DR. CHARLES DENNIS KNIFE CHIEF M.D.
NPI 1760405740
Obstetrics & Gynecology in Owasso, OK
About Dr. Charles Dennis Knife Chief M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CHARLES DENNIS KNIFE CHIEF M.D. (NPI 1760405740) is an individual obstetrics & gynecology provider in Owasso, Oklahoma, licensed in Oklahoma (14319) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Cherokee Nation W W Hastings Indian Hospital, and is a graduate of University Of California, San Diego School Of Medicine (1982).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. Charles Dennis Knife Chief 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 Charles Knife Chief reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Claremore, OK 74017
- Reassigned Medicare billing, Texas enrollment
- 1,047 clinicians in this Medicare group
Tulsa, OK 74104
- Reassigned Medicare billing, Oklahoma enrollment
- 820 clinicians in this Medicare group
Martin, SD 57551
- Reassigned Medicare billing, Texas enrollment
- 426 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Cherokee Nation W W Hastings Indian Hospital
Acute Care Hospitals · Tahlequah, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74055 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OWASSO, OK 74055
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 Charles Knife Chief's NPI number?
The NPI number for Charles Knife Chief is 1760405740. It was assigned to this individual provider in the NPPES registry on July 25, 2006.
Where is Charles Knife Chief located?
Charles Knife Chief practices at 12455 E 100th St N Ste 220, Owasso, OK 74055. The listed phone number is (918) 274-5555.
What is Charles Knife Chief's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Charles Knife Chief enrolled in Medicare?
Yes. Charles Knife Chief 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 Charles Knife Chief's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Knife Chief reassigns Medicare benefits to 3 organizations: Cherokee Nation (Claremore, OK), St. John Physicians, Inc. (Tulsa, OK) and Pine Ridge Indian Health Service Hospital (Martin, SD). 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 Charles Knife Chief's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Knife Chief accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Charles Knife Chief 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 Charles Knife Chief affiliated with any hospitals?
According to CMS data, Charles Knife Chief is affiliated with Cherokee Nation W W Hastings Indian Hospital.
When was this NPI record last updated?
The NPPES record for Charles Knife Chief was last updated on May 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Charles Dennis Knife Chief, M.D. · NPI 1760405740
Obstetrics & Gynecology physician in Owasso, Oklahoma. Individual provider, active in the CMS NPPES registry since July 25, 2006.
## Identity
- **NPI:** 1760405740 (Entity type: Individual)
- **Enumerated:** July 25, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 14319 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 12455 E 100TH ST N, STE 220, Owasso, OK 74055-4674
- **Phone:** (918) 274-5555 · **Fax:** (918) 293-3167
## 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): Cherokee Nation (NPI 1497568968, Claremore, OK); St. John Physicians, Inc. (NPI 1336194406, Tulsa, OK); Pine Ridge Indian Health Service Hospital (NPI 1003208257, Martin, SD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 1982
## Record status
- **NPPES last updated:** May 1, 2013
- **Other identifiers:** Medicare UPIN A51981 (OK); Medicaid 100213610A (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1760405740) · Data from the CMS NPPES public registry.