911462
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARGARET C. FANGCredential: MD
Location Address533 PARNASSUS AVESan Francisco, CA 94143-2208
Mailing Address503 Parnassus Ave., Box 0131San Francisco, CA 94143-0131 · (415) 502-1414 · Fax (415) 514-2094
Fax(415) 514-2094
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1998
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 30, 2008
NPI 1417911462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A83381
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.
533 PARNASSUS AVE, San Francisco, CA 94143

Other Identifiers 3

Medicare PIN0A8338100CA
Medicare UPINH36309CA
Medicaid0A8338100CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Margaret C. Fang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446334791
PECOS Enrollment IDI20080225000603
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
28 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.46/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability76
Improvement Activities40
Cost46.68

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.

Student in an Organized Health Care Education/Training Program
533 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
533 PARNASSUS AVE, CAMPUS BOX 0748
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
533 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Genetic Counselor, MS
533 PARNASSUS AVE, BOX 0748
SAN FRANCISCO, CA 94143
Pharmacist
533 PARNASSUS AVE, ROOM U585
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
533 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
533 PARNASSUS AVE, ROOM U585
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
533 PARNASSUS AVE
SAN FRANCISCO, CA 94143

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 Margaret Fang's NPI number?

The NPI number for Margaret Fang is 1417911462. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Margaret Fang located?

Margaret Fang practices at 533 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 502-1414.

What is Margaret Fang's specialty?

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

Is Margaret Fang enrolled in Medicare?

Yes. Margaret Fang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Margaret Fang was last updated on July 30, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.