Maria Stack, M.D.
Internal Medicine Physician · Cheshire, CT
Maria Stack, M.D. is an internal medicine physician with a practice address in Cheshire, Connecticut, and NPI 1861490104, issued on Jul 11, 2005. Check the license (Connecticut 028514, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Maria Stack
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 028514 CT
Self-reported in NPPES; status is on the state search - Practice location
- 680 S Main St, Cheshire, CT 06410
- Phone
- (203) 699-9898
- Enumerated
- Jul 11, 2005
- Entity
- Type 1 · individual
Also registered at 680 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alie Bates, LCSWSocial Worker1235769092
- Heather Garretson, MSPT ATCPhysical Therapist1619964475
- Shila PatelPhysical Therapist1306232293
- Colin Stanton, PHDClinical Psychologist1407344799
Verify Maria Stack in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
496 Medicare Part D claims for 152 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium51 claims
- Levothyroxine Sodium39 claims
- Amlodipine Besylate34 claims
- Losartan Potassium24 claims
- Metoprolol Succinate19 claims
- Lisinopril16 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.
15 internal medicine physician records list a Cheshire practice address
They are 15 of the 757 NPPES records with a Cheshire practice address, and 2,830 internal medicine physician records in Connecticut.
All 15 in Cheshire → All 2,830 in Connecticut → Every provider in Cheshire →
Other internal medicine physician records in Connecticut
- Christina AbavanaBridgeport, CT1508206574
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Mahmoud Abdelrahman, MDBridgeport, CT1467072868
- Simon Abi-SalehBridgeport, CT1891315529
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Nila Aburto, MDStamford, CT1396325718
- Angelo Accomando, M.D.East Haven, CT1063454247
Common questions
What is Maria Stack, M.D.'s NPI number?
Maria Stack, M.D.'s National Provider Identifier (NPI) is 1861490104, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Maria Stack, M.D. located?
The NPPES record lists a practice address at 680 S Main St, Cheshire, CT, 06410. Phone: (203) 699-9898. Providers update this record themselves, so call before visiting.
How can I verify Maria Stack, M.D.'s license?
NPPES lists Connecticut license number 028514, 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 Maria Stack, M.D. prescribe under Medicare Part D?
In 2024, Maria Stack, M.D. had 496 Medicare Part D claims for 152 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.