Aaron N. Tessler, MD
Psychiatry Physician · Guilford, CT
Aaron N. Tessler, MD is a psychiatry physician with a practice address in Guilford, Connecticut, and NPI 1386750735, issued on Aug 21, 2006. Check the license (Connecticut 16145, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Aaron N. Tessler
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 16145 CT
Self-reported in NPPES; status is on the state search - Practice location
- 652 Boston Post RD, Guilford, CT 06437
- Phone
- (203) 453-4028
- Enumerated
- Aug 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 453-6530
- Medicaid ID
- 1161454 CT
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 652 Boston Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Aaron N. Tessler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 16145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average psychiatry physician in 2024
16 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Aaron N. Tessler among 1,174 psychiatry physician records in Connecticut
Aaron N. Tessler, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2007 · 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).
9 psychiatry physician records list a practice address in Guilford
They are 9 of the 504 NPPES records with a practice address in Guilford, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in Guilford → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Edward Allen, M.D.Guilford, CT 064371700967601
- Cynthia Conrad, MDGuilford, CT 064371871668186
- Albert Koegler, M.D.Guilford, CT 064371073642393
- Jerome Meyer, M.D.Guilford, CT 064371215275276
- Peter Mohrer, M.D.Guilford, CT 064371205800463
- Shahla Mohsenin, M.D.Guilford, CT 064371962562702
- Vanessa Myles, M.D.Guilford, CT 064371215290994
- Richard Rubin, MDGuilford, CT 064371689753683
Common questions
What is Aaron N. Tessler, MD's NPI number?
Aaron N. Tessler, MD's National Provider Identifier (NPI) is 1386750735, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Aaron N. Tessler, MD located?
The NPPES record lists a practice address at 652 Boston Post RD, Guilford, CT, 06437. Phone: (203) 453-4028. Providers update this record themselves, so call before visiting.
How can I verify Aaron N. Tessler, MD's license?
NPPES lists Connecticut license number 16145, 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.
How much does Aaron N. Tessler, MD prescribe under Medicare Part D?
In 2024, Aaron N. Tessler, MD had 16 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.