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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JASON NI
NPI 1659066215
Internal Medicine in San Francisco, CA

Active since April 10, 2023PECOS Enrolled
1101 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 600-6000(415) 213-4659 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 27, 2026, Apr 10, 2023 (2 updates tracked since 2023).

About Jason Ni NPPES

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

JASON NI (NPI 1659066215) is an individual internal medicine provider in San Francisco, California, licensed in California (A210057) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659066215
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameJASON NI
Location Address1101 VAN NESS AVESan Francisco, CA 94109-6919
Mailing Address601 Van Ness Ave Ste E3619San Francisco, CA 94102-3200 · (415) 531-9047 · Fax (415) 213-4659
Phone(415) 600-6000
Fax(415) 213-4659
Sole ProprietorNo
Enumeration DateApril 10, 2023
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1659066215 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 · A210057
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.
1101 VAN NESS AVE, San Francisco, CA 94109
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jason Ni 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 94109 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.

LUCY HAN
Pathology (Anatomic Pathology & Clinical Pathology)
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-2200
LINDSEY ATTIG
Registered Nurse (Continence Care)
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
CARLI RENSKE REISDORF MD
Emergency Medicine
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
YU-CHEN HU M.D.
Internal Medicine
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
RILEY ELIZABETH PULEO ACNPC-AG, AGACNP-BC
Nurse Practitioner (Critical Care Medicine)
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
MICHELLE HEIWAH CHAN
Pharmacist
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
GUOWEI LI PHARMD
Pharmacist
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000
SEO HO KIM
Physician Assistant
1101 VAN NESS AVE
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-6000

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 Jason Ni's NPI number?

The NPI number for Jason Ni is 1659066215. It was assigned to this individual provider in the NPPES registry on April 10, 2023.

Where is Jason Ni located?

Jason Ni practices at 1101 Van Ness Ave, San Francisco, CA 94109. The listed phone number is (415) 600-6000.

What is Jason Ni's specialty?

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

Is Jason Ni enrolled in Medicare?

Yes. Jason Ni is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jason Ni was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.