Michael Korchak, M.D.
NPI 1750647186 · Cornea and External Diseases Specialist Physician · Upper Marlboro, MD
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Korchak, M.D. is a Cornea and External Diseases Specialist Physician provider in Upper Marlboro, MD (NPI 1750647186).
Provider details
- NPI number
- 1750647186
- Entity type
- Individual
- Primary specialty
- Cornea and External Diseases Specialist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 283240 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 690 | 263 |
| Prednisolone Acetate | 359 | 208 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 210 | 71 |
| Cyclosporine | 199 | 65 |
| Timolol Maleate | 183 | 73 |
| Moxifloxacin Hclbrand: Moxifloxacin | 161 | 117 |
| Brimonidine Tartrate | 151 | 63 |
Practice location
Mailing address
Additional practice locations (1)
- 1305 York AveFloor 11New York, NY 10021-5663Phone: (646) 962-5458Fax: (646) 962-0609
Registry dates
- Enumerated
- 2012-04-10
- Last updated
- 2021-06-23
- Certified
- 2021-06-23
Frequently asked questions
- What is Michael Korchak's NPI number?
- Michael Korchak's National Provider Identifier (NPI) is 1750647186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Korchak's specialty?
- Michael Korchak is listed in the NPPES registry with a primary specialty of Cornea and External Diseases Specialist Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Korchak located?
- Michael Korchak's practice location on file with NPPES is 1221 Mercantile Ln, Upper Marlboro, MD 20774-5374.
- What is Michael Korchak's phone number?
- The practice phone number listed in the NPPES registry for Michael Korchak is (301) 618-5500.
- Does Michael Korchak accept Medicare?
- Michael Korchak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Korchak's NPI active?
- Yes — Michael Korchak's NPI (1750647186) is active in the NPPES registry as of the last update on 2021-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.