NPI registry status
Active
2026 NPPES data Critical Care Medicine (Internal Medicine) Physician NPI 1396763389 MD
Verify on CMS → John Cox, MD
Critical Care Medicine (Internal Medicine) Physician in Lawton, 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 6,631 in Critical Care Medicine (Internal Medicine) 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
582
Medicare Part D claims · 126 beneficiaries · Critical Care Medicine (Internal Medicine) Physician avg: 1K
Generic prescribing
0%
generic claims · 71% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
91.2/100
▲ 8 pts above national avg 83.1 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2023
Compiled from official public sources by the PlainDoctor editorial team.
What the federal data shows
John Cox, MD reported a CMS MIPS final score of 91.2/100 - above the 83.1 national average - and filed 582 Medicare Part D claims in 2023.
- 91.2/100
- MIPS score · +8 vs avg
- 582
- Part D claims, 2023
- 0%
- 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.
John Cox, MD's MIPS score vs every scored U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure
91 Top 37% higher than 63% of 477,587 scored providers
Each bar is a band; taller bars hold more scored 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.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where John Cox, MD sits
This provider among critical care medicine (internal medicine) physician peers
Across the 1,643 critical care medicine (internal medicine) physician providers who report both Medicare Part D prescribing and a MIPS quality score, John Cox, MD writes more Part D claims than 44% of them and scores higher on MIPS quality than 62% - placing this provider in the lower-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Part D claim volume vs MIPS quality, by specialty percentile
Each dot is one critical care medicine (internal medicine) physician peer from a representative sample of 60; the gold marker is John Cox, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
John Cox, MD 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 John Cox, MD?
High performer (top quartile)Primary specialty
Critical Care Medicine (Internal Medicine) Physician
Medicare Part D claims
582 46% vs specialty avg
MIPS final score
91.2/100 8.1 pts vs avg
Specialty distribution in Oklahoma
How Critical Care Medicine (Internal Medicine) Physician compares to other specialties among Oklahoma providers
Medicare quality performance, MIPS
John Cox, MD's 2023 MIPS final score plotted against the Critical Care Medicine (Internal Medicine) Physician national average
- MIPS Final Score
- 91.2/100
- vs 83.1 national avg · 2023 performance year
MIPS final score (Critical Care Medicine (Internal Medicine) Physician) - 91.2/100 vs national avg 83.1
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).
John Cox, MD appears in the CMS NPPES registry as a Critical Care Medicine (Internal Medicine) Physician provider holding MD credentials at 4417 W GORE BLVD, Lawton, OK, 73505, with a listed phone of (580) 248-0110. NPI 1396763389 was issued on 07/17/2006.
Medicare Part D records for calendar year 2023 show 582 prescription claims written by this provider, covering 126 Medicare beneficiaries and totaling roughly $326K in drug spend, split 71% brand-name and 0% generic by claim count. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 91.2/100 for the 2023 performance year (Quality 79.3), compared with the national average of 83.1.
Critical Care Medicine (Internal Medicine) Physician is a mid-sized specialty nationwide, with 6,631 enrolled providers across 53 states and an average of 1,069 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 | 1396763389 |
|---|---|
| Specialty | Critical Care Medicine (Internal Medicine) Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 07/17/2006 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
91.1858
Final Score
Avg: 83.1
79.2714
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
Hospital and facility affiliations
Facilities where John Cox, MD 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.
Comanche County Hospital Authority
Lawton, 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
John Cox, MD - brand share 71.0%
Critical Care Medicine (Internal Medicine) Physician average
71% brand-name claims vs 0% generic, on 582 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.
