NPPES file of Aug 9, 2026

John O. Mason, MD

Ophthalmology Physician · Birmingham, AL

John O. Mason, MD is an ophthalmology physician with a practice address in Birmingham, Alabama, and NPI 1336124015, issued on Dec 14, 2005. Check the license (Alabama 15867, as entered in NPPES) on the Alabama Board of Medical Examiners; 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
1336124015
Name
John O. Mason
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
15867 AL
Self-reported in NPPES; status is on the state search
Practice location
700 18TH St S, Birmingham, AL 35233
Phone
(205) 329-7100
Enumerated
Dec 14, 2005
Record last updated
Jun 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(205) 329-7101
Medicaid ID
529423900 AL
Medicare enrollment
Enrolled (PECOS I20040930000604); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 1990
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 700 18TH St S

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

  1. Michael Albert, MDOphthalmology Physician1730165325
  2. Joy Chuang, O.D.Optometrist1225477466
  3. Andrew Everett, MDOphthalmology Physician1821070764
  4. Richard Feist, MDOphthalmology Physician1114903556
  5. Marcela Frazier, O.D.Optometrist1932114311
  6. Jennifer Gibson, ODOptometrist1134974397

Verify John O. Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlabama Board of Medical Examiners
    Search for license 15867
    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 Alabama license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2% more Medicare Part D claims than the average ophthalmology physician in 2024

1,547 Medicare Part D claims for 502 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. John Mason1,547
  2. Specialty average1,518

Most prescribed

  1. Ketorolac Tromethamine422 claims
  2. Neomycin-Polymyxin-Dexameth254 claims
  3. Dorzolamide-Timolol201 claims
  4. Prednisolone Acetate159 claims
  5. Latanoprost135 claims
  6. Timolol Maleate71 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  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: $691.80

8 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.

  1. John Mason$691.80
  2. Specialty average$4,535.02

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. Retina Consultants OF Alabama P.C.Vestavia Hills, AL

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

John O. Mason among 234 ophthalmology physician records in Alabama

John O. Mason, MD is one of 234 ophthalmology physician records with a practice address in Alabama. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 75% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1990 · median 1999 among the 148 with a school on file
  • Record last updated2010 · 65% 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 Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Alabama

There are 234 ophthalmology physician records in Alabama.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Michael Albert, MDBirmingham, AL 352331730165325
  2. Ann Marie Arciniegas-Bernal, M.D.Birmingham, AL 352331609089804
  3. Michael Callahan, MDBirmingham, AL 352331902892151
  4. Martin Cogen, MDBirmingham, AL 352331952345134
  5. Robert Crain, MDBirmingham, AL 352331295771699
  6. Andrew Everett, MDBirmingham, AL 352331821070764
  7. Richard Feist, MDBirmingham, AL 352331114903556
  8. Priscilla Fowler, M.D.Birmingham, AL 352331851398093

Common questions

What is John O. Mason, MD's NPI number?

John O. Mason, MD's National Provider Identifier (NPI) is 1336124015, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John O. Mason, MD located?

The NPPES record lists a practice address at 700 18TH St S, Birmingham, AL, 35233. Phone: (205) 329-7100. Providers update this record themselves, so call before visiting.

How can I verify John O. Mason, MD's license?

NPPES lists Alabama license number 15867, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John O. Mason, MD prescribe under Medicare Part D?

In 2024, John O. Mason, MD had 1,547 Medicare Part D claims for 502 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is John O. Mason, MD's MIPS final score?

The 2023 MIPS final score is 100 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.