NPPES file of Aug 9, 2026

Catherine M. Nowak, M.D.

Clinical Genetics (M.D.) Physician · Boston, MA

Catherine M. Nowak, M.D. is a clinical genetics (m.d.) physician with a practice address in Boston, Massachusetts, and NPI 1053393470, issued on Nov 20, 2005. Check the license (Massachusetts 76523, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1053393470
Name
Catherine M. Nowak
Credential
M.D.
Primary taxonomy
Clinical Genetics (M.D.) Physician 207SG0201X
License number
76523 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 726-1742
Enumerated
Nov 20, 2005
Record last updated
Oct 12, 2022
Fax
(617) 726-1566
Medicaid ID
3126668 MA
Medicare enrollment
Enrolled (PECOS I20050707000561); 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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Also registered at 55 Fruit St

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

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Catherine M. Nowak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 76523
    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 Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Massachusetts General Physicians Organization IncBoston, MA
  2. The General Hospital CorporationBoston, MA

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

Catherine M. Nowak among 56 clinical genetics (m.d.) physician records in Massachusetts

Catherine M. Nowak, M.D. is one of 56 clinical genetics (m.d.) physician records with a practice address in Massachusetts. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 88% newer
  • In a Medicare fileYes · 59% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1989 · median 1999 among the 28 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207SG0201X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Clinical Genetics (M.D.) Physician providers in Massachusetts

There are 56 clinical genetics (m.d.) physician records in Massachusetts.

The 8 clinical genetics (m.d.) physician records with the nearest ZIP codes

  1. Frances High, M.D., PH.D.Boston, MA 021141831325224
  2. Lewis Holmes, MDBoston, MA 021141063486454
  3. Angela Lin, MDBoston, MA 021141770565855
  4. Daniel Pomerantz, MDBoston, MA 021141306375381
  5. Brian Skotko, M.D., M.P.P.Boston, MA 021141013182500
  6. David Sweetser, MDBoston, MA 021141558320762
  7. Wendy Chung, MDBoston, MA 021151972578540
  8. David Harris, MDBoston, MA 021151770546855

Common questions

What is Catherine M. Nowak, M.D.'s NPI number?

Catherine M. Nowak, M.D.'s National Provider Identifier (NPI) is 1053393470, issued on Nov 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Catherine M. Nowak, M.D. located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 726-1742. Providers update this record themselves, so call before visiting.

How can I verify Catherine M. Nowak, M.D.'s license?

NPPES lists Massachusetts license number 76523, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.