582
Total Claims
$326K
Total Drug Cost
126
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 824
- Total Day Supply
- 23,163
- Brand vs Generic
- 71% brand / 0% generic
- Brand Drug Cost
- $274K
- Antibiotic Claims
- 16
Patient Demographics
- Average Patient Age
- 72.5 years
- Avg HCC Risk Score
- 1.87
- Gender Split
- 54% female / 46% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
What John Cox, MD prescribes most
Top Medicare Part D drugs by claim count, 2023
- Trelegy Ellipta
Trelegy Ellipta
120 claims
- Albuterol Sulfate …
Albuterol Sulfate Hfa
118 claims
- Ventolin Hfa 41
Ventolin Hfa
41 claims
- Symbicort 29
Symbicort
29 claims
- Advair Diskus 28
Advair Diskus
28 claims
- Breo Ellipta 25
Breo Ellipta
25 claims
- Spiriva Handihaler 21
Spiriva Handihaler
21 claims
- Fluticasone-Salmet… 17
Fluticasone-Salmeterol
17 claims
| Drug | Claims |
|---|---|
| Trelegy Ellipta Fluticasone/Umeclidin/Vilanter | 120 |
| Albuterol Sulfate Hfa Albuterol Sulfate | 118 |
| Ventolin Hfa Albuterol Sulfate | 41 |
| Symbicort Budesonide/Formoterol Fumarate | 29 |
| Advair Diskus Fluticasone Propion/Salmeterol | 28 |
| Breo Ellipta Fluticasone/Vilanterol | 25 |
| Spiriva Handihaler Tiotropium Bromide | 21 |
| Fluticasone-Salmeterol Fluticasone Propion/Salmeterol | 17 |
| Spiriva Respimat Tiotropium Bromide | 17 |
| Stiolto Respimat Tiotropium Br/Olodaterol Hcl | 17 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
More Critical Care Medicine (Internal Medicine) Physician in OK →
All providers in Oklahoma →
Compare specialties →
Critical Care Medicine (Internal Medicine) Physician Overview
How John Cox, MD fits within the Critical Care Medicine (Internal Medicine) Physician landscape nationally.
6,631
Critical Care Medicine (Internal Medicine) Physician Providers in US
53
States with Critical Care Medicine (Internal Medicine) Physician
1,069
Avg Claims per Provider
John Cox, MD's 582 claims are below the specialty average of 1,069.
Nearby Critical Care Medicine (Internal Medicine) Physician Providers in Oklahoma
Other clinicians with the same primary specialty enrolled in Oklahoma, drawn from the same CMS NPPES roster as Cox.
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 Critical Care Medicine (Internal Medicine) 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 John Cox, MD's specialty? ▼
John Cox, MD specializes in Critical Care Medicine (Internal Medicine) Physician and practices in Lawton, Oklahoma. Credentials: MD.
How much does John Cox, MD prescribe under Medicare Part D? ▼
In 2023, John Cox, MD wrote 582 Medicare Part D claims totaling $326K in drug costs for 126 beneficiaries.
What is John Cox, MD's Medicare quality score? ▼
John Cox, MD has a CMS MIPS Final Score of 91.2/100 (Quality: 79.3). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is John Cox, MD located? ▼
John Cox, MD is located at 4417 W GORE BLVD, Lawton, OK, 73505. Phone: (580) 248-0110.
What is John Cox, MD's NPI number? ▼
John Cox, MD's National Provider Identifier (NPI) is 1396763389, issued on 07/17/2006.
Does John Cox, MD prescribe more brand-name or generic drugs? ▼
John Cox, MD's prescribing is 71% brand-name and 0% generic drugs by claim count, with $274K in brand drug costs.
How many Critical Care Medicine (Internal Medicine) Physician providers are there in the US? ▼
There are 6,631 Critical Care Medicine (Internal Medicine) Physician providers across 53 states in the US. The average Critical Care Medicine (Internal Medicine) Physician provider writes 1,069 Medicare Part D claims per year.
What drugs does John Cox, MD prescribe most often? ▼
Based on 2023 Medicare Part D data, John Cox, MD's most frequently prescribed drugs include Trelegy Ellipta, Albuterol Sulfate Hfa, Ventolin Hfa. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does John Cox, MD accept Medicare? ▼
John Cox, MD appears in CMS Medicare data with 582 Part D claims and 126 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify John Cox, MD's credentials? ▼
John Cox, MD's NPI is 1396763389 with credentials MD. 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
Compiled from official public sources by the PlainDoctor editorial team.