ISABELLA PHAN MD
NPI 1598977415
Ophthalmology in San Francisco, CA

Active since May 04, 2007PECOS EnrolledAccepts Medicare Assignment
400 PARNASSUS AVE, UNIV OF CALIFORNIA, SAN FRANCISCO, SAN FRANCISCO, CA 94143(415) 353-2608 Get Directions Write a Review

NPPES record last updated: January 18, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Isabella Phan Md NPPES

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

ISABELLA PHAN MD (NPI 1598977415) is an individual ophthalmology provider in San Francisco, California, licensed in California (99033) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (2005).

NPPES Registry Identity

NPI1598977415
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameISABELLA PHANCredential: MD
Location Address400 PARNASSUS AVE, UNIV OF CALIFORNIA, SAN FRANCISCOSan Francisco, CA 94143-2202
Mailing AddressPo Box 344, 400 Parnassus Ave, Uc ClinicsSan Francisco, CA 94104-0344 · (415) 353-2608
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2005
Enumeration DateMay 4, 2007
Last NPPES UpdateJanuary 18, 2022
NPI 1598977415 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in CA · 99033
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
400 PARNASSUS AVE, San Francisco, CA 94143

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

Isabella Phan 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 ID547302002
PECOS Enrollment IDI20100524000327
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 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
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
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.

Ophthalmology
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery (Surgical Critical Care)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Otolaryngology (Pediatric Otolaryngology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Physician Assistant
400 PARNASSUS AVE, 3RD FLOOR, SUITE 311
SAN FRANCISCO, CA 94143
Physical Therapist
400 PARNASSUS AVE, A-68
SAN FRANCISCO, CA 94143
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Orthopaedic Surgery
400 PARNASSUS AVE
SAN FRANCISCO, CA 94143
Surgery
400 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 Isabella Phan's NPI number?

The NPI number for Isabella Phan is 1598977415. It was assigned to this individual provider in the NPPES registry on May 4, 2007.

Where is Isabella Phan located?

Isabella Phan practices at 400 Parnassus Ave Univ Of California, San Francisco, San Francisco, CA 94143. The listed phone number is (415) 353-2608.

What is Isabella Phan's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Isabella Phan enrolled in Medicare?

Yes. Isabella Phan 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 Isabella Phan was last updated on January 18, 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.