JOHN C. ALLEN M.D.
NPI 1417275652
Internal Medicine - Hematology & Oncology in Oxford, MS
About John C. Allen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN C. ALLEN M.D. (NPI 1417275652) is an individual hematology & oncology provider in Oxford, Mississippi, licensed in Mississippi (24648) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Baptist Memorial Hospital Union County, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John C. Allen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show John Allen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oxford, MS 38655
- Reassigned Medicare billing, Mississippi enrollment
- 46 clinicians in this Medicare group
New Albany, MS 38652
- Reassigned Medicare billing, Mississippi enrollment
- 94 clinicians in this Medicare group
Memphis, TN 38125
- Reassigned Medicare billing, Mississippi enrollment
- 494 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 10
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baptist Memorial Hospital Union County
Acute Care Hospitals · New Albany, MSBaptist Memorial Hospital North Ms
Acute Care Hospitals · Oxford, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 38655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 5
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OXFORD, MS 38655
OXFORD, MS 38655
OXFORD, MS 38655
OXFORD, MS 38655
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Allen's NPI number?
The NPI number for John Allen is 1417275652. It was assigned to this individual provider in the NPPES registry on May 12, 2010.
Where is John Allen located?
John Allen practices at 504 Azalea Dr Ste A, Oxford, MS 38655. The listed phone number is (662) 236-7738.
What is John Allen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is John Allen enrolled in Medicare?
Yes. John Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Allen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Allen reassigns Medicare benefits to 3 organizations: Baptist Memorial Hospital North Mississippi, Inc (Oxford, MS), Baptist Memorial Hospital Union County, Inc. (New Albany, MS) and Baptist Memorial Medical Group Inc (Memphis, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Allen accept?
Health plans from Molina Healthcare, Oscar Health Plan, Inc., Oscar Insurance Company and UnitedHealthcare list John Allen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Allen affiliated with any hospitals?
According to CMS data, John Allen is affiliated with Baptist Memorial Hospital Union County and Baptist Memorial Hospital North Ms.
When was this NPI record last updated?
The NPPES record for John Allen was last updated on June 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John C. Allen, M.D. · NPI 1417275652
Hematology & Oncology physician in Oxford, Mississippi. Individual provider, active in the CMS NPPES registry since May 12, 2010.
## Identity
- **NPI:** 1417275652 (Entity type: Individual)
- **Enumerated:** May 12, 2010
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 24648 (Mississippi)
- **Sole proprietor:** No
## Practice location
- **Address:** 504 AZALEA DR STE A, Oxford, MS 38655-5397
- **Phone:** (662) 236-7738 · **Fax:** (662) 236-9642
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Baptist Memorial Hospital North Mississippi, Inc (NPI 1053375576, Oxford, MS); Baptist Memorial Hospital Union County, Inc. (NPI 1780648352, New Albany, MS); Baptist Memorial Medical Group Inc (NPI 1306089206, Memphis, TN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Mississippi School Of Medicine, class of 2010
## Record status
- **NPPES last updated:** June 4, 2021
- **Other identifiers:** Medicaid 05001549 (MS)
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Source: [NPI Profile](https://npiprofile.com/npi/1417275652) · Data from the CMS NPPES public registry.