Peter S. Hahn, M.D.
Internal Medicine Physician · Uncasville, CT
Peter S. Hahn, M.D. is an internal medicine physician with a practice address in Uncasville, Connecticut, and NPI 1184690703, issued on Feb 24, 2006. Check the license (Connecticut 039899, as entered in NPPES) on the Connecticut Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Peter S. Hahn
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 039899 CT
Self-reported in NPPES; status is on the state search - Practice location
- 2020 Norwich New London Tpke Ste 12, Uncasville, CT 06382
- Phone
- (860) 892-8488
- Enumerated
- Feb 24, 2006
- Record last updated
- Mar 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (860) 892-8499
- Medicare enrollment
- Enrolled (PECOS I20190612002936); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 1998
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Verify Peter S. Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 039899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Peter S. Hahn among 2,623 internal medicine physician records in Connecticut
Peter S. Hahn, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileNo · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1998 · median 2004 among the 1,646 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 internal medicine physician records list a practice address in Uncasville
They are 2 of the 137 NPPES records with a practice address in Uncasville, and 2,623 internal medicine physician records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,623 in Connecticut → Every provider in Uncasville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Peggy Fujimura, MDUncasville, CT 063821588754188
- Louis Iovino, D.O.Pawcatuck, CT 063791396825097
- Candi McCulloch, MDWaterford, CT 063851295099372
- Benjamin Newton, M.D.Waterford, CT 063851265520191
- Job Sandoval, MDPawcatuck, CT 063791790815157
- Monika Zagaja, M.D.Waterford, CT 063851942542337
- David Burchenal, MDStonington, CT 063781922050632
- Wagdy Habashy, MDPlainfield, CT 063741508875451
Common questions
What is Peter S. Hahn, M.D.'s NPI number?
Peter S. Hahn, M.D.'s National Provider Identifier (NPI) is 1184690703, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Peter S. Hahn, M.D. located?
The NPPES record lists a practice address at 2020 Norwich New London Tpke Ste 12, Uncasville, CT, 06382. Phone: (860) 892-8488. Providers update this record themselves, so call before visiting.
How can I verify Peter S. Hahn, M.D.'s license?
NPPES lists Connecticut license number 039899, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.