Mariel Benjamin, MD
NPI 1477895373 · Allergy & Immunology Physician · Brighton, MI
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariel Benjamin, MD is a Allergy & Immunology Physician provider in Brighton, MI (NPI 1477895373).
Provider details
- NPI number
- 1477895373
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.140028 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
160 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 51 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 27 | $127 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $97 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 15 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Immun Glob G(igg)/Pro/Iga 0-50brand: Hizentra | 86 | — |
| Azelastine Hcl | 29 | 13 |
| Omalizumabbrand: Xolair | 27 | — |
| Fluticasone Propionate | 23 | — |
| Fluticasone Furoatebrand: Arnuity Ellipta | 17 | — |
| Immun Glob G(igg)/Gly/Iga Ov50brand: Gammagard Liquid | 16 | — |
| Epinephrine | 14 | — |
Practice location
Mailing address
Additional practice locations (3)
- 675 N Saint Clair St18-250Chicago, IL 60611-5975Phone: (312) 695-8624Fax: (312) 695-6070
- 325 Briarwood CircleBuilding 5Ann Arbor, MI 48108Phone: (734) 647-9000
- 7500 Challis Rd2nd FloorBrighton, MI 48116-9416Phone: (810) 263-4000
Registry dates
- Enumerated
- 2013-03-19
- Last updated
- 2025-08-15
- Certified
- 2025-08-15
Frequently asked questions
- What is Mariel Benjamin's NPI number?
- Mariel Benjamin's National Provider Identifier (NPI) is 1477895373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariel Benjamin's specialty?
- Mariel Benjamin is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariel Benjamin located?
- Mariel Benjamin's practice location on file with NPPES is 7500 Challis Rd, Brighton, MI 48116-9416.
- What is Mariel Benjamin's phone number?
- The practice phone number listed in the NPPES registry for Mariel Benjamin is (734) 647-5940.
- Does Mariel Benjamin accept Medicare?
- Mariel Benjamin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariel Benjamin's NPI active?
- Yes — Mariel Benjamin's NPI (1477895373) is active in the NPPES registry as of the last update on 2025-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.