2026 NPPES data Emergency Medicine Physician NPI 1902225071 MD
Verify on CMS →

JOHN CORKER, MD

Emergency Medicine Physician in KETTERING, Ohio. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
666
Medicare Part D claims · 334 beneficiaries · Emergency Medicine Physician avg: 352
MIPS score
94.6395/100
▲ 12 pts above national avg 83.1 · [object Object]

What the federal data shows

JOHN CORKER, MD reported a CMS MIPS final score of 94.6395/100 — above the 83.1 national average — and filed 666 Medicare Part D claims in 2023.

94.6395/100
MIPS score · +12 vs avg
666
Part D claims, 2023
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 CORKER, MD's MIPS score vs every scored U.S. clinician

CMS Merit-based Incentive Payment System (MIPS) final score, 2023 — the federal quality measure

95 Top 25% higher than 75% of 477,587 scored providers

0–10: 8,684 scored providers (2%). Below this entry. 10–20: 3,008 scored providers (1%). Below this entry. 20–30: 3,069 scored providers (1%). Below this entry. 30–40: 2,746 scored providers (1%). Below this entry. 40–50: 2,928 scored providers (1%). Below this entry. 50–60: 5,882 scored providers (1%). Below this entry. 60–70: 13,906 scored providers (3%). Below this entry. 70–80: 118,074 scored providers (25%). Below this entry. 80–90: 129,887 scored providers (27%). Below this entry. 90–100: 189,403 scored providers (40%). This entry sits in this band. This provider 0 100 every MIPS-scored clinician, bucketed by value

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

Board certification likely (heuristic — not verified)

JOHN CORKER, 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 CORKER, MD?

High performer (top quartile)

NPI registry status

Active

Issued 04/15/2014

NPI 1902225071

Primary specialty

Emergency Medicine Physician

High-volume

64,398 US NPIs in this specialty

Medicare Part D claims

666 89% vs specialty avg

2023 prescription claims

Specialty avg: 352

MIPS final score

94.6395/100 11.539500000000004% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Ohio

How Emergency Medicine Physician compares to other specialties among Ohio providers

Ohio providers

Emergency Medicine Physician share within Ohio

1. Emergency Medicine Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Emergency Medicine Physician share within Ohio

Medicare quality performance — MIPS

JOHN CORKER, MD's 2023 MIPS final score plotted against the Emergency Medicine Physician national average

High performer (top quartile)
MIPS Final Score
94.6395/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Emergency Medicine Physician) — 94.6395/100 vs national avg 83.1

0%100%National avg83%94.6%
MIPS final score (Emergency Medicine Physician) — 94.6395/100 vs national avg 83.1

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 CORKER, MD appears in the CMS NPPES registry as a Emergency Medicine Physician provider holding MD credentials at 3535 SOUTHERN BLVD, KETTERING, OH, 45429, with a listed phone of (937) 395-8166. NPI 1902225071 was issued on 04/15/2014. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what CORKER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 666 prescription claims written by this provider, covering 334 Medicare beneficiaries and totaling roughly $7K in drug spend, with an opioid prescribing rate of 2.0%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy. On the CMS Merit-based Incentive Payment System, this provider earned a Final Score of 94.6395/100 for the 2023 performance year (Quality 90.644), compared with the national average of 83.1.

Emergency Medicine Physician is a high-volume specialty nationwide, with 64,398 enrolled providers across 56 states and an average of 352 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

3535 SOUTHERN BLVD
KETTERING, OH 45429

Provider Details

NPI 1902225071
Specialty Emergency Medicine Physician
Credentials MD
Gender Male
NPI Issued 04/15/2014

CMS Quality Score (MIPS)

Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.

94.6395
Final Score
Avg: 83.1
90.644
Quality

Reporting: Group practice

Hospital and facility affiliations

Facilities where JOHN CORKER, 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.

EMERGENCY MEDICINE SPECIALISTS INC
KETTERING, OH

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

License & disciplinary context — Ohio OMB 2023 annual report

Aggregate state board data only — NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~48K Ohio medical licensees in 2023 — they are NOT specific to JOHN CORKER, MD. To verify JOHN CORKER, MD's current license status, search the OMB public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.

158
Total board actions, Ohio 2023
Across 154 cases
3.29
Actions per 1,000 licensees
Ohio statewide rate
probation
Most common action type
56 cases

OMB publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the Ohio disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

666
Total Claims
$7K
Total Drug Cost
334
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
677
Total Day Supply
6,673
Generic Drug Cost
$5K
Opioid Claims
13 (2.0% rate)
Antibiotic Claims
108

Patient Demographics

Average Patient Age
67.1 years
Avg HCC Risk Score
1.93
Gender Split
70% female / 30% male
Age Distribution
<65: 110, 65-74: 129, 75-84: 64, 85+: 31

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What JOHN CORKER, MD prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Naproxen
97
Ondansetron Odt
Ondansetron
91
Famotidine
78
Cefuroxime
Cefuroxime Axetil
43
Methocarbamol
43
Prednisone
38
Dicyclomine Hcl
35
Methylprednisolone
29
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
21
Ibuprofen
20

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Emergency Medicine Physician Overview

How JOHN CORKER, MD fits within the Emergency Medicine Physician landscape nationally.

64,398
Emergency Medicine Physician Providers in US
56
States with Emergency Medicine Physician
352
Avg Claims per Provider

JOHN CORKER, MD's 666 claims are above the specialty average of 352.

Nearby Emergency Medicine Physician Providers in Ohio

Other clinicians with the same primary specialty enrolled in Ohio, drawn from the same CMS NPPES roster as CORKER.

Compare Emergency Medicine Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is JOHN CORKER, MD's specialty?
JOHN CORKER, MD specializes in Emergency Medicine Physician and practices in KETTERING, Ohio. Credentials: MD.
How much does JOHN CORKER, MD prescribe under Medicare Part D?
In 2023, JOHN CORKER, MD wrote 666 Medicare Part D claims totaling $7K in drug costs for 334 beneficiaries.
What is JOHN CORKER, MD's Medicare quality score?
JOHN CORKER, MD has a CMS MIPS Final Score of 94.6395/100 (Quality: 90.644). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is JOHN CORKER, MD located?
JOHN CORKER, MD is located at 3535 SOUTHERN BLVD, KETTERING, OH, 45429. Phone: (937) 395-8166.
What is JOHN CORKER, MD's NPI number?
JOHN CORKER, MD's National Provider Identifier (NPI) is 1902225071, issued on 04/15/2014.
Does JOHN CORKER, MD prescribe opioids?
Yes, JOHN CORKER, MD had 13 opioid claims in 2023 with an opioid prescribing rate of 2.0%.
How many Emergency Medicine Physician providers are there in the US?
There are 64,398 Emergency Medicine Physician providers across 56 states in the US. The average Emergency Medicine Physician provider writes 352 Medicare Part D claims per year.
What drugs does JOHN CORKER, MD prescribe most often?
Based on 2023 Medicare Part D data, JOHN CORKER, MD's most frequently prescribed drugs include Naproxen, Ondansetron Odt, Famotidine. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does JOHN CORKER, MD accept Medicare?
JOHN CORKER, MD appears in CMS Medicare data with 666 Part D claims and 334 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify JOHN CORKER, MD's credentials?
JOHN CORKER, MD's NPI is 1902225071 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

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