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MICHAEL WILLIAMS MD
NPI 1780262543
Internal Medicine in Albuquerque, NM

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment
1 UNIVERSTIY OF NEW MEXICO, MSC 10 5550, ALBUQUERQUE, NM 87131(505) 272-6331(505) 272-0475 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 15, 2026, Dec 12, 2024, Mar 31, 2021 (3 updates tracked since 2021).

About Michael Williams Md NPPES

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

MICHAEL WILLIAMS MD (NPI 1780262543) is an individual internal medicine provider in Albuquerque, New Mexico, licensed in New Mexico (MD2024-0522) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Unm Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1780262543
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL WILLIAMSCredential: MD
Location Address1 UNIVERSTIY OF NEW MEXICO, MSC 10 5550Albuquerque, NM 87131-0001
Mailing Address800 Bradbury Dr Se Ste 116Albuquerque, NM 87106-4310 · (505) 272-1476
Phone(505) 272-6331
Fax(505) 272-0475
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateMarch 31, 2021
Last NPPES UpdateJuly 15, 20263 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1780262543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NM · MD2024-0522
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1 UNIVERSTIY 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 and accepts Medicare assignment

Michael Williams Md 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.

PECOS PAC ID4981132990
PECOS Enrollment IDI20250103001711
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 Michael Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Unm Medical Group Inc
7.0 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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Unm Hospital

Acute Care Hospitals · Albuquerque, NM
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number320001
Location2211 Lomas Boulevard NEAlbuquerque, NM 87106 · Bernalillo County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 87131 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
$126.21 typical visit price
range $54.26 – $166.80
Typical copayment $31.55 (range $13.56 – $41.70)
Most-billed visit code 99204
Established Patient
$96.38 typical visit price
range $17.00 – $135.35
Typical copayment $24.09 (range $4.25 – $33.83)
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.

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 Michael Williams's NPI number?

The NPI number for Michael Williams is 1780262543. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Michael Williams located?

Michael Williams practices at 1 Universtiy Of New Mexico Msc 10 5550, Albuquerque, NM 87131. The listed phone number is (505) 272-6331.

What is Michael Williams's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Williams enrolled in Medicare?

Yes. Michael Williams 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 organization bills Medicare for Michael Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Williams 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 Michael Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Williams affiliated with any hospitals?

According to CMS data, Michael Williams is affiliated with Unm Hospital.

When was this NPI record last updated?

The NPPES record for Michael Williams was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.