NPPES file of Aug 9, 2026

Ann Mantua Asunto, M.D.

Family Medicine Physician · Stamford, CT

Ann Mantua Asunto, M.D. is a family medicine physician with a practice address in Stamford, Connecticut, and NPI 1073747788, issued on May 8, 2009. Check the license (Connecticut 047312, as entered in NPPES) 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
1073747788
Name
Ann Mantua Asunto
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
047312 CT
MT188452 PA
Self-reported in NPPES; status is on the state search
Practice location
22 5TH St, Stamford, CT 06905
Phone
(203) 323-8160
Enumerated
May 8, 2009
Record last updated
Nov 10, 2023
Medicaid ID
004234788 CT
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 22 5TH St

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

  1. Oluwaseyi Adeyinka, MD, MPHPsychiatry Physician1215513106
  2. Brittany Albano, LCSWClinical Social Worker1083022545
  3. Craig Clabaugh, DMDGeneral Practice Dentistry1467895995
  4. Helen Collins, LCSWClinical Social Worker1700158441
  5. Sakshi Dhir, MDPsychiatry Physician1629620539
  6. Lisa Dianis, LCSWClinical Social Worker1245505924

Verify Ann Mantua Asunto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 047312
    Check 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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51% fewer Medicare Part D claims than the average family medicine physician in 2024

1,729 Medicare Part D claims for 133 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Ann Asunto1,729
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium179 claims
  2. Levothyroxine Sodium104 claims
  3. Losartan Potassium94 claims
  4. Metformin Hcl82 claims
  5. Albuterol Sulfate Hfa58 claims
  6. Gabapentin55 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: $18.69

1 payment: food and beverage; the largest payer was Phadia US Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ann Asunto$18.69
  2. Specialty average$902.55

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

57 family medicine physician records list a practice address in Stamford

They are 57 of the 2,774 NPPES records with a practice address in Stamford, and 958 family medicine physician records in Connecticut.

Other family medicine physician records in Connecticut

  1. Thomas Abbenante, M.D.Milford, CT1821232034
  2. Yadira Acevedo, MDPortland, CT1093991077
  3. Rodrigo Acosta, M.D.Stamford, CT1023102092
  4. Momina Afrede, DOVernon, CT1750842951
  5. Alireza Afshar, MDNewtown, CT1750401071
  6. Manju Aggarwal, MDNewington, CT1952480840
  7. Thomas Agresta, M.D.Hartford, CT1194775965
  8. James Ahern, M.D.Ridgefield, CT1356385868
  9. Alif Ahmed, MDStorrs, CT1255073144
  10. Elizabeth Ahmed, M.D.New Haven, CT1376551879

Common questions

What is Ann Mantua Asunto, M.D.'s NPI number?

Ann Mantua Asunto, M.D.'s National Provider Identifier (NPI) is 1073747788, issued on May 8, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Ann Mantua Asunto, M.D. located?

The NPPES record lists a practice address at 22 5TH St, Stamford, CT, 06905. Phone: (203) 323-8160. Providers update this record themselves, so call before visiting.

How can I verify Ann Mantua Asunto, M.D.'s license?

NPPES lists Connecticut license number 047312, 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 Ann Mantua Asunto, M.D. prescribe under Medicare Part D?

In 2024, Ann Mantua Asunto, M.D. had 1,729 Medicare Part D claims for 133 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.