NPI registry status
Active
2026 NPPES data Obstetrics & Gynecology Physician NPI 1760405740 M.D.
Verify on CMS → Charles Knife Chief, M.D.
Obstetrics & Gynecology Physician in Owasso, Oklahoma.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 44,326 in Obstetrics & Gynecology Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
83
Medicare Part D claims · 32 beneficiaries · Obstetrics & Gynecology Physician avg: 179
Generic prescribing
49%
generic claims · 51% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
78.8/100
▼ 5 pts below national avg 83.5 · Above neutral
Source: CMS Medicare Part D Prescriber Public Use File, 2023
What the federal data shows
Charles Knife Chief, M.D. reported a CMS MIPS final score of 78.8/100 - below the 83.5 national average - and filed 83 Medicare Part D claims in 2023.
- 78.8/100
- MIPS score · -5 vs avg
- 83
- Part D claims, 2023
- 49%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Charles Knife Chief, M.D.'s MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
79 ≥ 23rd percentile 23% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where Charles Knife Chief, M.D. sits
This provider among obstetrics & gynecology physician peers
Across the 7,360 obstetrics & gynecology physician providers who report both Medicare Part D prescribing and a MIPS quality score, Charles Knife Chief, M.D. writes more Part D claims than 43% of them and scores higher on MIPS quality than 22% - placing this provider in the lower-volume, lower-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one obstetrics & gynecology physician peer from a representative sample of 60; the gold marker is Charles Knife Chief, M.D.. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
Charles Knife Chief, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting + 1 hospital affiliation - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about Charles Knife Chief, M.D.?
Near national averagePrimary specialty
Obstetrics & Gynecology Physician
Medicare Part D claims
83 54% vs specialty avg
MIPS final score
78.8/100 4.7 pts vs avg
Specialty distribution in Oklahoma
How Obstetrics & Gynecology Physician compares to other specialties among Oklahoma providers
Medicare quality performance, MIPS
Charles Knife Chief, M.D.'s 2023 MIPS final score plotted against the Obstetrics & Gynecology Physician national average
- MIPS Final Score
- 78.8/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Charles Knife Chief, M.D. appears in the CMS NPPES registry as an Obstetrics & Gynecology Physician provider holding M.D. credentials at 12455 E 100TH ST N, Owasso, OK, 74055, with a listed phone of (918) 274-5555. NPI 1760405740 was issued on 07/25/2006.
Medicare Part D records for calendar year 2023 show 83 prescription claims written by this provider, covering 32 Medicare beneficiaries and totaling roughly $4K in drug spend, split 51% brand-name and 49% generic by claim count, with an opioid prescribing rate of 14.5%. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 78.8/100 for the 2023 performance year (Quality 61.6, Cost 65.1), compared with the 83.5 average among clinicians with a measured score.
Obstetrics & Gynecology Physician is a mid-sized specialty nationwide, with 44,326 enrolled providers across 56 states and an average of 179 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline.
Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist, always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1760405740 |
|---|---|
| Specialty | Obstetrics & Gynecology Physician |
| Credentials | M.D. |
| Gender | Male |
| NPI Issued | 07/25/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
78.7505
Final Score
Measured-score avg: 83.5
61.5971
Quality
65.1189
Cost
98
Promoting Interoperability
Reporting: Group practice
Hospital and facility affiliations
Facilities where Charles Knife Chief, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" - a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Cherokee Nation
Tahlequah, OK
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Brand-heavy
Charles Knife Chief, M.D. - brand share 51.0%
Obstetrics & Gynecology Physician average
51% brand-name claims vs 49% generic, on 83 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
83
Total Claims
$4K
Total Drug Cost
32
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 86
- Total Day Supply
- 1,762
- Brand vs Generic
- 51% brand / 49% generic
- Brand Drug Cost
- $4K
- Generic Drug Cost
- $376
- Opioid Claims
- 12 (14.5% rate)
Patient Demographics
- Average Patient Age
- 64.9 years
- Avg HCC Risk Score
- 1.04
- Gender Split
- 100% female / 0% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Tolterodine Tartrate Er Tolterodine Tartrate | 17 |
| Oxycodone-Acetaminophen Oxycodone Hcl/Acetaminophen | 11 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Obstetrics & Gynecology Physician Overview
How Charles Knife Chief, M.D. fits within the Obstetrics & Gynecology Physician landscape nationally.
