Mahak Chauhan, M.D.
Gastroenterology Physician · Tucson, AZ
Mahak Chauhan, M.D. is a gastroenterology physician with a practice address in Tucson, Arizona, and NPI 1497288419, issued on Apr 6, 2017. Check the license (Arizona 77101, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mahak Chauhan
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 77101 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1625 N Campbell Ave, Tucson, AZ 85719
- Phone
- (520) 874-2800
- Enumerated
- Apr 6, 2017
- Record last updated
- Jul 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20251130000001); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 403 in Arizona → Look up another NPI →
Also registered at 1625 N Campbell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristopher Abbate, MDInternal Medicine Physician1184112401
- Michelle Abbate, MDObstetrics & Gynecology Physician1184111940
- Abdelrahman AbdallaDiagnostic Radiology Physician1457139339
- Jonathan Abdo, MDStudent in an Organized Health Care Education/Training Program1811783814
- Kalkidan Abebe, MDInternal Medicine Physician1508435504
- Sameer Aboufadel, DO, MPHEmergency Medicine Physician1639063431
Verify Mahak Chauhan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 77101Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average gastroenterology physician in 2024
58 Medicare Part D claims for 24 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Omeprazole15 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: $333.52
6 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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
- Hudson Vista Medical PCCornwall, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahak Chauhan among 403 gastroenterology physician records in Arizona
Mahak Chauhan, M.D. is one of 403 gastroenterology physician records with a practice address in Arizona. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2014 · median 2001 among the 295 with a school on file
- Record last updated2025 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Arizona
There are 403 gastroenterology physician records in Arizona.
All 403 in Arizona → Every provider in Tucson → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Avin Aggarwal, M.D.Tucson, AZ 857191467716555
- Shivanand Bomman, MDTucson, AZ 857191063641348
- Shoma Bommena, M. D.Tucson, AZ 857191952610966
- Jama Darling, MDTucson, AZ 857191700953908
- Sabrina Ho, MDTucson, AZ 857191255020087
- Matthew Reif, MDTucson, AZ 857191114505856
- Sasha Taleban, MDTucson, AZ 857191720197577
- Ibrahim Yaghnam, MDTucson, AZ 857191780175679
Common questions
What is Mahak Chauhan, M.D.'s NPI number?
Mahak Chauhan, M.D.'s National Provider Identifier (NPI) is 1497288419, issued on Apr 6, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mahak Chauhan, M.D. located?
The NPPES record lists a practice address at 1625 N Campbell Ave, Tucson, AZ, 85719. Phone: (520) 874-2800. Providers update this record themselves, so call before visiting.
How can I verify Mahak Chauhan, M.D.'s license?
NPPES lists Arizona license number 77101, 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 Mahak Chauhan, M.D. prescribe under Medicare Part D?
In 2024, Mahak Chauhan, M.D. had 58 Medicare Part D claims for 24 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.