JOHN JOSIAH HARRISON D.O.
NPI 1386630499
Emergency Medicine in Duncan, OK
About John Josiah Harrison D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN JOSIAH HARRISON D.O. (NPI 1386630499) is an individual emergency medicine provider in Duncan, Oklahoma, licensed in Oklahoma (3914) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Integris Community Hospital - Council Crossing, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
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 Josiah Harrison D.o. 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
5Medicare enrollment records show John Harrison reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anadarko, OK 73005
- Reassigned Medicare billing, Texas enrollment
- 177 clinicians in this Medicare group
Sulphur, OK 73086
- Reassigned Medicare billing, Oklahoma enrollment
- 66 clinicians in this Medicare group
Norman, OK 73071
- Reassigned Medicare billing, Oklahoma enrollment
- 418 clinicians in this Medicare group
Moore, OK 73160
- Reassigned Medicare billing, Oklahoma enrollment
- 30 clinicians in this Medicare group
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- 298 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.
Integris Community Hospital - Council Crossing
Acute Care Hospitals · Oklahoma City, OKArbuckle Memorial Hospital
Critical Access Hospitals · Sulphur, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73533 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DUNCAN, OK 73533
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 Harrison's NPI number?
The NPI number for John Harrison is 1386630499. It was assigned to this individual provider in the NPPES registry on September 23, 2005.
Where is John Harrison located?
John Harrison practices at 1407 N Whisenant Dr, Duncan, OK 73533. The listed phone number is (580) 251-8458.
What is John Harrison's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is John Harrison enrolled in Medicare?
Yes. John Harrison 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 Harrison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Harrison reassigns Medicare benefits to 5 organizations: Anadarko Indian Health Center (Anadarko, OK), Arbuckle Memorial Hospital (Sulphur, OK), Emergency Services Of Oklahoma PC (Norman, OK), Healthcare Express, LLP (Moore, OK) and South Central Emergency Services PC (Stillwater, OK). 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 Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Harrison accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list John Harrison 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 Harrison affiliated with any hospitals?
According to CMS data, John Harrison is affiliated with Integris Community Hospital - Council Crossing and Arbuckle Memorial Hospital.
When was this NPI record last updated?
The NPPES record for John Harrison was last updated on January 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 Josiah Harrison, D.O. · NPI 1386630499
Emergency Medicine physician in Duncan, Oklahoma. Individual provider, active in the CMS NPPES registry since September 23, 2005.
## Identity
- **NPI:** 1386630499 (Entity type: Individual)
- **Enumerated:** September 23, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 3914 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1407 N WHISENANT DR, Duncan, OK 73533-1650
- **Phone:** (580) 251-8458
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Anadarko Indian Health Center (NPI 1881637403, Anadarko, OK); Arbuckle Memorial Hospital (NPI 1700869492, Sulphur, OK); Emergency Services Of Oklahoma PC (NPI 1215249891, Norman, OK); Healthcare Express, LLP (NPI 1467962332, Moore, OK); South Central Emergency Services PC (NPI 1558663724, Stillwater, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oklahoma State University College Of Osteopathic Medicine, class of 1999
## Record status
- **NPPES last updated:** January 16, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1386630499) · Data from the CMS NPPES public registry.