Ajaysingh Nirwan, MD - Medicare Internal Medicine in Mesa, AZ

Ajaysingh Nirwan, MD is a medicare enrolled "Hospitalist" physician in Mesa, Arizona. He graduated from medical school in 1991 and has 33 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Apollo Hospitalists Pllc and his current practice location is 1400 S. Dobson Rd, Mesa, Arizona. You can reach out to his office (for appointments etc.) via phone at (480) 626-4882.

Ajaysingh Nirwan is licensed to practice in Arizona (license number 31994) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1750357190.

Contact Information

Ajaysingh Nirwan, MD
1400 S. Dobson Rd,
Mesa, AZ 85202
(480) 626-4882
Not Available

Map and Direction




Physician's Profile

Full NameAjaysingh Nirwan
GenderMale
SpecialityInternal Medicine
Experience33 Years
Location1400 S. Dobson Rd, Mesa, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Ajaysingh Nirwan graduated from medical school in 1991
  NPI Data:
  • NPI Number: 1750357190
  • Provider Enumeration Date: 02/26/2006
  • Last Update Date: 04/15/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 5799682043
  • Enrollment ID: I20031216000225

Medical Identifiers

Medical identifiers for Ajaysingh Nirwan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1750357190NPI-NPPES
812934MedicaidAZ

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 31994 (Arizona)Secondary
208M00000XHospitalist 31994 (Arizona)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Banner Desert Medical CenterMesa, AZHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Apollo Hospitalists Pllc761807064017

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Ajaysingh Nirwan allows following entities to bill medicare on his behalf.
Entity NameApollo Hospitalists Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720120678
PECOS PAC ID: 7618070640
Enrollment ID: O20070313000384

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Ajaysingh Nirwan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Ajaysingh Nirwan, MD
7649 S Ash Ave.,
Tempe, AZ 85284

Ph: (480) 626-4813
Ajaysingh Nirwan, MD
1400 S. Dobson Rd,
Mesa, AZ 85202

Ph: (480) 626-4882

Reviews and Comments


Hospitalist Doctors in Mesa, AZ

Gregg Alan Smith, D.O.
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 1042 N Higley Rd, Suite 102-602, Mesa, AZ 85205
Phone: 480-242-6297    Fax: 480-699-3129
Dr. Fayz Yar Khan, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 10238 E Hampton Ave, Mesa, AZ 85209
Phone: 480-354-6463    
Dr. Marwan Mohammed Oleiwi, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 6644 E Baywood Ave, Banner Baywood Medical Center, Mesa, AZ 85206
Phone: 480-321-3900    Fax: 480-321-3840
Dr. Pawan A Dhawan, MBBS
Hospitalist
Medicare: Medicare Enrolled
Practice Location: Bdmc/attn: Bmg Hospitalists, 1400 S Dobson Road, Mesa, AZ 85202
Phone: 480-412-6788    Fax: 480-412-6848
Dr. Katelyn Rheault, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 6644 E Baywood Ave, Mesa, AZ 85206
Phone: 602-839-3644    
Dr. Lloyd Centino, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: Banner Desert Medical Center Attn Hospitalist, 1400 S Dobson Rd, Mesa, AZ 85202
Phone: 480-412-6788    Fax: 480-412-6848
Dr. Ritesh Kanotra, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 6644 E Baywood Ave, Banner Baywood Medical Center, Mesa, AZ 85206
Phone: 480-321-3900    Fax: 480-321-3840

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.