Individual provider Active NPI

Karapet Guyumdzhyan, CRNA

  • Certified Registered Nurse Anesthetist
  • Waltham, MA
National Provider Identifier
1215257548
Registry record updated Jan 9, 2014
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RN2278195 Issued in MA
Practice address
1440 Main St
Waltham, MA 02451-1631
Phone
(781) 891-9300
Fax
(781) 891-9305
NPI assigned
Jun 9, 2010
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2014

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 3907 CA
Certified Registered Nurse Anesthetist 367500000X RN2278195 MA Primary

Addresses

Primary practice location

1440 Main St
Waltham, MA 02451-1631

Mailing address

PO Box 1849
Lewiston, ME 04241-1849
Phone (207) 784-2554

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20120809000582 MA Practitioner - Certified Registered Nurse Anesthetist (Crna) 8729265624 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emerson Practice Associates II, IncGroup PAC ID 4183765191, 50 clinicians
Umass Memorial Medical Group IncGroup PAC ID 4284539891, 2,494 clinicians

Practice addresses (Care Compare)

133 Old Rd to 9 Acre Cor
Concord, MA 01742-4159
Phone (978) 287-8480

55 Lake Ave N
Worcester, MA 01655-0002
Phone (508) 334-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
3907CAMDClinical Nurse Specialist

Practice roles

OrganizationSpecialtyStatusNew patients
Emerson Practice Associates II, Inc. CurrentSince Jun 1, 2025 Accepting new patients
Mass General Brigham Medical Group Northern Massachusetts Inc CurrentSince Dec 1, 2012 Accepting new patients
Lawrence Anesthesia Services, LLC Nurse Anesthetist, Certified Registered CurrentSince Jul 1, 2023 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Sep 1, 2019 Accepting new patients
Steward Medical Group, Inc CurrentSince Dec 23, 2023 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Steward Medical Group, Inc Nurse Anesthetist, Certified Registered CurrentSince Dec 23, 2023 Accepting new patients
Cambridge Public Health Commission Current Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Sep 1, 2019 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince Jan 5, 2021 Accepting new patients
The General Hospital Corporation CurrentSince Jul 9, 2018 Accepting new patients
Golden State Anesthesia Consultants, Inc. Past Accepting new patients

Locations

138 Haverhill St
Andover, MA 01810
Phone (978) 296-2302

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

55 Fruit St
Boston, MA 02114

75 Francis St
Boston, MA 02115

1493 Cambridge St
Cambridge, MA 02139
Phone (617) 665-1185

133 Ornac
Concord, MA 01742
Phone (978) 287-3000

1 Hutchinson Dr
Danvers, MA 01923
Phone (978) 739-6950

103 Garland St
Everett, MA 02149
Phone (617) 381-7150

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

25 Highland Ave
Newburyport, MA 01950
Phone (978) 258-4734

230 Highland Ave
Somerville, MA 02143
Phone (617) 591-4350

123 Summer St
Worcester, MA 01608
Phone (508) 363-6000

Interoperability endpoints

  • Direct secure messaging: kguyumdzhyan97800@direct.challiance.masshiway.net

Organizations & group practices 14

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 14

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1276041600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1389225600000",
    "number": "1215257548",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1849",
            "city": "LEWISTON",
            "state": "ME",
            "postal_code": "042411849",
            "telephone_number": "207-784-2554",
            "fax_number": "207-777-5363"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1440 MAIN ST",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024511631",
            "telephone_number": "781-891-9300",
            "fax_number": "781-891-9305"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUYUMDZHYAN",
        "first_name": "KARAPET",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-06-09",
        "last_updated": "2014-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "3907",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MA",
            "license": "RN2278195",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Waltham, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 2014; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.