Individual provider Active NPI

Charles Zajac

  • Critical Care Medicine Registered Nurse
  • Albany, NY
National Provider Identifier
1689381832
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine Registered NurseTaxonomy code 163WC0200X
License
705152 Issued in NY
Practice address
1450 Western Ave Ste 102
Albany, NY 12203-3539
Phone
(518) 463-0050
NPI assigned
Oct 27, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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 705152 NY
Critical Care Medicine Registered Nurse 163WC0200X 705152 NY Primary

Addresses

Primary practice location

1450 Western Ave Ste 102
Albany, NY 12203-3539

Mailing address

16 Sheridan Ave Apt 523
Albany, NY 12210-2757
Phone (518) 423-0580

Other practice location 1

43 New Scotland Ave
Albany, NY 12208-3478
Phone (518) 262-3125

Other identifiers 1

IdentifierTypeStateIssuer
705152OtherNYRN LICENSE NUMBER

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address zajacc@amc.edu

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221213002588 NY Practitioner - Certified Registered Nurse Anesthetist (Crna) 3779952718 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Albany Medical CollegeGroup PAC ID 1759293111, 1,054 clinicians

Practice addresses (Care Compare)

47 New Scotland Ave
Albany, NY 12208-3412
Phone (518) 262-5633

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.78 of 100Reported as group
Quality
77.53
Promoting interoperability
100
Improvement activities
40
Cost
76.35

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia Group of Albany, PC CurrentSince Jul 1, 2026 Accepting new patients
Albany Medical College CurrentSince Nov 21, 2022 Accepting new patients
Albany Medical College Nurse Anesthetist, Certified Registered CurrentSince Nov 21, 2022 Accepting new patients
Albany Medical College Current Accepting new patients
Albany Medical College Current Accepting new patients
Albany Medical College Nurse Anesthetist, Certified Registered CurrentSince Nov 21, 2022 Accepting new patients

Locations

43 New Scotland Ave
Albany, NY 12208
Phone (518) 262-5149

315 S Manning Blvd
Albany, NY 12208
Phone (518) 525-1852

1450 Western Ave
Ste 102
Albany, NY 12203

47 New Scotland Ave
Albany, NY 12208
Phone (518) 262-3773

47 New Scotland Ave
#131
Albany, NY 12208
Phone (518) 262-4300

Organizations & group practices 6

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.

Hospital & facility affiliations 5

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": "1666828800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1689381832",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16 SHERIDAN AVE APT 523",
            "city": "ALBANY",
            "state": "NY",
            "postal_code": "122102757",
            "telephone_number": "518-423-0580"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1450 WESTERN AVE STE 102",
            "city": "ALBANY",
            "state": "NY",
            "postal_code": "122033539",
            "telephone_number": "518-463-0050"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "43 New Scotland Ave",
            "address_purpose": "LOCATION",
            "city": "Albany",
            "state": "NY",
            "postal_code": "122083478",
            "country_code": "US",
            "telephone_number": "518-262-3125",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZAJAC",
        "first_name": "CHARLES",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-10-27",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "NY",
            "license": "705152",
            "primary": false
        },
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "NY",
            "license": "705152",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RN LICENSE NUMBER",
            "identifier": "705152",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "zajacc@amc.edu",
            "affiliation": "N",
            "endpointDescription": "work email",
            "address_1": "43 New Scotland Ave",
            "city": "Albany",
            "state": "NY",
            "country_code": "US",
            "postal_code": "122083478",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Albany, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 5, 2026; 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.