NPPES file of Aug 9, 2026

Mahmood El-Gasim, MD

Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician · Phoenix, AZ

Mahmood El-Gasim, MD is a uveitis and ocular inflammatory disease (ophthalmology) physician with a practice address in Phoenix, Arizona, and NPI 1477814739, issued on Jun 4, 2012. Check the license (Arizona 53975, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477814739
Name
Mahmood El-Gasim
Credential
MD
Primary taxonomy
Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician 207WX0108X
License number
53975 AZ
Self-reported in NPPES; status is on the state search
Practice location
4800 N 22ND St, Phoenix, AZ 85016
Phone
(602) 955-1000
Enumerated
Jun 4, 2012
Record last updated
May 7, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(602) 508-4830
Medicaid ID
254851 AZ
Medicare enrollment
Enrolled (PECOS I20170420001986); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4800 N 22ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Shivi Agrawal, M.D.Ophthalmology Physician1528379245
  2. Suhail Alam, M.D.Retina Specialist (Ophthalmology) Physician1316922818
  3. Aaron Amacher, M.D.Ophthalmology Physician1700856283
  4. Jared Anderson, O.D.Optometrist1528044419
  5. Ijeoma Asota, MDCornea and External Diseases Specialist Physician1346405321
  6. Neil Atodaria, MDGlaucoma Specialist (Ophthalmology) Physician1619933363

Verify Mahmood El-Gasim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 53975
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

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34% fewer Medicare Part D claims than the average uveitis and ocular inflammatory disease (ophthalmology) physician in 2024

609 Medicare Part D claims for 193 beneficiaries, against an average of 916 among the 45 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.

  1. Mahmood El-Gasim609
  2. Specialty average916

Most prescribed

  1. Prednisolone Acetate248 claims
  2. Diclofenac Sodium95 claims
  3. Latanoprost58 claims
  4. Ofloxacin41 claims
  5. Timolol Maleate35 claims
  6. Brimonidine Tartrate19 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): 84.1 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.

  1. Qualityout of 100 · 30% of the final score93.9
  2. Costout of 100 · 30%53.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $631.44

16 payments; by number, the most common kind was food and beverage; the largest payer was Alimera Sciences, Inc. The 42 providers of this specialty with any payment received $10,742.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mahmood El-Gasim$631
  2. Specialty average$10,742

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

  1. Barnet Dulaney Perkins Eye Center, PCPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Uveitis and Ocular Inflammatory Disease (Ophthalmology) Physician providers in Arizona

There are 2 uveitis and ocular inflammatory disease (ophthalmology) physician records in Arizona.

The 1 uveitis and ocular inflammatory disease (ophthalmology) physician record with the nearest ZIP codes

  1. Alexander ShuskoScottsdale, AZ 852591679009310

Common questions

What is Mahmood El-Gasim, MD's NPI number?

Mahmood El-Gasim, MD's National Provider Identifier (NPI) is 1477814739, issued on Jun 4, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Mahmood El-Gasim, MD located?

The NPPES record lists a practice address at 4800 N 22ND St, Phoenix, AZ, 85016. Phone: (602) 955-1000. Providers update this record themselves, so call before visiting.

How can I verify Mahmood El-Gasim, MD's license?

NPPES lists Arizona license number 53975, 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 Mahmood El-Gasim, MD prescribe under Medicare Part D?

In 2024, Mahmood El-Gasim, MD had 609 Medicare Part D claims for 193 beneficiaries; the average among uveitis and ocular inflammatory disease (ophthalmology) physician prescribers was 916. Part D covers Medicare prescriptions only.

What is Mahmood El-Gasim, MD's MIPS final score?

The 2023 MIPS final score is 84.1 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.