Ahmad Atal Shir, MD
Internal Medicine Physician · Tucson, AZ
Ahmad Atal Shir, MD is an internal medicine physician with a practice address in Tucson, Arizona, and NPI 1144615303, issued on Apr 3, 2015. Check the license (Arizona 55536, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ahmad Atal Shir
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 55536 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 5301 E Grant RD, Tucson, AZ 85712
- Phone
- (520) 327-5461
- Enumerated
- Apr 3, 2015
- Record last updated
- May 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20181211000942); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 5301 E Grant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ahmad Atal Shir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 55536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,723 Medicare Part D claims for 325 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 112 claims were for opioids.
Most prescribed
- Furosemide123 claims
- Eliquis117 claims
- Atorvastatin Calcium104 claims
- Gabapentin103 claims
- Amlodipine Besylate100 claims
- Tamsulosin Hcl82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $88.90
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Arizona Inpatient Medicine Associates LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ahmad Atal Shir among 2,853 internal medicine physician records in Arizona
Ahmad Atal Shir, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 70% of them.
- NPI issued2015 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2015 · median 2003 among the 1,643 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
651 internal medicine physician records list a practice address in Tucson
They are 651 of the 18,788 NPPES records with a practice address in Tucson, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Tucson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- William Abraham, MDTucson, AZ 857121669468195
- Sheela Bhat, M.D.Tucson, AZ 857121598752008
- Muralikrishna Bhat, M.D.Tucson, AZ 857121114914637
- Douglas Bischoff, M.D.Tucson, AZ 857121821085333
- George Haloftis, D.O.Tucson, AZ 857121740277268
- Thomas Headlee, M.D.Tucson, AZ 857121194711630
- Kathleen Iveson, M.D.Tucson, AZ 857121720074263
- Gerome Kantor, MDTucson, AZ 857121407850290
Common questions
What is Ahmad Atal Shir, MD's NPI number?
Ahmad Atal Shir, MD's National Provider Identifier (NPI) is 1144615303, issued on Apr 3, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ahmad Atal Shir, MD located?
The NPPES record lists a practice address at 5301 E Grant RD, Tucson, AZ, 85712. Phone: (520) 327-5461. Providers update this record themselves, so call before visiting.
How can I verify Ahmad Atal Shir, MD's license?
NPPES lists Arizona license number 55536, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ahmad Atal Shir, MD prescribe under Medicare Part D?
In 2024, Ahmad Atal Shir, MD had 2,723 Medicare Part D claims for 325 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.