DR. CLEMENS BERGWITZ (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1518957067

DR. CLEMENS BERGWITZ (MD) is a healthcare provider. based in New haven, Connecticut. specializing in ENDOCRINOLOGY. They hold the professional credentials MD. They hold a License No. 52826 (CT). The NPI Number for DR. CLEMENS BERGWITZ (MD) is 1518957067

Main info

Male
33 Years Of Experience
Accepts Medicare Assignment
Name
DR. CLEMENS BERGWITZ (MD)
NPI
1518957067
Phone
(617) 726-8720
Address
1 GILBERT ST
Enumeration Date
26 October 2005
Last Update Date
25 November 2019

Doctor Profile

Medical School Name
OTHER
Secondary Phone
2037854638
Graduation Year
1993 (33 years ago)
PAC ID
9739192980
Group Practice PAC ID
9436061736
Professional Enrollment ID
I20141104002613
Address ID
CT065103220NE20XXXSTXX300
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

222 ENDOCRINOLOGY in CT

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Provider Addresses for DR. CLEMENS BERGWITZ (MD)

  • 1, Gilbert Street, The Hill, New Haven, South Central Connecticut Planning Region, Connecticut, 06519, United States

    ANLYAN CENTER, TAC S117

    NEW HAVEN, CT 065191621

    Phone: (617) 726-8720

    Type: Mailing

  • Smilow Cancer Hospital, 35, Park Street, New Haven, New Haven County, Connecticut, 06511, United States

    YALE NEW HAVEN HOSPITAL, SMILOW CANCER CENTER

    NEW HAVEN, CT 065191110

    Phone: (203) 200-3636

    Fax: (203) 200-2159

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 20 Open Payments records for all available years, with a total value of $10,822.

Total Amount is formed as General ($10,822) + Research ($0) + Ownership ($0) = $10,822.

Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Alexion Pharmaceuticals, Inc. ($6,164).

Total Amount

$10,822

General + Research + Ownership

Payments

20

Total payment records

General Amount

$10,822

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-14

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-11-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20141104002613IEndocrinologyCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
77080Dxa bone density measurement of hip, pelvis, spine659658$0
99214Established patient office or other outpatient visit, 30-39 minutes230198$0
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes5613$0
77081Dxa bone density measurement of forearm, finger, hand, or foot4848$0
99205New patient office or other outpatient visit, 60-74 minutes4747$0
View full utilization report →

Insurance plans in this area (ZIP 06519)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9436061736View full group profile
NameSpecialtyState
Interventional Cardiology, Cardiovascular Disease (Cardiology)CT
H E M A T O L O G Y/ O N C O L O G YCT
Internal Medicine, NephrologySC
-CT
-NC
Internal MedicineCT
-CT
Cardiac SurgeryCT
-CT
-CT

Reviews

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Frequently asked questions

Does DR. CLEMENS BERGWITZ (MD) have a public NPI I can cite?
Public records show DR. CLEMENS BERGWITZ (MD) under NPI 1518957067.
Is DR. CLEMENS BERGWITZ (MD)'s NPI status active today?
Active status means DR. CLEMENS BERGWITZ (MD)'s NPI record is not deactivated in the public file.
What does the directory say DR. CLEMENS BERGWITZ (MD) does?
Insurance directories may phrase it differently, but here DR. CLEMENS BERGWITZ (MD) maps to Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. CLEMENS BERGWITZ (MD)?
The directory associates DR. CLEMENS BERGWITZ (MD) with New Haven, Connecticut. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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