Jonathan Massey, MD
Internal Medicine Physician · Oxford, MS
Jonathan Massey, MD is an internal medicine physician with a practice address in Oxford, Mississippi, and NPI 1699745133, issued on Jan 26, 2006. Check the license (Mississippi 13545, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Jonathan Massey
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 13545 MS
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Access RD, Oxford, MS 38655
- Phone
- (662) 232-8005
- Enumerated
- Jan 26, 2006
- Entity
- Type 1 · individual
Verify Jonathan Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 13545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
350 Medicare Part D claims for 184 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Levofloxacin22 claims
- Furosemide19 claims
- Ketorolac Tromethamine19 claims
- Tramadol Hcl19 claims
- Amoxicillin-Clavulanate Potass14 claims
- Hydrocodone-Acetaminophen14 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: $60.62
2 payments, mostly food and beverage; the largest payer was Abbott Laboratories. The 65,274 providers of this specialty with any payment received $2,536.66 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.
2 hospital and facility affiliations
- Dobbs Emergency Group, LLCCalhoun City, MS
- Yalobusha General HospitalWater Valley, MS · Acute Care Hospitals
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
28 internal medicine physician records list a Oxford practice address
They are 28 of the 1,418 NPPES records with a Oxford practice address, and 948 internal medicine physician records in Mississippi.
All 28 in Oxford → All 948 in Mississippi → Every provider in Oxford →
Other internal medicine physician records in Mississippi
- Aja Abai, M.D.McComb, MS1760492037
- Elias Abboud, MDLexington, MS1669485983
- Mohamed Abdel Latif, MDColumbus, MS1922843549
- Ashraf Abdo, MDJackson, MS1770597049
- John AbernathyJackson, MS1700670650
- Richard Abney, M.D.Meridian, MS1710986591
- George Abraham, M.D.Jackson, MS1518052257
- Joy AbrahamBiloxi, MS1225795842
- Ralph Abraham, M.D.Tupelo, MS1881049443
- Ekow Acquah, MDGulfport, MS1013922814
Common questions
What is Jonathan Massey, MD's NPI number?
Jonathan Massey, MD's National Provider Identifier (NPI) is 1699745133, issued on Jan 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Massey, MD located?
The NPPES record lists a practice address at 1300 Access RD, Oxford, MS, 38655. Phone: (662) 232-8005. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Massey, MD's license?
NPPES lists Mississippi license number 13545, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jonathan Massey, MD prescribe under Medicare Part D?
In 2024, Jonathan Massey, MD had 350 Medicare Part D claims for 184 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.