NPPES file of Aug 9, 2026

Janet Mary Cowan, PH.D., FACMG

Clinical Cytogenetics Physician · Boston, MA

Janet Mary Cowan, PH.D., FACMG is a clinical cytogenetics physician with a practice address in Boston, Massachusetts, and NPI 1922087204, issued on Jan 13, 2006. Check the license (Massachusetts 870077, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1922087204
Name
Janet Mary Cowan
Credential
PH.D., FACMG
Primary taxonomy
Clinical Cytogenetics Physician 207SC0300X
License number
870077 MA
Self-reported in NPPES; status is on the state search
Practice location
750 Washington St, Boston, MA 02111
Phone
(617) 636-5841
Enumerated
Jan 13, 2006
Record last updated
Jul 13, 2026
Fax
(617) 636-1256
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 750 Washington St

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

  1. Maureen Abbott, NPAdult Health Nurse Practitioner1457591638
  2. Paul Abourjaily, PHARMDPharmacotherapy Pharmacist1255337044
  3. Lori Abrahamian, M.D.Anesthesiology Physician1528012192
  4. Mary Ahern, PMHCNS-BCPsychiatric/Mental Health Clinical Nurse Specialist1619137742
  5. Ghada Al Mubarak, M.D.Surgery Physician1407034911
  6. Abeer Al-Naqbi, M.D.Obstetrics & Gynecology Physician1043426919

Verify Janet Mary Cowan 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 870077
    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

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Clinical Cytogenetics Physician providers in Massachusetts

There are 9 clinical cytogenetics physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical cytogenetics physician records in Massachusetts

  1. Christine Bryke, MDBoston, MA1932109527
  2. Jonathan Fletcher, MDBoston, MA1891713392
  3. Anne Giersch, PH.D.Boston, MA1821063348
  4. Anne Higgins, PH.D.Boston, MA1689622862
  5. Lee Kaplan, PHD, FACMGDedham, MA1578495222
  6. Laura Sack, PHDBoston, MA1013884121
  7. Stanislawa Weremowicz, PHDBoston, MA1578535753
  8. Sheng Xiao, M.D.Boston, MA1336113224

Common questions

What is Janet Mary Cowan, PH.D., FACMG's NPI number?

Janet Mary Cowan, PH.D., FACMG's National Provider Identifier (NPI) is 1922087204, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Janet Mary Cowan, PH.D., FACMG located?

The NPPES record lists a practice address at 750 Washington St, Boston, MA, 02111. Phone: (617) 636-5841. Providers update this record themselves, so call before visiting.

How can I verify Janet Mary Cowan, PH.D., FACMG's license?

NPPES lists Massachusetts license number 870077, 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. 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.