Individual provider Active NPI

Ajaysingh Nirwan, MD

  • Hospitalist Physician
  • Mesa, AZ
National Provider Identifier
1750357190
Registry record updated Apr 15, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
31994 Issued in AZ
Practice address
1400 S. Dobson Rd
Mesa, AZ 85202
Phone
(480) 626-4882
NPI assigned
Feb 26, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 15, 2017

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 31994 AZ
Hospitalist Physician 208M00000X 31994 AZ Primary

Addresses

Primary practice location

1400 S. Dobson Rd
Mesa, AZ 85202

Mailing address

7649 S Ash Ave.
Tempe, AZ 85284
Phone (480) 626-4813

Other identifiers 1

IdentifierTypeStateIssuer
812934MedicaidAZ

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ
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
I20031216000225 AZ Practitioner - Internal Medicine 5799682043 Reassigns benefits to 2 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
Apollo Hospitalists PLLCGroup PAC ID 7618070640, 16 clinicians

Practice addresses (Care Compare)

1400 S Dobson Rd
Mesa, AZ 85202-4707
Phone (480) 412-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
30.48 of 100Reported as individual
Quality
30
Improvement activities
0
Cost
33.97

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
31994AZMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Banner Hospital Based Physicians Arizona LLC CurrentSince Dec 16, 2025 Accepting new patients
Banner Hospital Based Physicians Arizona LLC CurrentSince Dec 16, 2025 Accepting new patients
Banner Desert Medical Center Past Accepting new patients

Locations

1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000

1111 E McDowell Rd
Phoenix, AZ 85006
Phone (602) 239-2000

Organizations & group practices 5

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 2

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": "1140912000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1492214400000",
    "number": "1750357190",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7649 S ASH AVE.",
            "city": "TEMPE",
            "state": "AZ",
            "postal_code": "85284",
            "telephone_number": "480-626-4813"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 S. DOBSON RD",
            "city": "MESA",
            "state": "AZ",
            "postal_code": "85202",
            "telephone_number": "480-626-4882"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIRWAN",
        "first_name": "AJAYSINGH",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-26",
        "last_updated": "2017-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "31994",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "AZ",
            "license": "31994",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "812934",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Mesa, AZ

Sources for this page

Verify at the official NPI Registry.