Jonathan Herbst, M.D.
NPI 1538188602 · Internal Medicine Physician · Port Chester, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Herbst, M.D. is a Internal Medicine Physician provider in Port Chester, NY (NPI 1538188602).
Provider details
- NPI number
- 1538188602
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 134231 (NY)
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
19 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
1,607 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 | 527 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 290 | $7 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 159 | $45 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 66 | $17 |
| Comprehensive Hearing and Speech Recognition Test92557 | 54 | $41 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 140 | 42 |
| Lisinopril | 79 | 26 |
| Tirzepatidebrand: Mounjaro | 69 | 12 |
| Icosapent Ethylbrand: Vascepa | 67 | 20 |
| Zolpidem Tartrate | 66 | 11 |
| Amlodipine Besylate | 45 | 15 |
| Pioglitazone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,694 across 88 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
- 2006-07-19
- Last updated
- 2010-06-24
Frequently asked questions
- What is Jonathan Herbst's NPI number?
- Jonathan Herbst's National Provider Identifier (NPI) is 1538188602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Herbst's specialty?
- Jonathan Herbst is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Herbst located?
- Jonathan Herbst's practice location on file with NPPES is 388 Westchester Ave, Port Chester, NY 10573-3650.
- What is Jonathan Herbst's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Herbst is (914) 937-3999.
- Does Jonathan Herbst accept Medicare?
- Jonathan Herbst is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Herbst's NPI active?
- Yes — Jonathan Herbst's NPI (1538188602) is active in the NPPES registry as of the last update on 2010-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.