DR. PETER STANTON HALVORSON MD
NPI 1265528541
Family Medicine in Houston, TX

Active since October 05, 2006PECOS Enrolled
13105 WORTHAM CENTER DR, HOUSTON, TX 77065(713) 442-4000 Get Directions Write a Review

NPPES record last updated: April 23, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 23, 2020, Dec 29, 2016 (2 updates tracked since 2016).

About Dr. Peter Stanton Halvorson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER STANTON HALVORSON MD (NPI 1265528541) is an individual family medicine provider in Houston, Texas, licensed in Texas (J2593) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265528541
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. PETER STANTON HALVORSONCredential: MD
Location Address13105 WORTHAM CENTER DRHouston, TX 77065-5611
Mailing Address11511 Shadow Creek PkwyPearland, TX 77584-7298 · (713) 442-0000
Sole ProprietorNo
Enumeration DateOctober 5, 2006
Last NPPES UpdateApril 23, 20202 updates tracked since enumeration
NPPES CertifiedApril 23, 2020
✔ NPI 1265528541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in TX · J2593
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
13105 WORTHAM CENTER DR, Houston, TX 77065

Other Identifiers 3

Medicaid104781306TX
Medicaid104781305TX
Medicaid104781304TX

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Stanton Halvorson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter Halvorson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
2727 W HOLCOMBE BLVD
Houston, TX 77025
  • Reassigned Medicare billing, Texas enrollment
  • 1,649 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Registered Nurse (Pediatrics)
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Nurse Practitioner (Family)
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Nurse Practitioner (Family)
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Pediatrics
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Pharmacy (Community/Retail Pharmacy)
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Pharmacist
13105 WORTHAM CENTER DR
HOUSTON, TX 77065
Family Medicine (Sports Medicine)
13105 WORTHAM CENTER DR
HOUSTON, TX 77065

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Halvorson's NPI number?

The NPI number for Peter Halvorson is 1265528541. It was assigned to this individual provider in the NPPES registry on October 5, 2006.

Where is Peter Halvorson located?

Peter Halvorson practices at 13105 Wortham Center Dr, Houston, TX 77065. The listed phone number is (713) 442-4000.

What is Peter Halvorson's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Peter Halvorson enrolled in Medicare?

Yes. Peter Halvorson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Halvorson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Halvorson reassigns Medicare benefits to Kelsey-Seybold Medical Group, PLLC (Houston, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Halvorson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Peter Halvorson was last updated on April 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.