NPIMap

Organization Active NPI

Maxim Healthcare Services Inc.

  • Community/Behavioral Health Agency
  • Pomona, CA
National Provider Identifier
1679095434
Registry record updated Jan 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
MAXIM HEALTHCARE SERVICES INC.
Practice address
31 Rancho Camino Dr FL 2
Pomona, CA 91766-7030
Phone
(626) 962-6453
NPI assigned
Jul 13, 2017
Last updated
Jan 14, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 14, 2026

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

Authorized official

Name
David Kowalczyk
Title
VP of Finance
Phone
(410) 910-1500

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X NU Primary

Addresses

Primary practice location

31 Rancho Camino Dr FL 2
Pomona, CA 91766-7030

Mailing address

7227 Lee Deforest Dr
Columbia, MD 21046-3236
Phone (410) 910-1500

National Provider Directory

National Provider Directory
Tax ID family
Maxim Healthcare Services Inc337 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1499904000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768348800000",
    "number": "1679095434",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7227 LEE DEFOREST DR",
            "city": "COLUMBIA",
            "state": "MD",
            "postal_code": "210463236",
            "telephone_number": "410-910-1500"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "31 RANCHO CAMINO DR FL 2",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917667030",
            "telephone_number": "626-962-6453"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "MAXIM HEALTHCARE SERVICES INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2017-07-13",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A",
        "authorized_official_last_name": "KOWALCZYK",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "VP OF FINANCE",
        "authorized_official_telephone_number": "410-910-1500"
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Pomona, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.