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STEPHEN CHAN MD
NPI 1982109138
Internal Medicine in San Francisco, CA

Active since March 29, 2018PECOS EnrolledAccepts Medicare Assignment
2100 WEBSTER ST, SAN FRANCISCO, CA 94115(415) 600-2402(415) 369-1292 Get Directions Write a Review

NPPES record last updated: July 15, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 15, 2022, Mar 29, 2018 (2 updates tracked since 2018).

About Stephen Chan Md NPPES

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

STEPHEN CHAN MD (NPI 1982109138) is an individual internal medicine provider in San Francisco, California, licensed in California (1261389) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2018).

NPPES Registry Identity

NPI1982109138
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEPHEN CHANCredential: MD
Location Address2100 WEBSTER STSan Francisco, CA 94115-2373
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 600-2402 · Fax (415) 369-1292
Phone(415) 600-2402
Fax(415) 369-1292
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2018
Enumeration DateMarch 29, 2018
Last NPPES UpdateJuly 15, 20222 updates tracked since enumeration
NPPES CertifiedJuly 15, 2022
✔ NPI 1982109138 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 · 1261389
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.
2100 WEBSTER ST, San Francisco, CA 94115
Open in Google Maps ↗

Other Identifiers 1

OtherA163949CA · State Medical License

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

Stephen Chan 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 ID1052749389
PECOS Enrollment IDI20210610002259
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 9

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
547 services299 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
114 services114 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
69 services61 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
42 services42 patients
Influenza vaccine, inactivated 90653
The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.
32 services32 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
30 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94115 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.

JACK C ROSE
Psychiatry & Neurology (Neurology)
2100 WEBSTER ST, 4TH FLOOR
SAN FRANCISCO, CA 94115
San Francisco County (415) 600-5760
RUSSELL D WOO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2100 WEBSTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3004
DR. STAFFORD J DUHN DDS
Dentist (General Practice)
2100 WEBSTER ST, SUITE 325
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3034
DR. RICKI POLLYCOVE M.D., M.H.S.
Obstetrics & Gynecology (Gynecology)
2100 WEBSTER ST, STE. 508
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3390
OLGA HIDCHENKO NP
Clinical Nurse Specialist (Women's Health)
2100 WEBSTER ST, SUITE 319
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3123
DR. DAVID R MINOR MD
Internal Medicine (Medical Oncology)
2100 WEBSTER ST, #326
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-8600
DR. PEDRO JOSE RUIZ M.D., PH.D.
Internal Medicine (Rheumatology)
2100 WEBSTER ST, SUITE 112
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3060
JONATHAN KAPLAN MD INC
Plastic Surgery
2100 WEBSTER ST, SUITE 429
SAN FRANCISCO, CA 94115
San Francisco County (415) 923-3005

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 Stephen Chan's NPI number?

The NPI number for Stephen Chan is 1982109138. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Stephen Chan located?

Stephen Chan practices at 2100 Webster St, San Francisco, CA 94115. The listed phone number is (415) 600-2402.

What is Stephen Chan's specialty?

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

Is Stephen Chan enrolled in Medicare?

Yes. Stephen Chan 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 Stephen Chan was last updated on July 15, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.