Individual provider Active NPI

Mahesh Kumarr Balakrishnan, M.D.

  • Clinical Cardiac Electrophysiology Physician
  • Tucson, AZ
National Provider Identifier
1366890766
Registry record updated Oct 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
70958 Issued in AZ
Practice address
2800 E Ajo Way
Tucson, AZ 85713-6204
Phone
(520) 874-2000
NPI assigned
May 26, 2016
Last updated
Oct 15, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 15, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X R75743 AZ
Cardiovascular Disease Physician 207RC0000X 70958 AZ
Clinical Cardiac Electrophysiology Physician 207RC0001X 70958 AZ Primary

Addresses

Primary practice location

2800 E Ajo Way
Tucson, AZ 85713-6204

Mailing address

1361 W Yaqui Dr Apt 81
Tucson, AZ 85704-1597

Other practice location 1

3141 N 3rd Ave Ste 140
Phoenix, AZ 85013-4360
Phone (602) 406-1150

Other practice location 2

500 W Thomas Rd Ste 850
Phoenix, AZ 85013-4218
Phone (602) 406-1150

Other practice location 3

500 W Thomas Rd Ste 680
Phoenix, AZ 85013-4235
Phone (602) 406-6017

Other practice location 4

500 W Thomas Rd Ste 750
Phoenix, AZ 85013-4222
Phone (602) 406-1150

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
I20240509002964 AZ Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology) 5698039816 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Akash Makkar PLLCGroup PAC ID 5698014322, 6 clinicians
Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians

Practice addresses (Care Compare)

3501 N 24TH St
Suite 101
Phoenix, AZ 85016-6607
Phone (602) 698-5820

500 W Thomas Rd
850 Sjhmc Heart and Vascular Institute
Phoenix, AZ 85013-4218
Phone (602) 406-1150

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair34

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
R75743AZMDInternal Medicine Physician
70958AZMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
St. Joseph's Hospital and Medical Center CurrentSince Aug 30, 2020 Accepting new patients
Sjhmc Physician Services CurrentSince Oct 1, 2024 Accepting new patients
Akash Makkar PLLC Clinical Cardiac Electrophysiology CurrentSince Jun 1, 2024 Accepting new patients
Kumar Ravi MD Facc PC Internal Medicine PastSince Jun 1, 2024 Accepting new patients

Locations

2075 W Pecos Rd
Ste 2
Chandler, AZ 85224
Phone (480) 219-6840

350 W Thomas Rd
Phoenix, AZ 85013
Phone (480) 339-5001

3501 N 24th St
Ste 101
Phoenix, AZ 85016

500 W Thomas Rd
Ste 680
Phoenix, AZ 85013
Phone (602) 406-6017

500 W Thomas Rd
Ste 750
Phoenix, AZ 85013
Phone (602) 406-1150

500 W Thomas Rd
Ste 850
Phoenix, AZ 85013
Phone (602) 406-1150

12649 N 105th Ave
Sun City, AZ 85351

File 56765
Los Angeles, CA 90074

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/18634/brand/1/csg/1/fhir/r4
  • Direct secure messaging: mahesh.kumarr.balakrishnan.1@18634.direct.athenahealth.com

Organizations & group practices 4

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 9

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": "1464220800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1792022400000",
    "number": "1366890766",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1361 W YAQUI DR APT 81",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857041597"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2800 E AJO WAY",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857136204",
            "telephone_number": "520-874-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3141 N 3rd Ave Ste 140",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134360",
            "country_code": "US",
            "telephone_number": "602-406-1150",
            "fax_number": "602-406-1159",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Thomas Rd Ste 850",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134218",
            "country_code": "US",
            "telephone_number": "602-406-1150",
            "fax_number": "602-406-1159",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Thomas Rd Ste 680",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134235",
            "country_code": "US",
            "telephone_number": "602-406-6017",
            "fax_number": "602-406-2144",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Thomas Rd Ste 750",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850134222",
            "country_code": "US",
            "telephone_number": "602-406-1150",
            "fax_number": "602-406-1159",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BALAKRISHNAN",
        "first_name": "MAHESH KUMARR",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-05-26",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "R75743",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "AZ",
            "license": "70958",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "AZ",
            "license": "70958",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tucson, AZ

Sources for this page

Verify at the official NPI Registry.