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WILLIAM RIVERS
NPI 1245418490
Physical Medicine & Rehabilitation - Pain Medicine in Albuquerque, NM

Active since February 08, 2008PECOS Enrolled
1 UNIVERSITY OF NEW MEXICO, MSC10 5615, ALBUQUERQUE, NM 87131(505) 272-3401 Get Directions Write a Review

NPPES record last updated: March 22, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About William Rivers NPPES

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

WILLIAM RIVERS (NPI 1245418490) is an individual pain medicine provider in Albuquerque, New Mexico, licensed in New Mexico (A-1668-12) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245418490
Entity TypeIndividualMale
Primary Taxonomy2081P2900X
Provider Legal NameWILLIAM RIVERS
Location Address1 UNIVERSITY OF NEW MEXICO, MSC10 5615Albuquerque, NM 87131-0001
Mailing Address933 Bradbury Dr Se, Suite 2222Albuquerque, NM 87106-4374 · (505) 272-3120
Phone(505) 272-3401
Sole ProprietorNo
Enumeration DateFebruary 8, 2008
Last NPPES UpdateMarch 22, 2017
✔ NPI 1245418490 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysical Medicine & Rehabilitation · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2081P2900X
License✔ Licensed in NM · A-1668-12
Definition
A physician who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic or cancer pain in both hospital and ambulatory settings. Patient care needs may also be coordinated with other specialists.
Also ListedPhysical Medicine & RehabilitationTaxonomy 208100000X · License 5101017418 (MI), 125053960 (IL)
1 UNIVERSITY OF NEW MEXICO, Albuquerque, NM 87131
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Rivers 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 William Rivers reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Unm Medical Group Inc
0.4 mi
Multi-Specialty
2211 LOMAS NE
Albuquerque, NM 87106
  • Reassigned Medicare billing, New Mexico enrollment
  • 2,105 clinicians in this Medicare group
NPI 1831218627 (505) 272-3303

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

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.

DR. JOSHUA OKORO-SOKOH MD
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-2345
SHREYA NUGURI
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-4161
DEVIN ALEXANDER MAEZ MD
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-4661
DR. KATHRYN ANNE CERAMI DO
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (979) 492-0011
RAEHANNA ABDULNASSER AHMED DO
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-8244
MICHAEL JOSHUA FOX DO
Radiology (Diagnostic Radiology)
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-0932
JESSICA MCALLISTER MD
Student in an Organized Health Care Education/Training Program
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-5580
FRANCISCO JAIME
Anesthesiology
1 UNIVERSITY OF NEW MEXICO
ALBUQUERQUE, NM 87131
Bernalillo County (505) 272-2610

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 Rivers's NPI number?

The NPI number for William Rivers is 1245418490. It was assigned to this individual provider in the NPPES registry on February 8, 2008.

Where is William Rivers located?

William Rivers practices at 1 University Of New Mexico Msc10 5615, Albuquerque, NM 87131. The listed phone number is (505) 272-3401.

What is William Rivers's specialty?

The primary specialty registered for this NPI is Physical Medicine & Rehabilitation, specializing in Pain Medicine, with taxonomy code 2081P2900X.

Is William Rivers enrolled in Medicare?

Yes. William Rivers is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Rivers's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Rivers reassigns Medicare benefits to Unm Medical Group Inc (Albuquerque, NM). 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 William Rivers'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 William Rivers was last updated on March 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.