Clemens Bergwitz, MD
NPI 1518957067 · Endocrinology, Diabetes & Metabolism Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clemens Bergwitz, MD is a Endocrinology, Diabetes & Metabolism Physician provider in New Haven, CT (NPI 1518957067).
Provider details
- NPI number
- 1518957067
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 52826 (CT)
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
20 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
1,002 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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 628 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 217 | $106 |
| Dxa Bone Density Measurement of Forearm, Finger, Hand, Or Foot77081 | 54 | $10 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 53 | $186 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $100 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 413 | 89 |
| Levothyroxine Sodium | 258 | 54 |
| Risedronate Sodium | 57 | — |
| Calcitriol | 43 | — |
| Hydrochlorothiazide | 41 | — |
| Levothyroxine Sodiumbrand: Synthroid | 40 | — |
| Cinacalcet Hcl | 36 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,396 across 12 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
- 2005-10-26
- Last updated
- 2019-11-25
Frequently asked questions
- What is Clemens Bergwitz's NPI number?
- Clemens Bergwitz's National Provider Identifier (NPI) is 1518957067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clemens Bergwitz's specialty?
- Clemens Bergwitz is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Clemens Bergwitz located?
- Clemens Bergwitz's practice location on file with NPPES is 35 Park St, New Haven, CT 06519-1110.
- What is Clemens Bergwitz's phone number?
- The practice phone number listed in the NPPES registry for Clemens Bergwitz is (203) 200-3636.
- Does Clemens Bergwitz accept Medicare?
- Clemens Bergwitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clemens Bergwitz's NPI active?
- Yes — Clemens Bergwitz's NPI (1518957067) is active in the NPPES registry as of the last update on 2019-11-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.