Registry data as of Aug 27, 2026

Mariel Benjamin, MD

Allergy & Immunology Physician · Brighton, MI

Mariel Benjamin, MD is an allergy & immunology physician with a practice address in Brighton, Michigan, and NPI 1477895373, issued on Mar 19, 2013. Check the license (Michigan 4301114420, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477895373
Name
Mariel Benjamin
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License numbers
4301114420 MI
036.140028 IL
Self-reported in NPPES; status is on the state search
Practice location
7500 Challis RD, Brighton, MI 48116
Phone
(734) 647-5940
Enumerated
Mar 19, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 7500 Challis RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eyad Abu-Isa, MDStudent in an Organized Health Care Education/Training Program1396861936
  2. Kiley Bastien, PA-CMedical Physician Assistant1578913372
  3. Lizabeth Binns, PA-CPhysician Assistant1386721520
  4. Jillian Budzyn, PA-CSurgical Physician Assistant1942646872
  5. Anne Cameron, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1629267042
  6. Theresa Cooney, MDOphthalmology Physician1669480356

Verify Mariel Benjamin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301114420
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

54% fewer Medicare Part D claims than the average allergy & immunology physician in 2024

362 Medicare Part D claims for 75 beneficiaries, against an average of 788 among the 2,397 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.

  1. Mariel Benjamin362
  2. Specialty average788

Most prescribed

  1. Hizentra86 claims
  2. Azelastine Hcl29 claims
  3. Xolair27 claims
  4. Fluticasone Propionate23 claims
  5. Arnuity Ellipta17 claims
  6. Gammagard Liquid16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital or facility affiliation

  1. Regents OF The University OF MichiganAnn Arbor, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Allergy & Immunology Physician providers in Michigan

There are 101 allergy & immunology physician records in Michigan.

Other allergy & immunology physician records in Michigan

  1. Cem Akin, MDNorthville, MI1629167549
  2. Michel Alkhalil, MDTroy, MI1518062942
  3. Suresh Anne, MDFlint, MI1336101443
  4. Annie Arrey Mensah, MDFarmington Hills, MI1235174996
  5. Ramesh Avula, M.D.Lansing, MI1205867967
  6. Abdul Bahrainwala, M.D.Royal Oak, MI1265465769
  7. James Baldwin, MDAnn Arbor, MI1508955428
  8. Ronda Barak-Norris, MDFarmington Hills, MI1851372304
  9. Malathi Bathija, M.D.Novi, MI1124085436
  10. Joel Beene, M.D.Flint, MI1770538803

Common questions

What is Mariel Benjamin, MD's NPI number?

Mariel Benjamin, MD's National Provider Identifier (NPI) is 1477895373, issued on Mar 19, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Mariel Benjamin, MD located?

The NPPES record lists a practice address at 7500 Challis RD, Brighton, MI, 48116. Phone: (734) 647-5940. Providers update this record themselves, so call before visiting.

How can I verify Mariel Benjamin, MD's license?

NPPES lists Michigan license number 4301114420, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mariel Benjamin, MD prescribe under Medicare Part D?

In 2024, Mariel Benjamin, MD had 362 Medicare Part D claims for 75 beneficiaries; the average among allergy & immunology physician prescribers was 788. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.