Gretchen L. Hermes, M.D./PHD./MTS
Psychiatry Physician · New London, CT
Gretchen L. Hermes, M.D./PHD./MTS is a psychiatry physician with a practice address in New London, Connecticut, and NPI 1710161948, issued on Dec 24, 2007. Check the license (Connecticut 048150, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gretchen L. Hermes
- Credential
- M.D./PHD./MTS
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 048150 CT
Self-reported in NPPES; status is on the state search - Practice location
- 365 Montauk Ave, New London, CT 06320
- Phone
- (203) 688-0715
- Enumerated
- Dec 24, 2007
- Record last updated
- Jul 29, 2026
- Medicaid IDs
- 008003745 CT
004041000 CT - Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,174 in Connecticut → Look up another NPI →
Also registered at 365 Montauk Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gada Abdelhafiz, MDInternal Medicine Physician1467649558
- Mariam Aboukar, D.O.Psychiatry Physician1013448620
- Tyler Ackley, PHARMDPharmacist1326632514
- Luke Ackroyd, CRNACertified Registered Nurse Anesthetist1982640348
- Theresa Adams, M.D.Emergency Medicine Physician1457678138
- Syeda Kanza AfzalInternal Medicine Physician1043943046
Verify Gretchen L. Hermes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 048150Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average psychiatry physician in 2024
551 Medicare Part D claims for 50 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Clonazepam48 claims
- Dextroamphetamine-Amphetamine35 claims
- Aripiprazole30 claims
- Alprazolam29 claims
- Buprenorphine-Naloxone28 claims
- Mirtazapine24 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.
Industry payments in 2024: $22.92
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gretchen L. Hermes among 1,174 psychiatry physician records in Connecticut
Gretchen L. Hermes, M.D./PHD./MTS 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2026 · 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).
14 psychiatry physician records list a practice address in New London
They are 14 of the 1,218 NPPES records with a practice address in New London, and 1,174 psychiatry physician records in Connecticut.
All 1,174 in Connecticut → Every provider in New London → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Mariam Aboukar, D.O.New London, CT 063201013448620
- Bassam Awwa, MDNew London, CT 063201881774354
- Julia Chase Brand, MDNew London, CT 063201982899803
- Kathleen Coss, MDNew London, CT 063201679588503
- Henry Crabbe, MDNew London, CT 063201144282898
- Bertrand Duval-Arnould, M.D.New London, CT 063201609966712
- Jeffrey Gold, M.D.New London, CT 063201245364975
- Luis Gonzalez, MDNew London, CT 063201801863220
Common questions
What is Gretchen L. Hermes, M.D./PHD./MTS's NPI number?
Gretchen L. Hermes, M.D./PHD./MTS's National Provider Identifier (NPI) is 1710161948, issued on Dec 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen L. Hermes, M.D./PHD./MTS located?
The NPPES record lists a practice address at 365 Montauk Ave, New London, CT, 06320. Phone: (203) 688-0715. Providers update this record themselves, so call before visiting.
How can I verify Gretchen L. Hermes, M.D./PHD./MTS's license?
NPPES lists Connecticut license number 048150, 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 Gretchen L. Hermes, M.D./PHD./MTS prescribe under Medicare Part D?
In 2024, Gretchen L. Hermes, M.D./PHD./MTS had 551 Medicare Part D claims for 50 beneficiaries; 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.