Cynthia Larson, D.O.
NPI 1558543058 · Obstetrics & Gynecology Physician · Webster, TX
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Larson, D.O. is a Obstetrics & Gynecology Physician provider in Webster, TX (NPI 1558543058).
Provider details
- NPI number
- 1558543058
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- N3817 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2007-11-27
- Last updated
- 2024-01-30
- Certified
- 2024-01-30
Frequently asked questions
- What is Cynthia Larson's NPI number?
- Cynthia Larson's National Provider Identifier (NPI) is 1558543058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Larson's specialty?
- Cynthia Larson is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Larson located?
- Cynthia Larson's practice location on file with NPPES is 500 Medical Center Blvd, Webster, TX 77598.
- What is Cynthia Larson's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Larson is (281) 338-3300.
- Does Cynthia Larson accept Medicare?
- Cynthia Larson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Larson's NPI active?
- Yes — Cynthia Larson's NPI (1558543058) is active in the NPPES registry as of the last update on 2024-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.