Gary Lloyd Massad, MD
Occupational Medicine Physician · Oklahoma City, OK
Gary Lloyd Massad, MD is an occupational medicine physician with a practice address in Oklahoma City, Oklahoma, and NPI 1851509236, issued on May 18, 2007. Check the license (Oklahoma 10889, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Gary Lloyd Massad
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- 10889 OK
Self-reported in NPPES; status is on the state search - Practice location
- 7501 N Country Club Drive, Oklahoma City, OK 73116
- Phone
- (405) 843-3193
- Enumerated
- May 18, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (405) 843-1857
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 28 in Oklahoma → Look up another NPI →
Verify Gary Lloyd Massad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 10889Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average occupational medicine physician in 2024
11 Medicare Part D claims, against an average of 794 among the 463 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $266.23
7 payments; by number, the most common kind was food and beverage; the largest payer was Supernus Pharmaceuticals, Inc. The 193 providers of this specialty with any payment received $2,381.67 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.
Gary Lloyd Massad among 28 occupational medicine physician records in Oklahoma
Gary Lloyd Massad, MD is one of 28 occupational medicine physician records with a practice address in Oklahoma. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 39% of them.
- NPI issued2007 · 39% of these records are older, 18% newer
- In a Medicare fileYes · 36% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2007 · 82% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in Oklahoma
There are 28 occupational medicine physician records in Oklahoma.
All 28 in Oklahoma → Every provider in Oklahoma City → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- David HardyTinker Air Force Base, OK 731181518928407
- Angel Rivera, M.D.Oklahoma City, OK 731141861511396
- Myron Mills, M.D.Oklahoma City, OK 731081174650782
- Randel Estep, DOOklahoma City, OK 731271073512711
- William Jones IV, M.D.Oklahoma City, OK 731031073694907
- Leroy Young, DOOklahoma City, OK 731031659613305
- Robert Swicord, M.D.Oklahoma City, OK 731341417120023
- Jeffrey Pardee, M.D.Oklahoma City, OK 731391245361500
Common questions
What is Gary Lloyd Massad, MD's NPI number?
Gary Lloyd Massad, MD's National Provider Identifier (NPI) is 1851509236, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Lloyd Massad, MD located?
The NPPES record lists a practice address at 7501 N Country Club Drive, Oklahoma City, OK, 73116. Phone: (405) 843-3193. Providers update this record themselves, so call before visiting.
How can I verify Gary Lloyd Massad, MD's license?
NPPES lists Oklahoma license number 10889, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary Lloyd Massad, MD prescribe under Medicare Part D?
In 2024, Gary Lloyd Massad, MD had 11 Medicare Part D claims; the average among occupational medicine physician prescribers was 794. 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.