WILLIAM G. PETERSEN M.D.
NPI 1770544579
Internal Medicine - Pulmonary Disease in Amarillo, TX
About William G. Petersen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM G. PETERSEN M.D. (NPI 1770544579) is an individual pulmonary disease provider in Amarillo, Texas, licensed in Texas (G5477) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Bsa Hospital, and is a graduate of University Of Missouri, Columbia School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
William G. Petersen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show William Petersen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Amarillo, TX 79106
- Reassigned Medicare billing, Texas enrollment
- 151 clinicians in this Medicare group
Tyler, TX 75702
- Reassigned Medicare billing, Texas enrollment
- 2,745 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.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bsa Hospital
Acute Care Hospitals · Amarillo, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 79106 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
AMARILLO, TX 79106
AMARILLO, TX 79106
AMARILLO, TX 79106
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 William Petersen's NPI number?
The NPI number for William Petersen is 1770544579. It was assigned to this individual provider in the NPPES registry on March 31, 2006.
Where is William Petersen located?
William Petersen practices at 1600 Wallace Blvd, Amarillo, TX 79106. The listed phone number is (806) 212-2129.
What is William Petersen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is William Petersen enrolled in Medicare?
Yes. William Petersen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for William Petersen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Petersen reassigns Medicare benefits to 2 organizations: Bsa Physicians Group Inc (Amarillo, TX) and Christus Trinity Clinic Texas (Tyler, TX). Each 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 William Petersen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Petersen accept?
Health plans from Antidote Health of TX and Blue Cross and Blue Shield of Texas list William Petersen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is William Petersen affiliated with any hospitals?
According to CMS data, William Petersen is affiliated with Bsa Hospital.
When was this NPI record last updated?
The NPPES record for William Petersen was last updated on May 18, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# William G. Petersen, M.D. · NPI 1770544579
Pulmonary Disease physician in Amarillo, Texas. Individual provider, active in the CMS NPPES registry since March 31, 2006.
## Identity
- **NPI:** 1770544579 (Entity type: Individual)
- **Enumerated:** March 31, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** G5477 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 WALLACE BLVD, Amarillo, TX 79106-1799
- **Phone:** (806) 212-2129 · **Fax:** (806) 212-2246
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Bsa Physicians Group Inc (NPI 1457696916, Amarillo, TX); Christus Trinity Clinic Texas (NPI 1285684225, Tyler, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Missouri, Columbia School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** May 18, 2021
- **Other identifiers:** Medicaid 101087805 (TX); Other 733996 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1770544579) · Data from the CMS NPPES public registry.