Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. ANNA P QUAN MD
NPI 1871543140
Internal Medicine in San Diego, CA

Q: What is Anna Quan's NPI number?

The NPI number for Anna Quan is 1871543140. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Anna Quan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Anna Quan was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since May 10, 2006PECOS Enrolled

3350 LA JOLLA VILLAGE DR, SAN DIEGO, CA 92161(858) 552-8585 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Anna P Quan Md NPPES

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

DR. ANNA P QUAN MD (NPI 1871543140) is an individual internal medicine provider in San Diego, California, licensed in California (A60361) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871543140

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. ANNA P QUANCredential: MD

Location Address3350 LA JOLLA VILLAGE DRSan Diego, CA 92161-0002

Mailing Address3763 Torrey View CtSan Diego, CA 92130-2623 · (858) 552-8585

Phone(858) 552-8585

Sole ProprietorNo

Enumeration DateMay 10, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1871543140 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 · A60361

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.

3350 LA JOLLA VILLAGE DR, San Diego, CA 92161

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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)

Dr. Anna P Quan Md 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 92161 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

$140.22 typical visit price

range $62.10 – $184.71

Typical copayment $35.05 (range $15.52 – $46.17)

Most-billed visit code 99204

Established Patient

$108.42 typical visit price

range $20.62 – $151.42

Typical copayment $27.10 (range $5.15 – $37.85)

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.