Robert Herman, MD
NPI 1902867351 · Adult Medicine Physician · Groton, CT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Herman, MD is a Adult Medicine Physician provider in Groton, CT (NPI 1902867351).
Provider details
- NPI number
- 1902867351
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 82823 (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
66 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 19 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 16 | $82 |
Typical Medicare-allowed amounts for these services range $82–$153 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 70 | 38 |
| Levothyroxine Sodium | 45 | 25 |
| Amlodipine Besylate | 41 | 22 |
| Rosuvastatin Calcium | 37 | 16 |
| Lisinopril | 34 | 17 |
| Gabapentin | 27 | 15 |
| Montelukast Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2025-08-31
- Certified
- 2025-08-31
Frequently asked questions
- What is Robert Herman's NPI number?
- Robert Herman's National Provider Identifier (NPI) is 1902867351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Herman's specialty?
- Robert Herman is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Herman located?
- Robert Herman's practice location on file with NPPES is 85 Poheganut Dr, Groton, CT 06340-3252.
- What is Robert Herman's phone number?
- The practice phone number listed in the NPPES registry for Robert Herman is (440) 255-4455.
- Does Robert Herman accept Medicare?
- Robert Herman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Herman's NPI active?
- Yes — Robert Herman's NPI (1902867351) is active in the NPPES registry as of the last update on 2025-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.