Katharine Johnson, MD
NPI 1790985984 · Neonatal-Perinatal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Johnson, MD is a Neonatal-Perinatal Medicine Physician provider in San Antonio, TX (NPI 1790985984).
Provider details
- NPI number
- 1790985984
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD12958 (RI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
Mailing address
Additional practice locations (1)
- 5414 Fredericksburg RdSuite 100San Antonio, TX 78229-3641Phone: (210) 541-8281
Registry dates
- Enumerated
- 2007-07-25
- Last updated
- 2020-12-29
- Certified
- 2020-12-29
Frequently asked questions
- What is Katharine Johnson's NPI number?
- Katharine Johnson's National Provider Identifier (NPI) is 1790985984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Johnson's specialty?
- Katharine Johnson is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katharine Johnson located?
- Katharine Johnson's practice location on file with NPPES is 5430 Fredericksburg Rd Ste 508, San Antonio, TX 78229-3561.
- What is Katharine Johnson's phone number?
- The practice phone number listed in the NPPES registry for Katharine Johnson is (210) 541-8281.
- Does Katharine Johnson accept Medicare?
- Katharine Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Johnson's NPI active?
- Yes — Katharine Johnson's NPI (1790985984) is active in the NPPES registry as of the last update on 2020-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.