What is Chichi Woo's NPI number?

Chichi Woo's National Provider Identifier (NPI) is 1023119070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Chichi Woo's specialty?

Chichi Woo is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).

Where is Chichi Woo located?

Chichi Woo's practice location on file with NPPES is 512 E Highland Blvd, San Antonio, TX 78210-3521.

What is Chichi Woo's phone number?

The practice phone number listed in the NPPES registry for Chichi Woo is (210) 207-8896.

Does Chichi Woo accept Medicare?

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

Is Chichi Woo's NPI active?

Yes — Chichi Woo's NPI (1023119070) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActiveAccepts Medicare

Chichi Woo, MD

NPI 1023119070 · Obstetrics & Gynecology Physician · San Antonio, TX

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

Chichi Woo, MD is a Obstetrics & Gynecology Physician provider in San Antonio, TX (NPI 1023119070).

Provider details

NPI number: 1023119070
Entity type: Individual
Primary specialty: Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: L9019 (TX)

Specialties & taxonomies

Obstetrics & Gynecology PhysicianPrimary207V00000XLicense L9019 (TX)
Allopathic & Osteopathic Physicians
Public Health & General Preventive Medicine Physician2083P0901XLicense L9019 (TX)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(99/100 index)

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

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
4 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

512 E Highland Blvd

San Antonio, TX 78210-3521

Phone: (210) 207-8896

Fax: (210) 208-8999

Street-level locationGet directions

More TX providers

Mailing address

111 Soledad St

San Antonio, TX 78205-2230

Additional practice locations (3)

2303 Se Military Dr Bldg 533
San Antonio, TX 78223-3542
Phone: (210) 207-8780
1226 Nw 18th St
San Antonio, TX 78207-1300
Phone: (210) 207-8894
2303 Sw Military Dr Bldg 528
San Antonio, TX 78224-1406
Phone: (210) 207-8823

Enumerated: 2006-09-25
Last updated: 2022-07-21

Frequently asked questions

What is Chichi Woo's NPI number?: Chichi Woo's National Provider Identifier (NPI) is 1023119070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Chichi Woo's specialty?: Chichi Woo is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
Where is Chichi Woo located?: Chichi Woo's practice location on file with NPPES is 512 E Highland Blvd, San Antonio, TX 78210-3521.
What is Chichi Woo's phone number?: The practice phone number listed in the NPPES registry for Chichi Woo is (210) 207-8896.
Does Chichi Woo accept Medicare?: Chichi Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Chichi Woo's NPI active?: Yes — Chichi Woo's NPI (1023119070) is active in the NPPES registry as of the last update on 2022-07-21.

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