NPPES file of Aug 9, 2026

Mark William Mittauer, MD

Psychiatry Physician · Groton, CT

Mark William Mittauer, MD is a psychiatry physician with a practice address in Groton, Connecticut, and NPI 1255322996, issued on Nov 2, 2005. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255322996
Name
Mark William Mittauer
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
ME48585 FL
Self-reported in NPPES; status is on the state search
Practice location
Rte 12 Bldg 449, Groton, CT 06349
Phone
(860) 694-2377
Enumerated
Nov 2, 2005
Record last updated
Jun 3, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(860) 694-2590
Medicare enrollment
Enrolled (PECOS I20080911000248); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 1982
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at Rte 12 Bldg 449

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dorothy McLaughlin, BSPharmacotherapy Pharmacist1992786099

Verify Mark William Mittauer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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73% fewer Medicare Part D claims than the average psychiatry physician in 2024

266 Medicare Part D claims for 45 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Mark Mittauer266
  2. Specialty average1,000

Most prescribed

  1. Duloxetine Hcl22 claims
  2. Lamotrigine17 claims
  3. Escitalopram Oxalate16 claims
  4. Trazodone Hcl16 claims
  5. Alprazolam14 claims
  6. Bupropion Xl14 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: $1,058.07

66 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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.

  1. Mark Mittauer$1,058.07
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Abbe Management CorpHiawatha, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

7 psychiatry physician records list a practice address in Groton

They are 7 of the 734 NPPES records with a practice address in Groton, and 1,174 psychiatry physician records in Connecticut.

Other psychiatry physician records in Connecticut

  1. Enenge A'Bodjedi, MDStamford, CT1952310666
  2. Chadi Abdallah, M.D.West Haven, CT1851591820
  3. Sarah AbdallahNew Haven, CT1740800952
  4. Elie AbdelnourNew Haven, CT1790346070
  5. Yasmeen Abdul-KarimNew Haven, CT1609296292
  6. Jessica Abellard, PSYCHIATRISTNew Haven, CT1881906139
  7. Mariam Aboukar, D.O.New London, CT1013448620
  8. Irene Abramovich, M.D.West Hartford, CT1407864887
  9. Linus Abrams, M.D.Greenwich, CT1073675922
  10. Tia Maria Acosta, M.D.Willimantic, CT1679582167

Common questions

What is Mark William Mittauer, MD's NPI number?

Mark William Mittauer, MD's National Provider Identifier (NPI) is 1255322996, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark William Mittauer, MD located?

The NPPES record lists a practice address at Rte 12 Bldg 449, Groton, CT, 06349. Phone: (860) 694-2377. Providers update this record themselves, so call before visiting.

How can I verify Mark William Mittauer, MD's license?

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 Mark William Mittauer, MD prescribe under Medicare Part D?

In 2024, Mark William Mittauer, MD had 266 Medicare Part D claims for 45 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.