What is Phoebe Winn's NPI number?

Phoebe Winn's National Provider Identifier (NPI) is 1821559956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Phoebe Winn's specialty?

Phoebe Winn is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Phoebe Winn located?

Phoebe Winn's practice location on file with NPPES is 521 Parnassus Ave Fl 7, San Francisco, CA 94143-2206.

What is Phoebe Winn's phone number?

The practice phone number listed in the NPPES registry for Phoebe Winn is (415) 353-1238.

Does Phoebe Winn accept Medicare?

Phoebe Winn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Phoebe Winn's NPI active?

Yes — Phoebe Winn's NPI (1821559956) is active in the NPPES registry as of the last update on 2026-04-21.

IndividualActiveAccepts Medicare

Phoebe Winn, MD

NPI 1821559956 · Pediatrics Physician · San Francisco, CA

Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Phoebe Winn, MD is a Pediatrics Physician provider in San Francisco, CA (NPI 1821559956).

Provider details

NPI number: 1821559956
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: A178293 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense A178293 (CA)
Allopathic & Osteopathic Physicians
Pediatric Hospice and Palliative Medicine Physician2080H0002XLicense 61570806 (WA)
Allopathic & Osteopathic Physicians
Student in an Organized Health Care Education/Training Program390200000X
Student, Health Care
Pediatric Hospice and Palliative Medicine Physician2080H0002XLicense A178293 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(71/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
7 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
2 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

521 Parnassus Ave Fl 7

San Francisco, CA 94143-2206

Phone: (415) 353-1238

Street-level locationGet directions

More CA providers

Mailing address

4800 Sand Point Way Ne

Seattle, WA 98105-3901

Additional practice locations (1)

4800 Sand Point Way Ne
Seattle, WA 98105-3901
Phone: (206) 884-8520

Enumerated: 2019-03-29
Last updated: 2026-04-21
Certified: 2026-04-21

Frequently asked questions

What is Phoebe Winn's NPI number?: Phoebe Winn's National Provider Identifier (NPI) is 1821559956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Phoebe Winn's specialty?: Phoebe Winn is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
Where is Phoebe Winn located?: Phoebe Winn's practice location on file with NPPES is 521 Parnassus Ave Fl 7, San Francisco, CA 94143-2206.
What is Phoebe Winn's phone number?: The practice phone number listed in the NPPES registry for Phoebe Winn is (415) 353-1238.
Does Phoebe Winn accept Medicare?: Phoebe Winn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Phoebe Winn's NPI active?: Yes — Phoebe Winn's NPI (1821559956) is active in the NPPES registry as of the last update on 2026-04-21.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.