2026 NPPES data Psychiatry Physician NPI 1861553513 M.D.
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SCOTT ARBAUGH, M.D.

Psychiatry Physician in O FALLON, Missouri. 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
11K
Medicare Part D claims · 696 beneficiaries · Psychiatry Physician avg: 1K
Generic prescribing
94%
generic claims · 6% 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
$38.3K
196 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: SCOTT ARBAUGH, M.D. is a Psychiatry Physician ([object Object]) practicing in O FALLON, Missouri with a Medicare Part D prescribing footprint of 11K claims across 696 beneficiaries — 6% 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 $38.3K across 196 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: SCOTT ARBAUGH, M.D. reported a CMS MIPS final score of 75 out of 100, below the 83.1 national average, and filed 11,352 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)

SCOTT ARBAUGH, 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).

SCOTT ARBAUGH, M.D. at a glance

Below national average

NPI registry status

Active

Issued 12/13/2006

NPI 1861553513

Primary specialty

Psychiatry Physician

High-volume

53,104 US NPIs in this specialty

Medicare Part D claims

11,352 994% vs specialty avg

2023 prescription claims

Specialty avg: 1,038

MIPS final score

75/100 8.099999999999994% pts

Above neutral band

vs 83.1 national avg

Specialty distribution in Missouri

How Psychiatry Physician compares to other specialties among Missouri providers

Missouri providers

Psychiatry Physician share within Missouri

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

Medicare quality performance — MIPS

SCOTT ARBAUGH, M.D.'s 2023 MIPS final score plotted against the Psychiatry Physician national average

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

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

0%100%National avg83%75%
MIPS final score (Psychiatry 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).

SCOTT ARBAUGH, M.D. is a Psychiatry Physician provider practicing in O FALLON, Missouri, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1861553513. 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.

SCOTT ARBAUGH, M.D. appears in the CMS NPPES registry as a Psychiatry Physician provider holding M.D. credentials at 9979 WINGHAVEN BLVD, O FALLON, MO, 63368, with a listed phone of (636) 695-4554. NPI 1861553513 was issued on 12/13/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what ARBAUGH 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 11,352 prescription claims written by this provider, covering 696 Medicare beneficiaries and totaling roughly $1.4 million in drug spend, split 6% brand-name and 94% generic by claim count. 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.

Psychiatry Physician is a high-volume specialty nationwide, with 53,104 enrolled providers across 56 states and an average of 1,038 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

9979 WINGHAVEN BLVD
O FALLON, MO 63368

Provider Details

NPI 1861553513
Specialty Psychiatry Physician
Credentials M.D.
Gender Male
NPI Issued 12/13/2006

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 SCOTT ARBAUGH, 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.

NORTHWEST PSYCHIATRIC ASSOCIATES LTD
ALTON, IL

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 SCOTT ARBAUGH, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$38.3K

Largest payer

Otsuka America Pharmaceutical, 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 · Generic-heavy

SCOTT ARBAUGH, M.D. — brand share 6.0%
Specialty average (est.)

6% brand-name claims vs 94% generic, on 11,352 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.

11,352
Total Claims
$1.4M
Total Drug Cost
696
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
18,691
Total Day Supply
551,764
Brand vs Generic
6% brand / 94% generic
Brand Drug Cost
$1.1M
Generic Drug Cost
$317K

Patient Demographics

Average Patient Age
71.0 years
Avg HCC Risk Score
1.52
Gender Split
70% female / 30% male
Age Distribution
<65: 131, 65-74: 306, 75-84: 201, 85+: 58

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Sertraline Hcl
963
Venlafaxine Hcl Er
Venlafaxine Hcl
786
Trazodone Hcl
691
Escitalopram Oxalate
575
Duloxetine Hcl
556
Alprazolam
551
Donepezil Hcl
451
Lorazepam
441
Olanzapine
438
Fluoxetine Hcl
370

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

Psychiatry Physician Overview

How SCOTT ARBAUGH, M.D. fits within the Psychiatry Physician landscape nationally.

53,104
Psychiatry Physician Providers in US
56
States with Psychiatry Physician
1,038
Avg Claims per Provider

SCOTT ARBAUGH, M.D.'s 11,352 claims are above the specialty average of 1,038.

Nearby Psychiatry Physician Providers in Missouri

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

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

Frequently Asked Questions

What is SCOTT ARBAUGH, M.D.'s specialty?
SCOTT ARBAUGH, M.D. specializes in Psychiatry Physician and practices in O FALLON, Missouri. Credentials: M.D..
How much does SCOTT ARBAUGH, M.D. prescribe under Medicare Part D?
In 2023, SCOTT ARBAUGH, M.D. wrote 11,352 Medicare Part D claims totaling $1.4M in drug costs for 696 beneficiaries.
What is SCOTT ARBAUGH, M.D.'s Medicare quality score?
SCOTT ARBAUGH, 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 SCOTT ARBAUGH, M.D. located?
SCOTT ARBAUGH, M.D. is located at 9979 WINGHAVEN BLVD, O FALLON, MO, 63368. Phone: (636) 695-4554.
What is SCOTT ARBAUGH, M.D.'s NPI number?
SCOTT ARBAUGH, M.D.'s National Provider Identifier (NPI) is 1861553513, issued on 12/13/2006.
Does SCOTT ARBAUGH, M.D. prescribe more brand-name or generic drugs?
SCOTT ARBAUGH, M.D.'s prescribing is 6% brand-name and 94% generic drugs by claim count, with $1.1M in brand drug costs.
How many Psychiatry Physician providers are there in the US?
There are 53,104 Psychiatry Physician providers across 56 states in the US. The average Psychiatry Physician provider writes 1,038 Medicare Part D claims per year.
What drugs does SCOTT ARBAUGH, M.D. prescribe most often?
Based on 2023 Medicare Part D data, SCOTT ARBAUGH, M.D.'s most frequently prescribed drugs include Sertraline Hcl, Venlafaxine Hcl Er, Trazodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does SCOTT ARBAUGH, M.D. accept Medicare?
SCOTT ARBAUGH, M.D. appears in CMS Medicare data with 11,352 Part D claims and 696 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify SCOTT ARBAUGH, M.D.'s credentials?
SCOTT ARBAUGH, M.D.'s NPI is 1861553513 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