Raymond Gregory Mason, MD
Family Medicine Physician · Wooster, OH
Raymond Gregory Mason, MD is a family medicine physician with a practice address in Wooster, Ohio, and NPI 1609874403, issued on Jul 14, 2005. Check the license (Ohio 35077914M, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Raymond Gregory Mason
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 35077914M OH
Self-reported in NPPES; status is on the state search - Practice location
- 128 E Milltown RD, Wooster, OH 44691
- Phone
- (330) 345-2008
- Enumerated
- Jul 14, 2005
- Record last updated
- Jan 4, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (330) 345-0056
- Medicaid ID
- 2211645 OH
- Medicare enrollment
- Enrolled (PECOS I20100510000066); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 128 E Milltown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Barner, NP-CFamily Nurse Practitioner1467003673
- Anthony Calabretta, M.D.Surgery Physician1003106089
- Dennis Helmuth, MDChild & Adolescent Psychiatry Physician1609846211
- Kathryn Helmuth, M.D.Pediatrics Physician1659305647
- Vincent Jabour, M.D.Gastroenterology Physician1841270766
- Amy Jolliff, MDFamily Medicine Physician1043314685
Verify Raymond Gregory Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35077914MCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average family medicine physician in 2024
12,746 Medicare Part D claims for 795 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 88 claims were for opioids.
Most prescribed
- Amlodipine Besylate588 claims
- Atorvastatin Calcium574 claims
- Lisinopril494 claims
- Pantoprazole Sodium408 claims
- Levothyroxine Sodium375 claims
- Simvastatin309 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.
Bills Medicare through one group practice
- Mercy Professional Care, LLCCanton, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raymond Gregory Mason among 5,606 family medicine physician records in Ohio
Raymond Gregory Mason, MD is one of 5,606 family medicine physician records with a practice address in Ohio. 80% 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, 82% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · median 2005 among the 3,510 with a school on file
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family medicine physician records list a practice address in Wooster
They are 24 of the 2,269 NPPES records with a practice address in Wooster, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Wooster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dale Angerman, MDWooster, OH 446911538125356
- Brian Beam, MDWooster, OH 446911437115839
- Dennis Davis, D.O.Wooster, OH 446911083670350
- Scott Hannan, MDWooster, OH 446911366491797
- Jodi Hannan, MDWooster, OH 446911396795670
- Amy Jolliff, MDWooster, OH 446911043314685
- Jeffery Kontak, MDWooster, OH 446911629069133
- John Miller, MDWooster, OH 446911104910330
Common questions
What is Raymond Gregory Mason, MD's NPI number?
Raymond Gregory Mason, MD's National Provider Identifier (NPI) is 1609874403, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Raymond Gregory Mason, MD located?
The NPPES record lists a practice address at 128 E Milltown RD, Wooster, OH, 44691. Phone: (330) 345-2008. Providers update this record themselves, so call before visiting.
How can I verify Raymond Gregory Mason, MD's license?
NPPES lists Ohio license number 35077914M, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Raymond Gregory Mason, MD prescribe under Medicare Part D?
In 2024, Raymond Gregory Mason, MD had 12,746 Medicare Part D claims for 795 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.