WALLY SHERMAN MAHAR M.D.
NPI 1790730497
General Practice in Highland Park, MI

Q: What is Wally Mahar's NPI number?

The NPI number for Wally Mahar is 1790730497. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Q: What is Wally Mahar's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: When was this NPI record last updated?

The NPPES record for Wally Mahar was last updated on December 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 23, 2006PECOS Enrolled

21 MIDLAND ST, HIGHLAND PARK, MI 48203(248) 698-2094(877) 218-9387 Get Directions Write a Review

NPPES record last updated: December 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Wally Sherman Mahar M.d. NPPES

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

WALLY SHERMAN MAHAR M.D. (NPI 1790730497) is an individual general practice provider in Highland Park, Michigan, licensed in Michigan (4301030215) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790730497

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameWALLY SHERMAN MAHARCredential: M.D.

Location Address21 MIDLAND STHighland Park, MI 48203-3727

Mailing Address21 Midland StHighland Park, MI 48203-3727 · (586) 556-1997 · Fax (313) 731-7025

Phone(248) 698-2094

Fax(877) 218-9387

Sole ProprietorYes

Enumeration DateMay 23, 2006

Last NPPES UpdateDecember 21, 2023

✔ NPI 1790730497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in MI · 4301030215

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

21 MIDLAND ST, Highland Park, MI 48203

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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)

Wally Sherman Mahar M.d. 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 Wally Mahar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Wally S. Mahar, M.D. P.L.L.C.

Same address

Family Medicine

21 MIDLAND ST
Highland Park, MI 48203

Reassigned Medicare billing, Michigan enrollment
Medicare enrollment name: Wally S Mahar MD PLLC

NPI 1578862645 (586) 556-1997

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 5

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.

Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic G2012

A virtual check-in is a short online or phone consultation with your healthcare provider. It's for established patients and isn't related to a recent appointment. It's a convenient way to discuss health concerns without needing to visit the office in person.

367 services34 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

249 services34 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

160 services28 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

50 services21 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

22 services15 patients

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TKM, INC

Pain Medicine (Pain Medicine)

21 MIDLAND ST
HIGHLAND PARK, MI 48203

Wayne County (313) 221-6939

WALLY S. MAHAR, M.D. P.L.L.C.

Family Medicine

21 MIDLAND ST
HIGHLAND PARK, MI 48203

Wayne County (586) 556-1997

ANT HILL, INC.

Family Medicine (Adult Medicine)

21 MIDLAND ST
HIGHLAND PARK, MI 48203

Wayne County (313) 779-5046

ANT HILL, INC.

Family Medicine

21 MIDLAND ST
HIGHLAND PARK, MI 48203

Wayne County (313) 779-5046

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 Wally Mahar's NPI number?

The NPI number for Wally Mahar is 1790730497. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Wally Mahar located?

Wally Mahar practices at 21 Midland St, Highland Park, MI 48203. The listed phone number is (248) 698-2094.

What is Wally Mahar's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Wally Mahar enrolled in Medicare?

Yes. Wally Mahar is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Wally Mahar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wally Mahar reassigns Medicare benefits to Wally S. Mahar, M.D. P.L.L.C. (Highland Park, MI). 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 Wally Mahar'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 Wally Mahar was last updated on December 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.