NPIMap

Individual provider Active NPI

Dennis L Potapchuk

  • Certified Registered Nurse Anesthetist
  • Sonora, CA
National Provider Identifier
1518796754
Registry record updated Feb 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95002662 Issued in CA
Practice address
1000 Greenley Rd
Sonora, CA 95370-5200
Phone
(209) 770-4501
NPI assigned
Jul 27, 2024
Last updated
Feb 3, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 3, 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 95002662 CA Primary
Critical Care Medicine Registered Nurse 163WC0200X 436625 OH

Addresses

Primary practice location

1000 Greenley Rd
Sonora, CA 95370-5200

Mailing address

5177 Brookside Rd
Independence, OH 44131-6058
Phone (216) 744-3504

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250908002959 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 8729580766 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sonora Anesthesia Services a Medical Group IncGroup PAC ID 7315911567, 13 clinicians

Practice addresses (Care Compare)

1000 Greenley Rd
Sonora, CA 95370-5200
Phone (209) 536-5000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
436625OHMDCritical Care Medicine Registered Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Sonora Anesthesia Services a Medical Group Inc CurrentSince Jul 16, 2025 Accepting new patients
Sedaze Anesthesia Consultants a Professional Nursing Corporation Nurse Anesthetist, Certified Registered CurrentSince Oct 9, 2025 Accepting new patients

Locations

20998 Redwood Rd
Castro Valley, CA 94546
Phone (510) 538-2828

2288 Auburn Blvd
Ste 201
Sacramento, CA 95821
Phone (916) 646-8300

1739 4th St
Santa Rosa, CA 95404
Phone (707) 528-6331

1000 Greenley Rd
Sonora, CA 95370
Phone (209) 263-0803

Organizations & group practices 2

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

Hospital & facility affiliations 12

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": "1722038400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770076800000",
    "number": "1518796754",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5177 BROOKSIDE RD",
            "city": "INDEPENDENCE",
            "state": "OH",
            "postal_code": "441316058",
            "telephone_number": "216-744-3504"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1000 GREENLEY RD",
            "city": "SONORA",
            "state": "CA",
            "postal_code": "953705200",
            "telephone_number": "209-770-4501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "POTAPCHUK",
        "first_name": "DENNIS",
        "middle_name": "L",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-07-27",
        "last_updated": "2026-02-03",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95002662",
            "primary": true
        },
        {
            "code": "163WC0200X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Critical Care Medicine",
            "state": "OH",
            "license": "436625",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Sonora, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 3, 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.