Roy Mack Greenway, MD, FACS
Surgery Physician · Oklahoma City, OK
Roy Mack Greenway, MD, FACS is a surgery physician with a practice address in Oklahoma City, Oklahoma, and NPI 1639219108, issued on Feb 7, 2007. Check the license (Oklahoma 23986, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Roy Mack Greenway
- Credential
- MD, FACS
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 23986 OK
Self-reported in NPPES; status is on the state search - Practice location
- 401 SW 80TH St Ste 101, Oklahoma City, OK 73139
- Phone
- (405) 601-5169
- Enumerated
- Feb 7, 2007
- Record last updated
- Nov 11, 2022
- Fax
- (405) 601-9095
- Medicaid ID
- 200196600A OK
- Medicare enrollment
- Enrolled (PECOS I20231201002269); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 348 in Oklahoma → Look up another NPI →
Also registered at 401 SW 80TH St Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin Jolliff, MDSurgery Physician1447390927
- Timothy Vavricka, MDSurgery Physician1700927175
Verify Roy Mack Greenway 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 23986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average surgery physician in 2024
138 Medicare Part D claims for 59 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 29 claims were for opioids.
Most prescribed
- Pantoprazole Sodium21 claims
- Celecoxib20 claims
- Pregabalin20 claims
- Hydrocodone-Acetaminophen16 claims
- Oxycodone-Acetaminophen12 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 MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,551.02
14 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 17,103 providers of this specialty with any payment received $3,513.80 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
- Chickasaw Nation Division OF HealthAda, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Mack Greenway among 348 surgery physician records in Oklahoma
Roy Mack Greenway, MD, FACS is one of 348 surgery physician records with a practice address in Oklahoma. 71% 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 47% of them.
- NPI issued2007 · 47% of these records are older, 43% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2004 · median 2004 among the 195 with a school on file
- Record last updated2022 · 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 208600000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Oklahoma
There are 348 surgery physician records in Oklahoma.
All 348 in Oklahoma → Every provider in Oklahoma City → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Kevin Jolliff, MDOklahoma City, OK 731391447390927
- Timothy Vavricka, MDOklahoma City, OK 731391700927175
- Laura Holsey, D.O.Oklahoma City, OK 731341700123916
- Eric Skaggs, MDOklahoma City, OK 731341366066656
- Jahanyar Makipour, Jr, MDMidwest City, OK 731301063618650
- Theodore Ruff, MDMidwest City, OK 731301477529139
- Kenneth Crawford, M.D.Oklahoma City, OK 731511801820402
- Joseph Buendia, D.O.Oklahoma City, OK 731201134308737
Common questions
What is Roy Mack Greenway, MD, FACS's NPI number?
Roy Mack Greenway, MD, FACS's National Provider Identifier (NPI) is 1639219108, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Roy Mack Greenway, MD, FACS located?
The NPPES record lists a practice address at 401 SW 80TH St Ste 101, Oklahoma City, OK, 73139. Phone: (405) 601-5169. Providers update this record themselves, so call before visiting.
How can I verify Roy Mack Greenway, MD, FACS's license?
NPPES lists Oklahoma license number 23986, 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 Roy Mack Greenway, MD, FACS prescribe under Medicare Part D?
In 2024, Roy Mack Greenway, MD, FACS had 138 Medicare Part D claims for 59 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Roy Mack Greenway, MD, FACS's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.