Stephen Kronenberg, M.D.
NPI 1639130529 · Ophthalmology Physician · New York, NY
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Kronenberg, M.D. is a Ophthalmology Physician provider in New York, NY (NPI 1639130529).
Provider details
- NPI number
- 1639130529
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 045046 (CT)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
505 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) |
|---|---|---|
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 137 | $192 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 105 | $24 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 105 | $79 |
| Established Patient Problem Focused Exam of Visual System92012 | 88 | $54 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 50 | $114 |
| New Patient Problem Focused Exam of Visual System92002 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 49 | 15 |
| Bimatoprostbrand: Lumigan | 36 | 11 |
| Brimonidine Tartrate | 28 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 25 | — |
| Brinzolamide | 24 | — |
| Dorzolamide Hcl | 21 | — |
| Timolol Maleate | 17 | — |
| Travoprost | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-30
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Stephen Kronenberg's NPI number?
- Stephen Kronenberg's National Provider Identifier (NPI) is 1639130529, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Kronenberg's specialty?
- Stephen Kronenberg is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Kronenberg located?
- Stephen Kronenberg's practice location on file with NPPES is 605 Park Ave Ste 1b, New York, NY 10065-7016.
- What is Stephen Kronenberg's phone number?
- The practice phone number listed in the NPPES registry for Stephen Kronenberg is (212) 737-0250.
- Does Stephen Kronenberg accept Medicare?
- Stephen Kronenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Kronenberg's NPI active?
- Yes — Stephen Kronenberg's NPI (1639130529) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.