Peter Halvorson, MD
NPI 1265528541 · Family Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Halvorson, MD is a Family Medicine Physician provider in Houston, TX (NPI 1265528541).
Provider details
- NPI number
- 1265528541
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- J2593 (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
19 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
- 2006-10-05
- Last updated
- 2020-04-23
- Certified
- 2020-04-23
Frequently asked questions
- What is Peter Halvorson's NPI number?
- Peter Halvorson's National Provider Identifier (NPI) is 1265528541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Halvorson's specialty?
- Peter Halvorson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Halvorson located?
- Peter Halvorson's practice location on file with NPPES is 13105 Wortham Center Dr, Houston, TX 77065-5611.
- What is Peter Halvorson's phone number?
- The practice phone number listed in the NPPES registry for Peter Halvorson is (713) 442-4000.
- Does Peter Halvorson accept Medicare?
- Peter Halvorson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Halvorson's NPI active?
- Yes — Peter Halvorson's NPI (1265528541) is active in the NPPES registry as of the last update on 2020-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.