NPPES file of Aug 9, 2026

Stephanie G. Tatoian, NP

Obstetrics & Gynecology Nurse Practitioner · Watertown, MA

Stephanie G. Tatoian, NP is an obstetrics & gynecology nurse practitioner with a practice address in Watertown, Massachusetts, and NPI 1063656205, issued on Apr 30, 2009. Check the license (Massachusetts 273596, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063656205
Name
Stephanie G. Tatoian
Credential
NP
Primary taxonomy
Obstetrics & Gynecology Nurse Practitioner 363LX0001X
License number
273596 MA
Self-reported in NPPES; status is on the state search
Practice location
27 French St, Watertown, MA 02472
Phone
(857) 919-7251
Enumerated
Apr 30, 2009
Record last updated
Nov 8, 2024
Medicaid ID
110177174A MA
Medicare enrollment
Enrolled (PECOS I20151217000044); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Stephanie G. Tatoian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 273596
    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
Find the Massachusetts license search

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The practice group's MIPS final score for 2023 (Medicare payment program): 100 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.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $42.17

2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,033 providers of this specialty with any payment received $439.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Tatoian$42.17
  2. Specialty average$439.39

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. Brigham And Womens Physicians Organization IncBoston, MA

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

Stephanie G. Tatoian among 89 obstetrics & gynecology nurse practitioner records in Massachusetts

Stephanie G. Tatoian, NP is one of 89 obstetrics & gynecology nurse practitioner records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.

  • NPI issued2009 · 52% of these records are older, 39% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2008 · median 2008 among the 37 with a school on file
  • Record last updated2024 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LX0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Nurse Practitioner providers in Massachusetts

There are 89 obstetrics & gynecology nurse practitioner records in Massachusetts.

The 8 obstetrics & gynecology nurse practitioner records with the nearest ZIP codes

  1. Renee Rotman, NPChestnut Hill, MA 024671730455494
  2. Megan Dolan, NPWellesley, MA 024811972761781
  3. Mary Maxwell, NURSE PRACTITIONERWellesley, MA 024811376697722
  4. Courteney Martin, WHNP-BCNewton, MA 024621487443347
  5. Jennie Mastroianni, RNC, MS, NPNewton, MA 024621134137821
  6. Christie Benson, NPNeedham, MA 024921962634725
  7. Emily Evans, N.P.Needham, MA 024921740204908
  8. Christen Anderson, NPWaltham, MA 024511982889986

Common questions

What is Stephanie G. Tatoian, NP's NPI number?

Stephanie G. Tatoian, NP's National Provider Identifier (NPI) is 1063656205, issued on Apr 30, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie G. Tatoian, NP located?

The NPPES record lists a practice address at 27 French St, Watertown, MA, 02472. Phone: (857) 919-7251. Providers update this record themselves, so call before visiting.

How can I verify Stephanie G. Tatoian, NP's license?

NPPES lists Massachusetts license number 273596, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

What is Stephanie G. Tatoian, NP's MIPS final score?

The 2023 MIPS final score is 100 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), 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.