Michael Bergman, MD
NPI 1780694331 · Internal Medicine Physician · Hamden, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Bergman, MD is a Internal Medicine Physician provider in Hamden, CT (NPI 1780694331).
Provider details
- NPI number
- 1780694331
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 027561 (CT)
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
566 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 321 | $78 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 180 | $130 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 65 | $6 |
Typical Medicare-allowed amounts for these services range $6–$130 (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 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 93 | 14 |
| Furosemide | 91 | 14 |
| Quetiapine Fumarate | 88 | — |
| Sertraline Hcl | 82 | 11 |
| Metoprolol Succinate | 77 | — |
| Atorvastatin Calcium | 71 | 13 |
| Trazodone Hcl | 64 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-08
- Last updated
- 2013-08-07
Frequently asked questions
- What is Michael Bergman's NPI number?
- Michael Bergman's National Provider Identifier (NPI) is 1780694331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Bergman's specialty?
- Michael Bergman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Bergman located?
- Michael Bergman's practice location on file with NPPES is 215 Sherman Ave, Hamden, CT 06518-2125.
- What is Michael Bergman's phone number?
- The practice phone number listed in the NPPES registry for Michael Bergman is (203) 288-6800.
- Does Michael Bergman accept Medicare?
- Michael Bergman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Bergman's NPI active?
- Yes — Michael Bergman's NPI (1780694331) is active in the NPPES registry as of the last update on 2013-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.