Michael Hopen, M.D.
NPI 1689993347 · Ophthalmology Physician · Carmel, IN
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hopen, M.D. is a Ophthalmology Physician provider in Carmel, IN (NPI 1689993347).
Provider details
- NPI number
- 1689993347
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01074351A (IN)
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,867 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 859 | $88 |
| Imaging of Optic Nerve92133 | 371 | $35 |
| Exam of Visual Field With Extended Testing92083 | 247 | $61 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 159 | $42 |
| Established Patient Complete Exam of Visual System92014 | 156 | $121 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 150 | $436 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 1,096 | 328 |
| Latanoprost | 1,050 | 368 |
| Prednisolone Acetate | 877 | 404 |
| Ketorolac Tromethamine | 605 | 351 |
| Brimonidine Tartrate | 464 | 147 |
| Timolol Maleate | 378 | 142 |
| Atropine Sulfate | 271 | 205 |
| Netarsudil Mesylat/Latanoprost |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,416 across 69 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
Registry dates
- Enumerated
- 2010-05-20
- Last updated
- 2024-12-27
- Certified
- 2024-12-27
Frequently asked questions
- What is Michael Hopen's NPI number?
- Michael Hopen's National Provider Identifier (NPI) is 1689993347, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hopen's specialty?
- Michael Hopen is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hopen located?
- Michael Hopen's practice location on file with NPPES is 1320 City Center Dr Ste 150, Carmel, IN 46032-3104.
- What is Michael Hopen's phone number?
- The practice phone number listed in the NPPES registry for Michael Hopen is (317) 846-4223.
- Does Michael Hopen accept Medicare?
- Michael Hopen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hopen's NPI active?
- Yes — Michael Hopen's NPI (1689993347) is active in the NPPES registry as of the last update on 2024-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.