CURTIS E HARRIS MD
NPI 1235116013
Family Medicine in Ada, OK
About Curtis E Harris Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CURTIS E HARRIS MD (NPI 1235116013) is an individual family medicine provider in Ada, Oklahoma, licensed in Oklahoma (11555) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Ada, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Curtis E Harris Md 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 Reassignment
Medicare enrollment records show Curtis Harris reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ada, OK 74820
- Reassigned Medicare billing, Oklahoma enrollment
- 57 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Ada
Acute Care Hospitals · Ada, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74820 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Curtis Harris's NPI number?
The NPI number for Curtis Harris is 1235116013. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Curtis Harris located?
Curtis Harris practices at 1221 Arlington St Ste B, Ada, OK 74820. The listed phone number is (580) 436-5111.
What is Curtis Harris's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Curtis Harris enrolled in Medicare?
Yes. Curtis Harris 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 organization bills Medicare for Curtis Harris's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Curtis Harris reassigns Medicare benefits to Central Oklahoma Family Medical Center, Inc. (Ada, OK). The 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 Curtis Harris's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Curtis Harris accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Curtis Harris 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 Curtis Harris affiliated with any hospitals?
According to CMS data, Curtis Harris is affiliated with Mercy Hospital Ada.
When was this NPI record last updated?
The NPPES record for Curtis Harris was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.
# Curtis E Harris, MD · NPI 1235116013
Family Medicine physician in Ada, Oklahoma. Individual provider, active in the CMS NPPES registry since December 22, 2005.
## Identity
- **NPI:** 1235116013 (Entity type: Individual)
- **Enumerated:** December 22, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 11555 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1221 ARLINGTON ST STE B, Ada, OK 74820-4067
- **Phone:** (580) 436-5111 · **Fax:** (580) 436-1159
## 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:** Central Oklahoma Family Medical Center, Inc. (NPI 1154704237, Ada, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 1973
## Record status
- **NPPES last updated:** August 21, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235116013) · Data from the CMS NPPES public registry.