John C. Allen, M.D.
Hematology & Oncology Physician · Oxford, MS
John C. Allen, M.D. is a hematology & oncology physician with a practice address in Oxford, Mississippi, and NPI 1417275652, issued on May 12, 2010. Check the license (Mississippi 24648, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John C. Allen
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 24648 MS
51509 TN
0101254562 VA
Self-reported in NPPES; status is on the state search - Practice location
- 504 Azalea Dr Ste A, Oxford, MS 38655
- Phone
- (662) 236-7738
- Enumerated
- May 12, 2010
- Record last updated
- Jun 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (662) 236-9642
- Medicaid ID
- 05001549 MS
- Medicare enrollment
- Enrolled (PECOS I20170919003718); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 64 in Mississippi → Look up another NPI →
Also registered at 504 Azalea Dr Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Benefield, MDHematology & Oncology Physician1245694116
- Hillary Daugherty, MDHematology & Oncology Physician1265994842
- Kirk Eddleman, M.D.Rheumatology Physician1821209784
- Micaela Perkins, BSN, RN, MSN, NP-CNurse Practitioner1598130114
- Elizabeth Sheley, NPFamily Nurse Practitioner1548875917
- Leigh Van Devender, APRNGerontology Nurse Practitioner1376198192
Verify John C. Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 24648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average hematology & oncology physician in 2024
1,991 Medicare Part D claims for 274 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims. 166 claims were for opioids.
Most prescribed
- Letrozole142 claims
- Potassium Chloride136 claims
- Tamoxifen Citrate116 claims
- Ondansetron Odt112 claims
- Hydrocodone-Acetaminophen83 claims
- Acyclovir79 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): 76.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,580.56
190 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 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 2 group practices
- Baptist Memorial Hospital Union County, Inc.Oxford, MS
- Baptist Memorial Medical Group, Inc.Oxford, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Allen among 64 hematology & oncology physician records in Mississippi
John C. Allen, M.D. is one of 64 hematology & oncology physician records with a practice address in Mississippi. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 72% of them.
- NPI issued2010 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2010 · median 2002 among the 52 with a school on file
- Record last updated2021 · 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 207RH0003X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Mississippi
There are 64 hematology & oncology physician records in Mississippi.
All 64 in Mississippi → Every provider in Oxford → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Andrew Benefield, MDOxford, MS 386551245694116
- Hillary Daugherty, MDOxford, MS 386551265994842
- Dennis Morgan, M.D.Oxford, MS 386551194723965
- Benton Wheeler, MDOxford, MS 386551760415608
- Ryan Yates, M.D.Oxford, MS 386551770870289
- Syed Azmi, MDSouthaven, MS 386711922203082
- Sonia Benn, MDSouthaven, MS 386711801825781
- Sohail Minhas, MDSouthaven, MS 386711053303750
Common questions
What is John C. Allen, M.D.'s NPI number?
John C. Allen, M.D.'s National Provider Identifier (NPI) is 1417275652, issued on May 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is John C. Allen, M.D. located?
The NPPES record lists a practice address at 504 Azalea Dr Ste A, Oxford, MS, 38655. Phone: (662) 236-7738. Providers update this record themselves, so call before visiting.
How can I verify John C. Allen, M.D.'s license?
NPPES lists Mississippi license number 24648, 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 John C. Allen, M.D. prescribe under Medicare Part D?
In 2024, John C. Allen, M.D. had 1,991 Medicare Part D claims for 274 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is John C. Allen, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 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.