Ashim Aggarwal, M.D.
NPI 1891779286 · Ophthalmology Physician · East Lansing, MI
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashim Aggarwal, M.D. is a Ophthalmology Physician provider in East Lansing, MI (NPI 1891779286).
Provider details
- NPI number
- 1891779286
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4301068962 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
6,006 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Imaging of Retina92134 | 2,403 | $38 |
| Injection of Drug Into Eye67028 | 2,282 | $112 |
| Established Patient Problem Focused Exam of Visual System92012 | 453 | $84 |
| Established Patient Complete Exam of Visual System92014 | 432 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 246 | $87 |
| New Patient Complete Exam of Visual System92004 | 68 | $142 |
| Exam of Visual Field With Extended Testing |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 253 | 71 |
| Latanoprost | 153 | 41 |
| Timolol Maleate | 77 | 27 |
| Prednisolone Acetate | 69 | 60 |
| Brimonidine Tartrate | 55 | 19 |
| Dorzolamide Hcl | 19 | — |
| Cyclosporine | 19 | — |
| Cyclosporinebrand: Cequa |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$738 across 17 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 14915 W Michigan AveMarshall, MI 49068-8504Phone: (517) 574-5850Fax: (517) 574-5852
- 905 E Pickard St Ste 1Mount Pleasant, MI 48858-1010Phone: (517) 574-5850Fax: (517) 574-5852
Registry dates
- Enumerated
- 2005-11-30
- Last updated
- 2025-09-26
- Certified
- 2025-09-26
Frequently asked questions
- What is Ashim Aggarwal's NPI number?
- Ashim Aggarwal's National Provider Identifier (NPI) is 1891779286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashim Aggarwal's specialty?
- Ashim Aggarwal is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Ashim Aggarwal located?
- Ashim Aggarwal's practice location on file with NPPES is 1070 Trowbridge Rd, East Lansing, MI 48823-5220.
- What is Ashim Aggarwal's phone number?
- The practice phone number listed in the NPPES registry for Ashim Aggarwal is (517) 574-5850.
- Does Ashim Aggarwal accept Medicare?
- Ashim Aggarwal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashim Aggarwal's NPI active?
- Yes — Ashim Aggarwal's NPI (1891779286) is active in the NPPES registry as of the last update on 2025-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.