NPIMap

Organization Active NPI

Anesthesia Services of San Joaquin, P.C.

  • Anesthesiology Physician
  • French Camp, CA
National Provider Identifier
1366778227
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
Legal business name
ANESTHESIA SERVICES OF SAN JOAQUIN, P.C.
Practice address
500 W Hospital Rd
French Camp, CA 95231-9693
Phone
(877) 580-3144
Fax
(209) 468-6136
NPI assigned
Oct 28, 2009
Last updated
Apr 20, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

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

Authorized official

Name
Dr. Marc E. Koch, M.D.NPI 1629069497
Title
President & Ceo
Phone
(914) 491-9495

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X NU Primary

Addresses

Primary practice location

500 W Hospital Rd
French Camp, CA 95231-9693

Mailing address

450 Mamaroneck Ave Ste 201
Harrison, NY 10528-2436
Phone (914) 491-9495

Other identifiers 1

IdentifierTypeStateIssuer
PENDINGMedicaidCA

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20091223000174 CA Part B Supplier - Clinic/Group Practice 4082754056 Receives reassigned benefits from 205 practitioners
Practice locations: Elk Grove, CA; Stockton, CA; French Camp, CA; Sacramento, CA

National Provider Directory

National Provider Directory

Locations

8220 Wymark Dr
Elk Grove, CA 95757
Phone (888) 253-1704

Practitioners & affiliated clinicians

Practitioners 224

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 224

NPI Registry JSON

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

{
    "created_epoch": "1256688000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776643200000",
    "number": "1366778227",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 MAMARONECK AVE STE 201",
            "city": "HARRISON",
            "state": "NY",
            "postal_code": "105282436",
            "telephone_number": "914-491-9495",
            "fax_number": "914-633-3287"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W HOSPITAL RD",
            "city": "FRENCH CAMP",
            "state": "CA",
            "postal_code": "952319693",
            "telephone_number": "877-580-3144",
            "fax_number": "209-468-6136"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ANESTHESIA SERVICES OF SAN JOAQUIN, P.C.",
        "organizational_subpart": "NO",
        "enumeration_date": "2009-10-28",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A",
        "authorized_official_last_name": "KOCH",
        "authorized_official_first_name": "MARC",
        "authorized_official_middle_name": "E.",
        "authorized_official_title_or_position": "PRESIDENT & CEO",
        "authorized_official_telephone_number": "914-491-9495",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "PENDING",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in French Camp, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.