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AYESHA ASHLEY APPA MD
NPI 1538587712
Internal Medicine - Infectious Disease in San Francisco, CA

Active since April 03, 2014PECOS EnrolledAccepts Medicare Assignment
91.85/100
CMS Quality Rating
1001 POTRERO AVE, SAN FRANCISCO, CA 94110(628) 206-8000 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 2, 2026, Nov 2, 2021, Oct 18, 2017 (3 updates tracked since 2017).

About Ayesha Ashley Appa Md NPPES

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

AYESHA ASHLEY APPA MD (NPI 1538587712) is an individual infectious disease provider in San Francisco, California, licensed in California (A154797) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, maintains a secondary practice location in Seattle, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1538587712
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameAYESHA ASHLEY APPACredential: MD
Location Address1001 POTRERO AVESan Francisco, CA 94110-3518
Mailing Address995 Potrero, Building 80, 6th FloorSan Francisco, CA 94110 · (628) 206-2400 · Fax (415) 353-8548
Phone(628) 206-8000
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateApril 3, 2014
Last NPPES UpdateApril 2, 20263 updates tracked since enumeration
NPPES CertifiedApril 2, 2026
✔ NPI 1538587712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A154797
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License A154797 (CA)
1001 POTRERO AVE, San Francisco, CA 94110
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Secondary Practice Location 1

Location 1325 9th AveSeattle, WA 98104-2420 · Phone (206) 520-5000

Other Identifiers 2

Other8966227WA · Medicare Pin
Medicaid1538587712WA

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

Ayesha Ashley Appa 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 ID9234454109
PECOS Enrollment IDI20211105000897
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 94110 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.

91.85/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.53
Promoting Interoperability100
Improvement Activities40
Cost68.01

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.

ROCIO C AGRAZ-LARA RN, PHN
Registered Nurse
1001 POTRERO AVE, ZSFG BUILDING 90 4TH FLOOR
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-8524
DR. SUSAN WLODARCZYK MD
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE, BLDG 10, 3RD FLOOR, WARD 13 BOX 1364
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5164
AMY DINER PSY.D.
Student in an Organized Health Care Education/Training Program
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
CHRISTOPHER RUIZ
Case Manager/Care Coordinator
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-3950
C. STIRLING SOMERS
Counselor
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-5270
WILLIAM RUSSEL CARPENTER FNP-C
Nurse Practitioner (Family)
1001 POTRERO AVE
SAN FRANCISCO, CA 94110
San Francisco County (628) 206-8000
REGENTS OF THE UNIVERSITY OF CALIFORNIA
Clinical Medical Laboratory
1001 POTRERO AVE, BLDG 100, RM 104
SAN FRANCISCO, CA 94110
San Francisco County (415) 502-4775
DR. DENISE RENEE GONZALEZ MD
Internal Medicine
1001 POTRERO AVE, 1M
SAN FRANCISCO, CA 94110
San Francisco County (415) 206-6075

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 Ayesha Appa's NPI number?

The NPI number for Ayesha Appa is 1538587712. It was assigned to this individual provider in the NPPES registry on April 3, 2014.

Where is Ayesha Appa located?

Ayesha Appa practices at 1001 Potrero Ave, San Francisco, CA 94110. The listed phone number is (628) 206-8000.

What is Ayesha Appa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Ayesha Appa enrolled in Medicare?

Yes. Ayesha Appa 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 Ayesha Appa was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.