Leigh Nathan, MD
Psychiatry Physician · Hartford, CT
Leigh Nathan, MD is a psychiatry physician with a practice address in Hartford, Connecticut, and NPI 1639496623, issued on Apr 29, 2010. Check the license (Connecticut 052945, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Leigh Nathan
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 052945 CT
DR.0052575 CO
Self-reported in NPPES; status is on the state search - Practice location
- 80 Seymour St, Hartford, CT 06102
- Phone
- (860) 972-2629
- Enumerated
- Apr 29, 2010
- Record last updated
- Sep 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20151002001857); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 80 Seymour St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rimanatou Adamou-DodoFamily Nurse Practitioner1588532980
- Hassana Addai-Boateng, MDInternal Medicine Physician1477226777
- Santosh Adhikari, MDHospitalist Physician1487331450
- Matthew AgsaludStudent in an Organized Health Care Education/Training Program1053025676
Verify Leigh Nathan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 052945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospitals and group practices
- Hartford HospitalHartford, CT · Acute Care Hospitals4 of 5 stars
- The William W Backus HospitalNorwich, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Leigh Nathan among 1,174 psychiatry physician records in Connecticut
Leigh Nathan, MD is one of 1,174 psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2010 · median 2003 among the 503 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
130 psychiatry physician records list a practice address in Hartford
They are 130 of the 6,317 NPPES records with a practice address in Hartford, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Hartford → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Helen Bradshaw, MDHartford, CT 061021851759005
- Louis Forouhar-Graff, M.D.Hartford, CT 061021760794820
- Miriam Friedlander, MDHartford, CT 061021215908009
- Alfred Herzog, M.D.Hartford, CT 061021003915950
- Clifford Kye, D.O.Hartford, CT 061021629457072
- Shilpa Lad, M.D.Hartford, CT 061021740667492
- Monica Nakhla-O'Donovan, DOHartford, CT 061021245728088
- Hannah Roggenkamp, M.D.Hartford, CT 061021699041376
Common questions
What is Leigh Nathan, MD's NPI number?
Leigh Nathan, MD's National Provider Identifier (NPI) is 1639496623, issued on Apr 29, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Leigh Nathan, MD located?
The NPPES record lists a practice address at 80 Seymour St, Hartford, CT, 06102. Phone: (860) 972-2629. Providers update this record themselves, so call before visiting.
How can I verify Leigh Nathan, MD's license?
NPPES lists Connecticut license number 052945, 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.
What is Leigh Nathan, MD's MIPS final score?
The 2023 MIPS final score is 86.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.