2026 NPPES data Surgery Physician NPI 1144301300 M.D.
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MARK EATON, M.D.

Surgery Physician in MEDFORD, Oregon. 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
91
Medicare Part D claims · 58 beneficiaries · Surgery Physician avg: 169
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
75/100
▼ 8 pts below national avg 83.1 · [object Object]
Industry payments
$3.2K
30 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: MARK EATON, M.D. is a Surgery Physician ([object Object]) practicing in MEDFORD, Oregon with a Medicare Part D prescribing footprint of 91 claims across 58 beneficiaries — 12% brand-name prescribing . Their CMS MIPS Final Score of 75/100 (national average: 83.1) reflects performance across Quality, Cost, Interoperability, and Improvement Activities . Industry payments of $3.2K across 30 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: MARK EATON, M.D. reported a CMS MIPS final score of 75 out of 100, below the 83.1 national average, and filed 91 Medicare Part D claims in 2023. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

MARK EATON, 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).

MARK EATON, M.D. at a glance

Below national average

NPI registry status

Active

Issued 10/17/2006

NPI 1144301300

Primary specialty

Surgery Physician

Mid-sized

36,191 US NPIs in this specialty

Medicare Part D claims

91 46% vs specialty avg

2023 prescription claims

Specialty avg: 169

MIPS final score

75/100 8.099999999999994% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in Oregon

How Surgery Physician compares to other specialties among Oregon providers

Oregon providers

Surgery Physician share within Oregon

1. Surgery Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Surgery Physician share within Oregon

Medicare quality performance — MIPS

MARK EATON, M.D.'s 2023 MIPS final score plotted against the Surgery Physician national average

Below national average
MIPS Final Score
75/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Surgery Physician) — 75/100 vs national avg 83.1

0%100%National avg83%75%
MIPS final score (Surgery Physician) — 75/100 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).

MARK EATON, M.D. is a Surgery Physician provider practicing in MEDFORD, Oregon, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1144301300. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

MARK EATON, M.D. appears in the CMS NPPES registry as a Surgery Physician provider holding M.D. credentials at 520 MEDICAL CENTER DR, MEDFORD, OR, 97504, with a listed phone of (541) 282-6559. NPI 1144301300 was issued on 10/17/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what EATON 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 91 prescription claims written by this provider, covering 58 Medicare beneficiaries and totaling roughly $4K in drug spend, split 12% brand-name and 88% generic by claim count, with an opioid prescribing rate of 30.8%. 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 75/100 for the 2023 performance year, compared with the national average of 83.1.

Surgery Physician is a mid-sized specialty nationwide, with 36,191 enrolled providers across 56 states and an average of 169 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

520 MEDICAL CENTER DR
MEDFORD, OR 97504

Provider Details

NPI 1144301300
Specialty Surgery Physician
Credentials M.D.
Gender Male
NPI Issued 10/17/2006

CMS Quality Score (MIPS)

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

75
Final Score
Avg: 83.1

Reporting: Group practice

Hospital and facility affiliations

Facilities where MARK EATON, 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.

OREGON SURGICAL SPECIALISTS PC
MEDFORD, OR

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

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for MARK EATON, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$3.2K

Largest payer

W. L. Gore & Associates, Inc.

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

MARK EATON, M.D. — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 91 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.

91
Total Claims
$4K
Total Drug Cost
58
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
111
Total Day Supply
1,685
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$4K
Generic Drug Cost
$970
Opioid Claims
28 (30.8% rate)
Antibiotic Claims
19

Patient Demographics

Average Patient Age
70.8 years
Avg HCC Risk Score
1.39
Gender Split
50% female / 50% 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
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
27
Clopidogrel
Clopidogrel Bisulfate
16

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

Surgery Physician Overview

How MARK EATON, M.D. fits within the Surgery Physician landscape nationally.

36,191
Surgery Physician Providers in US
56
States with Surgery Physician
169
Avg Claims per Provider

MARK EATON, M.D.'s 91 claims are below the specialty average of 169.

Nearby Surgery Physician Providers in Oregon

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

Compare Surgery Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is MARK EATON, M.D.'s specialty?
MARK EATON, M.D. specializes in Surgery Physician and practices in MEDFORD, Oregon. Credentials: M.D..
How much does MARK EATON, M.D. prescribe under Medicare Part D?
In 2023, MARK EATON, M.D. wrote 91 Medicare Part D claims totaling $4K in drug costs for 58 beneficiaries.
What is MARK EATON, M.D.'s Medicare quality score?
MARK EATON, M.D. has a CMS MIPS Final Score of 75/100. The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is MARK EATON, M.D. located?
MARK EATON, M.D. is located at 520 MEDICAL CENTER DR, MEDFORD, OR, 97504. Phone: (541) 282-6559.
What is MARK EATON, M.D.'s NPI number?
MARK EATON, M.D.'s National Provider Identifier (NPI) is 1144301300, issued on 10/17/2006.
Does MARK EATON, M.D. prescribe more brand-name or generic drugs?
MARK EATON, M.D.'s prescribing is 12% brand-name and 88% generic drugs by claim count, with $4K in brand drug costs.
Does MARK EATON, M.D. prescribe opioids?
Yes, MARK EATON, M.D. had 28 opioid claims in 2023 with an opioid prescribing rate of 30.8%.
How many Surgery Physician providers are there in the US?
There are 36,191 Surgery Physician providers across 56 states in the US. The average Surgery Physician provider writes 169 Medicare Part D claims per year.
What drugs does MARK EATON, M.D. prescribe most often?
Based on 2023 Medicare Part D data, MARK EATON, M.D.'s most frequently prescribed drugs include Hydrocodone-Acetaminophen, Clopidogrel. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARK EATON, M.D. accept Medicare?
MARK EATON, M.D. appears in CMS Medicare data with 91 Part D claims and 58 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARK EATON, M.D.'s credentials?
MARK EATON, M.D.'s NPI is 1144301300 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

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