Jonathan Greenberg, MD
NPI 1801989025 · Internal Medicine Physician · Eastchester, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Greenberg, MD is a Internal Medicine Physician provider in Eastchester, NY (NPI 1801989025).
Provider details
- NPI number
- 1801989025
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 163602 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
288 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 141 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $153 |
| Automated Urinalysis Test81003 | 25 | $2 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 19 | $135 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 18 | $18 |
Typical Medicare-allowed amounts for these services range $2–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Azelastine Hcl | 166 | 108 |
| Prednisone | 126 | 122 |
| Doxycycline Hyclate | 67 | 67 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 63 | 47 |
| Ibuprofen | 61 | 61 |
| Fluticasone Propionate | 47 | 39 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 42 | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Jonathan Greenberg's NPI number?
- Jonathan Greenberg's National Provider Identifier (NPI) is 1801989025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Greenberg's specialty?
- Jonathan Greenberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Greenberg located?
- Jonathan Greenberg's practice location on file with NPPES is Mmg - Eastchester, Eastchester, NY 10709.
- What is Jonathan Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Greenberg is (914) 395-1530.
- Does Jonathan Greenberg accept Medicare?
- Jonathan Greenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Greenberg's NPI active?
- Yes — Jonathan Greenberg's NPI (1801989025) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.