44,326
Obstetrics & Gynecology Physician Providers in US
56
States with Obstetrics & Gynecology Physician
179
Avg Claims per Provider
Charles Knife Chief, M.D.'s 83 claims are below the specialty average of 179.
Nearby Obstetrics & Gynecology Physician Providers in Oklahoma
Other clinicians with the same primary specialty enrolled in Oklahoma, drawn from the same CMS NPPES roster as Knife Chief.
Dr. Eddie Abbott
M.D.
Tulsa, OK
Dr. Kent Abernathy
D.O.
Tulsa, OK
Dr. April Abeyewardene
MD
Edmond, OK
Dr. Kinde Aguilar
MD
Lawton, OK
Dr. Morgan Aldridge
M.D.
Tulsa, OK
Compare Obstetrics & Gynecology Physician nationally: see state-by-state distribution →
Before you book an appointment
Use this federal record as your verification checklist, not as a recommendation.
- Confirm the NPI record is current in the official CMS registry, providers update their own NPPES details, and moves can lag. Verify this NPI
- Check the active license and any disciplinary history with the Oklahoma medical board, federal registration is not a license check. Credential verification guide
- Weigh a second option: compare this provider with a nearby Obstetrics & Gynecology Physician peer on Medicare volume and prescribing patterns. Compare providers
Medicare Part D and MIPS figures describe practice patterns in federal programs only, they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.
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Frequently Asked Questions
What is Charles Knife Chief, M.D.'s specialty? ▼
Charles Knife Chief, M.D. specializes in Obstetrics & Gynecology Physician and practices in Owasso, Oklahoma. Credentials: M.D..
How much does Charles Knife Chief, M.D. prescribe under Medicare Part D? ▼
In 2023, Charles Knife Chief, M.D. wrote 83 Medicare Part D claims totaling $4K in drug costs for 32 beneficiaries.
What is Charles Knife Chief, M.D.'s Medicare quality score? ▼
Charles Knife Chief, M.D. has a CMS MIPS Final Score of 78.8/100 (Quality: 61.6, Cost: 65.1). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is Charles Knife Chief, M.D. located? ▼
Charles Knife Chief, M.D. is located at 12455 E 100TH ST N, Owasso, OK, 74055. Phone: (918) 274-5555.
What is Charles Knife Chief, M.D.'s NPI number? ▼
Charles Knife Chief, M.D.'s National Provider Identifier (NPI) is 1760405740, issued on 07/25/2006.
Does Charles Knife Chief, M.D. prescribe more brand-name or generic drugs? ▼
Charles Knife Chief, M.D.'s prescribing is 51% brand-name and 49% generic drugs by claim count, with $4K in brand drug costs.
Does Charles Knife Chief, M.D. prescribe opioids? ▼
Yes, Charles Knife Chief, M.D. had 12 opioid claims in 2023 with an opioid prescribing rate of 14.5%.
How many Obstetrics & Gynecology Physician providers are there in the US? ▼
There are 44,326 Obstetrics & Gynecology Physician providers across 56 states in the US. The average Obstetrics & Gynecology Physician provider writes 179 Medicare Part D claims per year.
What drugs does Charles Knife Chief, M.D. prescribe most often? ▼
Based on 2023 Medicare Part D data, Charles Knife Chief, M.D.'s most frequently prescribed drugs include Tolterodine Tartrate Er, Oxycodone-Acetaminophen. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Charles Knife Chief, M.D. accept Medicare? ▼
Charles Knife Chief, M.D. appears in CMS Medicare data with 83 Part D claims and 32 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Charles Knife Chief, M.D.'s credentials? ▼
Charles Knife Chief, M.D.'s NPI is 1760405740 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.