Individual provider Active NPI

William A Gaspar, MD

  • Internal Medicine Physician
  • Chandler, AZ
National Provider Identifier
1497739015
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
96251 Issued in NM
Practice address
1860 S Alma School Rd
Ste 1
Chandler, AZ 85286-7078
Phone
(480) 361-1955
NPI assigned
Dec 6, 2005
Last updated
Mar 2, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 68691 AZ
Internal Medicine Physician 207R00000X 96251 NM Primary

Addresses

Primary practice location

1860 S Alma School Rd
Ste 1
Chandler, AZ 85286-7078

Mailing address

1860 S Alma School Rd Ste 1
Chandler, AZ 85286-7078
Phone (480) 361-1955

Other practice location 1

4311 E Lohman Ave
Las Cruces, NM 88011-8255
Phone (575) 556-7600

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NM
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20081103000125 NM Practitioner - Internal Medicine 0244221331 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Las Cruces HB Medical Services LLCGroup PAC ID 8123473600, 157 clinicians

Practice addresses (Care Compare)

4311 E Lohman Ave
Las Cruces, NM 88011-8255
Phone (575) 556-7455

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
48.64 of 100Reported as group
Quality
9.4
Improvement activities
40
Cost
82.91

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
68691AZMDInternal Medicine Physician
96251NMMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
KND Development 59 LLC CurrentSince Nov 1, 2017 Accepting new patients
B Hive Medical LLC Internal Medicine CurrentSince Aug 27, 2026 Accepting new patients
Las Cruces HB Medical Services LLC CurrentSince Jul 27, 2023 Accepting new patients
Hospitalist Medicine Physicians of Texas, PLLC Internal Medicine CurrentSince Jun 1, 2016 Accepting new patients
Las Cruces Medical Center LLC Past Accepting new patients
Mora Valley Community Health Services, Inc. Past Accepting new patients
Mora Valley Community Health Services Inc Past Accepting new patients

Locations

1860 S Alma School Rd
Ste 1
Chandler, AZ 85286
Phone (480) 361-1955

700 High St NE
Albuquerque, NM 87102
Phone (505) 242-4444

2430 W Pierce St
Carlsbad, NM 88220
Phone (505) 887-4100

2100 N Mlk Blvd
Clovis, NM 88101
Phone (505) 769-2141

4311 E Lohman Ave
Las Cruces, NM 88011
Phone (505) 556-6800

Interoperability endpoints

  • Direct secure messaging: williamgaspar@rghnm.medalliesdirect.net

Organizations & group practices 7

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 1

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": "1133827200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1497739015",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1860 S ALMA SCHOOL RD STE 1",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852867078",
            "telephone_number": "480-361-1955"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1860 S ALMA SCHOOL RD",
            "address_2": "STE 1",
            "city": "CHANDLER",
            "state": "AZ",
            "postal_code": "852867078",
            "telephone_number": "480-361-1955"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4311 E Lohman Ave",
            "address_purpose": "LOCATION",
            "city": "Las Cruces",
            "state": "NM",
            "postal_code": "880118255",
            "country_code": "US",
            "telephone_number": "575-556-7600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GASPAR",
        "first_name": "WILLIAM",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-06",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "68691",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NM",
            "license": "96251",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chandler, AZ

Sources for this page

Verify at the official NPI Registry.