PHILIP WALKER DO
NPI 1649512807
Internal Medicine in Holloman Afb, NM
About Philip Walker Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PHILIP WALKER DO (NPI 1649512807) is an individual internal medicine provider in Holloman Afb, New Mexico, licensed in New Mexico (A-1885-15) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Gerald Champion Regional Medical Center, and is a graduate of University Of New Mexico School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses
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
Philip Walker Do 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
9Medicare enrollment records show Philip Walker reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alamogordo, NM 88310
- Reassigned Medicare billing, New Mexico enrollment
- 48 clinicians in this Medicare group
Alamogordo, NM 88310
- Reassigned Medicare billing, New Mexico enrollment
- 39 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 238 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 69 clinicians in this Medicare group
Las Cruces, NM 88011
- Reassigned Medicare billing, New Mexico enrollment
- 66 clinicians in this Medicare group
Albuquerque, NM 87111
- Reassigned Medicare billing, New Mexico enrollment
- 25 clinicians in this Medicare group
Santa Fe, NM 87505
- Reassigned Medicare billing, New Mexico enrollment
- 24 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, New Mexico enrollment
- 251 clinicians in this Medicare group
Sunnyvale, CA 94087
- Reassigned Medicare billing, New Mexico enrollment
- 18 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 9
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Gerald Champion Regional Medical Center
Acute Care Hospitals · Alamogordo, NMMemorial Medical Center
Acute Care Hospitals · Las Cruces, NMArtesia General Hospital
Acute Care Hospitals · Artesia, NMLos Alamos Medical Center
Acute Care Hospitals · Los Alamos, NMMountain View Regional Medical Center
Acute Care Hospitals · Las Cruces, NMPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 88330 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Philip Walker's NPI number?
The NPI number for Philip Walker is 1649512807. It was assigned to this individual provider in the NPPES registry on March 25, 2013.
Where is Philip Walker located?
Philip Walker practices at 49 Mdg, 280 David L Goldfein Street Bldg 23, Holloman Afb, NM 88330. The listed phone number is (575) 572-2778.
What is Philip Walker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Philip Walker enrolled in Medicare?
Yes. Philip Walker 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 Philip Walker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Walker reassigns Medicare benefits to 9 organizations: Four Corners Emergency Physicians PLLC (Alamogordo, NM), Western Mountain Hospital Physicians PLLC (Alamogordo, NM), Las Cruces Hb Medical Services LLC (Las Cruces, NM), Hospitalist Medicine Physicians Of New Mexico-Tcg LLC (Las Cruces, NM), Northwest Hospital Medicine Physicians LLC (Las Cruces, NM) and 4 more organizations, listed in the Medicare section above. 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 Philip Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Philip Walker accept?
Health plans from Blue Cross and Blue Shield of Texas list Philip Walker 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 Philip Walker affiliated with any hospitals?
According to CMS data, Philip Walker is affiliated with Gerald Champion Regional Medical Center, Memorial Medical Center, Artesia General Hospital, Los Alamos Medical Center and Mountain View Regional Medical Center.
When was this NPI record last updated?
The NPPES record for Philip Walker was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Philip Walker, DO · NPI 1649512807
Internal Medicine physician in Holloman Afb, New Mexico. Individual provider, active in the CMS NPPES registry since March 25, 2013.
## Identity
- **NPI:** 1649512807 (Entity type: Individual)
- **Enumerated:** March 25, 2013
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A-1885-15 (New Mexico)
- **Sole proprietor:** No
## Practice location
- **Address:** 49 MDG, 280 DAVID L GOLDFEIN STREET, BLDG 23, Holloman Afb, NM 88330
- **Phone:** (575) 572-2778 · **Fax:** (575) 572-3930
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Four Corners Emergency Physicians PLLC (NPI 1144793464, Alamogordo, NM); Western Mountain Hospital Physicians PLLC (NPI 1992278360, Alamogordo, NM); Las Cruces Hb Medical Services LLC (NPI 1598446171, Las Cruces, NM); Hospitalist Medicine Physicians Of New Mexico-Tcg LLC (NPI 1376022822, Las Cruces, NM); Northwest Hospital Medicine Physicians LLC (NPI 1972056752, Las Cruces, NM); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** October 9, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1649512807) · Data from the CMS NPPES public registry.