2026 NPPES data Rheumatology Physician NPI 1720217383 D.O
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TRAYTON MAINS, D.O

Rheumatology Physician in LIMA, 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
3K
Medicare Part D claims · 562 beneficiaries · Rheumatology Physician avg: 2K
Generic prescribing
84%
generic claims · 16% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
74.8579/100
▼ 8 pts below national avg 83.1 · [object Object]

What the federal data shows

TRAYTON MAINS, D.O reported a CMS MIPS final score of 74.8579/100 — below the 83.1 national average — and filed 3,041 Medicare Part D claims in 2023.

74.8579/100
MIPS score · -8 vs avg
3K
Part D claims, 2023
84%
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.

TRAYTON MAINS, D.O's MIPS score vs every scored U.S. clinician

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

75 12th percentile higher than 12% 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%). This entry sits in this band. 80–90: 129,887 scored providers (27%). Above this entry. 90–100: 189,403 scored providers (40%). Above this entry. 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)

TRAYTON MAINS, D.O 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 TRAYTON MAINS, D.O?

Below national average

NPI registry status

Active

Issued 07/03/2009

NPI 1720217383

Primary specialty

Rheumatology Physician

Mid-sized

6,181 US NPIs in this specialty

Medicare Part D claims

3,041 48% vs specialty avg

2023 prescription claims

Specialty avg: 2,054

MIPS final score

74.8579/100 8.242099999999994% pts

Mid-tier band

vs 83.1 national avg

Specialty distribution in Ohio

How Rheumatology Physician compares to other specialties among Ohio providers

Ohio providers

Rheumatology Physician share within Ohio

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

Medicare quality performance — MIPS

TRAYTON MAINS, D.O's 2023 MIPS final score plotted against the Rheumatology Physician national average

Below national average
MIPS Final Score
74.8579/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Rheumatology Physician) — 74.8579/100 vs national avg 83.1

0%100%National avg83%74.9%
MIPS final score (Rheumatology Physician) — 74.8579/100 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).

TRAYTON MAINS, D.O appears in the CMS NPPES registry as a Rheumatology Physician provider holding D.O credentials at 825 W MARKET ST STE 260, LIMA, OH, 45805, with a listed phone of (419) 996-4003. NPI 1720217383 was issued on 07/03/2009. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MAINS 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 3,041 prescription claims written by this provider, covering 562 Medicare beneficiaries and totaling roughly $2.0 million in drug spend, split 16% brand-name and 84% generic by claim count, 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 74.8579/100 for the 2023 performance year (Quality 94.1649, Cost 22.028), compared with the national average of 83.1.

Rheumatology Physician is a mid-sized specialty nationwide, with 6,181 enrolled providers across 52 states and an average of 2,054 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

825 W MARKET ST STE 260
LIMA, OH 45805

Provider Details

NPI 1720217383
Specialty Rheumatology Physician
Credentials D.O
Gender Male
NPI Issued 07/03/2009

CMS Quality Score (MIPS)

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

74.8579
Final Score
Avg: 83.1
94.1649
Quality
22.028
Cost
100
Promoting Interoperability

Reporting: Individual

Hospital and facility affiliations

Facilities where TRAYTON MAINS, D.O 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.

MERCY HEALTH PHYSICIANS LIMA SPECIALTY CARE LLC
LIMA, 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 TRAYTON MAINS, D.O. To verify TRAYTON MAINS, D.O'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.

Brand vs generic prescribing mix · Typical

TRAYTON MAINS, D.O — brand share 16.0%
Specialty average (est.)

16% brand-name claims vs 84% generic, on 3,041 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.

3,041
Total Claims
$2.0M
Total Drug Cost
562
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
4,175
Total Day Supply
118,463
Brand vs Generic
16% brand / 84% generic
Brand Drug Cost
$1.9M
Generic Drug Cost
$109K
Opioid Claims
62 (2.0% rate)
Antibiotic Claims
16

Patient Demographics

Average Patient Age
69.8 years
Avg HCC Risk Score
1.64
Gender Split
72% female / 28% male
Age Distribution
<65: 120, 65-74: 263, 75-84: 160, 85+: 19

Top Prescribed Drugs (Medicare Part D)

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

What TRAYTON MAINS, D.O 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
Methotrexate
Methotrexate Sodium
498
Prednisone
474
Leflunomide
349
Sulfasalazine
201
Azathioprine
198
Hydroxychloroquine Sulfate
195
Mycophenolate Mofetil
127
Alendronate Sodium
95
Gabapentin
87
Allopurinol
59

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

Rheumatology Physician Overview

How TRAYTON MAINS, D.O fits within the Rheumatology Physician landscape nationally.

6,181
Rheumatology Physician Providers in US
52
States with Rheumatology Physician
2,054
Avg Claims per Provider

TRAYTON MAINS, D.O's 3,041 claims are above the specialty average of 2,054.

Nearby Rheumatology Physician Providers in Ohio

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

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

Frequently Asked Questions

What is TRAYTON MAINS, D.O's specialty?
TRAYTON MAINS, D.O specializes in Rheumatology Physician and practices in LIMA, Ohio. Credentials: D.O.
How much does TRAYTON MAINS, D.O prescribe under Medicare Part D?
In 2023, TRAYTON MAINS, D.O wrote 3,041 Medicare Part D claims totaling $2.0M in drug costs for 562 beneficiaries.
What is TRAYTON MAINS, D.O's Medicare quality score?
TRAYTON MAINS, D.O has a CMS MIPS Final Score of 74.8579/100 (Quality: 94.1649, Cost: 22.028). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is TRAYTON MAINS, D.O located?
TRAYTON MAINS, D.O is located at 825 W MARKET ST STE 260, LIMA, OH, 45805. Phone: (419) 996-4003.
What is TRAYTON MAINS, D.O's NPI number?
TRAYTON MAINS, D.O's National Provider Identifier (NPI) is 1720217383, issued on 07/03/2009.
Does TRAYTON MAINS, D.O prescribe more brand-name or generic drugs?
TRAYTON MAINS, D.O's prescribing is 16% brand-name and 84% generic drugs by claim count, with $1.9M in brand drug costs.
Does TRAYTON MAINS, D.O prescribe opioids?
Yes, TRAYTON MAINS, D.O had 62 opioid claims in 2023 with an opioid prescribing rate of 2.0%.
How many Rheumatology Physician providers are there in the US?
There are 6,181 Rheumatology Physician providers across 52 states in the US. The average Rheumatology Physician provider writes 2,054 Medicare Part D claims per year.
What drugs does TRAYTON MAINS, D.O prescribe most often?
Based on 2023 Medicare Part D data, TRAYTON MAINS, D.O's most frequently prescribed drugs include Methotrexate, Prednisone, Leflunomide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does TRAYTON MAINS, D.O accept Medicare?
TRAYTON MAINS, D.O appears in CMS Medicare data with 3,041 Part D claims and 562 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify TRAYTON MAINS, D.O's credentials?
TRAYTON MAINS, D.O's NPI is 1720217383 with credentials D.O. 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