Robert L. Mahanti, M.D.
Ophthalmology Physician · Flagstaff, AZ
Robert L. Mahanti, M.D. is an ophthalmology physician with a practice address in Flagstaff, Arizona, and NPI 1730146499, issued on Apr 27, 2006. Check the license (Arizona 20847, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Robert L. Mahanti
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 20847 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 900 N San Francisco St, Flagstaff, AZ 86001
- Phone
- (928) 779-7000
- Enumerated
- Apr 27, 2006
- Record last updated
- Apr 25, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 110510 AZ
- Medicare enrollment
- Enrolled (PECOS I20050609001181); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 353 in Arizona → Look up another NPI →
Also registered at 900 N San Francisco St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lexi Kortsen, ODOptometrist1558987644
Verify Robert L. Mahanti in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 20847Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average ophthalmology physician in 2024
1,807 Medicare Part D claims for 522 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost457 claims
- Tobramycin-Dexamethasone373 claims
- Timolol Maleate264 claims
- Brimonidine Tartrate112 claims
- Neomycin-Polymyxin-Dexameth72 claims
- Dorzolamide-Timolol57 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 41.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $926.93
24 payments; by number, the most common kind was food and beverage; the largest payer was RxSight Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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 2 group practices
- Northern Arizona Eye AssociatesFlagstaff, AZ
- The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert L. Mahanti among 353 ophthalmology physician records in Arizona
Robert L. Mahanti, M.D. is one of 353 ophthalmology physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 41% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 2000 among the 220 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Arizona
There are 353 ophthalmology physician records in Arizona.
All 353 in Arizona → Every provider in Flagstaff → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- David Felsted, D.O.Flagstaff, AZ 860011467814830
- Brendan Girschek, MDFlagstaff, AZ 860011194915710
- David McGarey, M.D.Flagstaff, AZ 860011538173729
- Julie Skaggs, MDTuba City, AZ 860451306061320
- John Knippers, MDShow Low, AZ 859011063608917
- Mark Griswold, D.O.Oro Valley, AZ 857551336200039
- Nadezhda Bolton, D.OTucson, AZ 857461689037509
- Ronald Johnson, M.D.Tucson, AZ 857461467532309
Common questions
What is Robert L. Mahanti, M.D.'s NPI number?
Robert L. Mahanti, M.D.'s National Provider Identifier (NPI) is 1730146499, issued on Apr 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert L. Mahanti, M.D. located?
The NPPES record lists a practice address at 900 N San Francisco St, Flagstaff, AZ, 86001. Phone: (928) 779-7000. Providers update this record themselves, so call before visiting.
How can I verify Robert L. Mahanti, M.D.'s license?
NPPES lists Arizona license number 20847, 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 Robert L. Mahanti, M.D. prescribe under Medicare Part D?
In 2024, Robert L. Mahanti, M.D. had 1,807 Medicare Part D claims for 522 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Robert L. Mahanti, M.D.'s MIPS final score?
The 2023 MIPS final score is 41.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.