Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. MICHAEL WALKER MSN, BSN, RN
NPI 1225951338
Registered Nurse in Ann Arbor, MI

Q: What is Michael Walker's NPI number?

The NPI number for Michael Walker is 1225951338. It was assigned to this individual provider in the NPPES registry on August 4, 2026.

Q: What is Michael Walker's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Q: When was this NPI record last updated?

The NPPES record for Michael Walker was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.

Active since August 04, 2026

1540 E HOSPITAL DR, ANN ARBOR, MI 48109(734) 763-6277 Get Directions Write a Review

NPPES record added: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mr. Michael Walker Msn, Bsn, Rn NPPES

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

MR. MICHAEL WALKER MSN, BSN, RN (NPI 1225951338) is an individual registered nurse in Ann Arbor, Michigan, licensed in Michigan (4704292477) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1225951338

Entity TypeIndividualMale

Primary Taxonomy163W00000X

Provider Legal NameMR. MICHAEL WALKERCredential: MSN, BSN, RN

Location Address1540 E HOSPITAL DRAnn Arbor, MI 48109-4000

Mailing Address1540 E Hospital DrAnn Arbor, MI 48109-4000 · (734) 763-6277

Phone(734) 763-6277

Sole ProprietorYes

Enumeration DateAugust 4, 2026

Last NPPES UpdateAugust 7, 2026

NPPES CertifiedAugust 7, 2026

✔ NPI 1225951338 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers

Taxonomy Code163W00000X

License✔ Licensed in MI · 4704292477

Definition

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

1540 E HOSPITAL DR, Ann Arbor, MI 48109

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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.

MICHELLE LYNNE BRISSE OTRL

Occupational Therapist

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (877) 475-6688

TOMMY HU MD

Pediatrics

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (743) 232-5933

ALEXA NORMAN MD

Pediatrics (Pediatric Cardiology)

1540 E HOSPITAL DR, CW 11-701 SPC 4204
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4038

ZACHARY MIKLJA

Student in an Organized Health Care Education/Training Program

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

JUSTIN EDWARD PALMER

Student in an Organized Health Care Education/Training Program

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (708) 341-0440

QUAN D NGUYEN M.D.

Anesthesiology

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 232-8990

ANA ISABEL QUINONES RAMOS MD

Pediatrics (Pediatric Cardiology)

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4038

FANTA WAFER

Social Worker (Clinical)

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 763-6120

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 Walker's NPI number?

The NPI number for Michael Walker is 1225951338. It was assigned to this individual provider in the NPPES registry on August 4, 2026.

Where is Michael Walker located?

Michael Walker practices at 1540 E Hospital Dr, Ann Arbor, MI 48109. The listed phone number is (734) 763-6277.

What is Michael Walker's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Michael Walker was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.