NPPES file of Aug 9, 2026

Karapet Guyumdzhyan, CRNA

Certified Registered Nurse Anesthetist · Waltham, MA

Karapet Guyumdzhyan, CRNA is a certified registered nurse anesthetist with a practice address in Waltham, Massachusetts, and NPI 1215257548, issued on Jun 9, 2010. Check the license (Massachusetts RN2278195, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215257548
Name
Karapet Guyumdzhyan
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
RN2278195 MA
3907 CA
Self-reported in NPPES; status is on the state search
Practice location
1440 Main St, Waltham, MA 02451
Phone
(781) 891-9300
Enumerated
Jun 9, 2010
Record last updated
Jan 9, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(781) 891-9305
Medicare enrollment
Enrolled (PECOS I20120809000582); accepts Medicare assignment
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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8 nearest certified registered nurse anesthetist records → All 1,342 in Massachusetts → Look up another NPI →

Also registered at 1440 Main St

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

  1. Murat Avadikoglu, M.D.Anesthesiology Physician1174644231
  2. Peter Chang, M.D.Ophthalmology Physician1801107859
  3. Marco Loi, CRNACertified Registered Nurse Anesthetist1083970495
  4. Jennifer Smith, CRNACertified Registered Nurse Anesthetist1952694432

Verify Karapet Guyumdzhyan 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 RN2278195    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

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. Emerson Practice Associates II, IncConcord, MA
  2. Umass Memorial Medical Group IncWorcester, MA

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

Karapet Guyumdzhyan among 1,342 certified registered nurse anesthetist records in Massachusetts

Karapet Guyumdzhyan, CRNA is one of 1,342 certified registered nurse anesthetist records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 45% of them.

  • NPI issued2010 · 45% of these records are older, 52% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2009 · median 2013 among the 1,006 with a school on file
  • Record last updated2014 · 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 367500000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in Massachusetts

There are 1,342 certified registered nurse anesthetist records in Massachusetts.

All 1,342 in Massachusetts → Every provider in Waltham → Certified Registered Nurse Anesthetist nationwide →

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Kathleen Harrington, CRNAWaltham, MA 024511467539825
  2. Marco Loi, CRNAWaltham, MA 024511083970495
  3. Judith Manzer, CRNAWaltham, MA 024511831276310
  4. John McNemar, DNAP, CRNAWaltham, MA 024511295798890
  5. Susan PayneWaltham, MA 024511447370838
  6. Jennifer Smith, CRNAWaltham, MA 024511952694432
  7. Margaret Pothier, CRNABrookline, MA 024461730285099
  8. Nikki-Taylor DowNewton, MA 024581134788409

Common questions

What is Karapet Guyumdzhyan, CRNA's NPI number?

Karapet Guyumdzhyan, CRNA's National Provider Identifier (NPI) is 1215257548, issued on Jun 9, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Karapet Guyumdzhyan, CRNA located?

The NPPES record lists a practice address at 1440 Main St, Waltham, MA, 02451. Phone: (781) 891-9300. Providers update this record themselves, so call before visiting.

How can I verify Karapet Guyumdzhyan, CRNA's license?

NPPES lists Massachusetts license number RN2278195, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.