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CONSTANCE WU MD
NPI 1447837661
Internal Medicine in San Francisco, CA

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
505 PARNASSUS AVE, SAN FRANCISCO, CA 94143(415) 476-1000 Get Directions Write a Review

NPPES record last updated: June 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 10, 2025, Mar 24, 2021 (2 updates tracked since 2021).

About Constance Wu Md NPPES

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

CONSTANCE WU MD (NPI 1447837661) is an individual internal medicine provider in San Francisco, California, licensed in California (A191824) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2021).

NPPES Registry Identity

NPI1447837661
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCONSTANCE WUCredential: MD
Location Address505 PARNASSUS AVESan Francisco, CA 94143-2204
Mailing Address505 Parnassus AveSan Francisco, CA 94143-2204 · (415) 476-1000
Phone(415) 476-1000
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateJune 10, 20252 updates tracked since enumeration
NPPES CertifiedJune 10, 2025
✔ NPI 1447837661 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 · A191824
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.
505 PARNASSUS AVE, San Francisco, CA 94143
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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 and accepts Medicare assignment

Constance Wu 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 ID3375924350
PECOS Enrollment IDI20241010001137
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
$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.

CATHERINE RAMSDELL NNP
Nurse Practitioner (Neonatal)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-1000
DR. CLAUDIO ANDRES BRAVO CARRILLO M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 502-4243
MAURICIO JALIFE BUCAY M.D
Hospitalist
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 750-4994
EMMA B SHAK M.D.
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-1528
DR. ADRIANA A.T. MARTIN M.D., PH.D.
Internal Medicine
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
WILLIAM JAMES DEARDORFF
Internal Medicine (Geriatric Medicine)
505 PARNASSUS AVE, 15 LONG
SAN FRANCISCO, CA 94143
San Francisco County (415) 406-1417
KEERTHANA REDDY BANALA
Student in an Organized Health Care Education/Training Program
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 514-7288
ROBERT CHRISTIAN WENZ
Nurse Anesthetist, Certified Registered
505 PARNASSUS AVE
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-8054

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 Constance Wu's NPI number?

The NPI number for Constance Wu is 1447837661. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Constance Wu located?

Constance Wu practices at 505 Parnassus Ave, San Francisco, CA 94143. The listed phone number is (415) 476-1000.

What is Constance Wu's specialty?

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

Is Constance Wu enrolled in Medicare?

Yes. Constance Wu 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 Constance Wu was last updated on June 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.