Michael Hennessey, M.D.
NPI 1912994393 · Ophthalmology Physician · Elmwood Park, IL
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hennessey, M.D. is a Ophthalmology Physician provider in Elmwood Park, IL (NPI 1912994393).
Provider details
- NPI number
- 1912994393
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036090346 (IL)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,046 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 870 | $134 |
| Imaging of Optic Nerve92133 | 480 | $36 |
| Exam of Visual Field With Extended Testing92083 | 341 | $66 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 339 | $95 |
| Photography of the Retina92250 | 238 | $38 |
| Imaging of Retina92134 | 167 | $42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,067 | 240 |
| Timolol Maleate | 312 | 90 |
| Brimonidine Tartrate | 260 | 53 |
| Prednisolone Acetate | 246 | 138 |
| Ofloxacin | 213 | 135 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 197 | 45 |
| Ketorolac Tromethamine | 197 | 127 |
| Bimatoprostbrand: Lumigan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$298 across 15 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
- 2005-09-30
- Last updated
- 2023-04-05
- Certified
- 2023-04-05
Frequently asked questions
- What is Michael Hennessey's NPI number?
- Michael Hennessey's National Provider Identifier (NPI) is 1912994393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hennessey's specialty?
- Michael Hennessey is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hennessey located?
- Michael Hennessey's practice location on file with NPPES is 7638 W North Ave, Elmwood Park, IL 60707-4157.
- What is Michael Hennessey's phone number?
- The practice phone number listed in the NPPES registry for Michael Hennessey is (708) 452-4257.
- Does Michael Hennessey accept Medicare?
- Michael Hennessey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hennessey's NPI active?
- Yes — Michael Hennessey's NPI (1912994393) is active in the NPPES registry as of the last update on 2023-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.