Mary Diana, MD
Obstetrics & Gynecology Physician · Westport, CT
Mary Diana, MD is an obstetrics & gynecology physician with a practice address in Westport, Connecticut, and NPI 1962445684, issued on Jun 13, 2006. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mary Diana
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- Practice location
- 12 Avery Place, Westport, CT 06880
- Phone
- (203) 227-5125
- Enumerated
- Jun 13, 2006
- Entity
- Type 1 · individual
Verify Mary Diana in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
2 hospital and facility affiliations
- Montefiore Medical CenterBronx, NY · Acute Care Hospitals3 of 5 stars
- Yale UniversityGreenwich, CT
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
15 obstetrics & gynecology physician records list a Westport practice address
They are 15 of the 886 NPPES records with a Westport practice address, and 682 obstetrics & gynecology physician records in Connecticut.
All 15 in Westport → All 682 in Connecticut → Every provider in Westport →
Other obstetrics & gynecology physician records in Connecticut
- Anne Abbate, MDBridgeport, CT1497323562
- Sonya Abdel-Razeq, MDNew Haven, CT1265415350
- Roxanne Abder, MDTrumbull, CT1790840809
- Patricia Abruna, M.D.Fairfield, CT1023246832
- Ami Acharya, M.D.Hamden, CT1437131760
- Marie Achong, M.D.Hartford, CT1700806213
- Elizabeth Ackley, M.D.New Haven, CT1316474091
- Sharon Adler, MDBristol, CT1235148438
- Sarp Aksel, M.D.Stamford, CT1245611441
- Elizabeth Alexander, MDNorwalk, CT1669882635
Common questions
What is Mary Diana, MD's NPI number?
Mary Diana, MD's National Provider Identifier (NPI) is 1962445684, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Diana, MD located?
The NPPES record lists a practice address at 12 Avery Place, Westport, CT, 06880. Phone: (203) 227-5125. Providers update this record themselves, so call before visiting.
How can I verify Mary Diana, 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.
What is Mary Diana, MD's Medicare quality score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.