2026 NPPES data Medical Physician Assistant NPI 1295849644 PA-C, MMSC
Verify on CMS →

STEVEN BARTON, PA-C, MMSC

Medical Physician Assistant in ATLANTA, Georgia. 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
882
Medicare Part D claims · 59 beneficiaries · Medical Physician Assistant avg: 1K
Generic prescribing
21%
generic claims · 79% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
89.8928/100
▲ 7 pts above national avg 83.1 · [object Object]
Industry payments
$1.6K
65 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

STEVEN BARTON, PA-C, MMSC reported a CMS MIPS final score of 89.8928/100 — above the 83.1 national average — and filed 882 Medicare Part D claims in 2023.

89.8928/100
MIPS score · +7 vs avg
882
Part D claims, 2023
21%
generic prescribing
$1.6K
industry payments (Sunshine Act)

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.

STEVEN BARTON, PA-C, MMSC's MIPS score vs every scored U.S. clinician

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

90 Top 42% higher than 58% 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%). This entry sits in this band. 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

What does the federal data show about STEVEN BARTON, PA-C, MMSC?

High performer (top quartile)

NPI registry status

Active

Issued 08/19/2006

NPI 1295849644

Primary specialty

Medical Physician Assistant

Mid-sized

40,527 US NPIs in this specialty

Medicare Part D claims

882 18% vs specialty avg

2023 prescription claims

Specialty avg: 1,077

MIPS final score

89.8928/100 6.7928% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in Georgia

How Medical Physician Assistant compares to other specialties among Georgia providers

Georgia providers

Medical Physician Assistant share within Georgia

1. Medical Physician Assistant42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Medical Physician Assistant share within Georgia

Medicare quality performance — MIPS

STEVEN BARTON, PA-C, MMSC's 2023 MIPS final score plotted against the Medical Physician Assistant national average

High performer (top quartile)
MIPS Final Score
89.8928/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Medical Physician Assistant) — 89.8928/100 vs national avg 83.1

0%100%National avg83%89.9%
MIPS final score (Medical Physician Assistant) — 89.8928/100 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).

STEVEN BARTON, PA-C, MMSC appears in the CMS NPPES registry as a Medical Physician Assistant provider holding PA-C, MMSC credentials at 275 COLLIER RD NW STE 450, ATLANTA, GA, 30309, with a listed phone of (404) 350-8873. NPI 1295849644 was issued on 08/19/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BARTON 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 882 prescription claims written by this provider, covering 59 Medicare beneficiaries and totaling roughly $2.7 million in drug spend, split 79% brand-name and 21% 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 89.8928/100 for the 2023 performance year (Quality 79.7855), compared with the national average of 83.1.

Medical Physician Assistant is a mid-sized specialty nationwide, with 40,527 enrolled providers across 55 states and an average of 1,077 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

275 COLLIER RD NW STE 450
ATLANTA, GA 30309

Provider Details

NPI 1295849644
Specialty Medical Physician Assistant
Credentials PA-C, MMSC
Gender Male
NPI Issued 08/19/2006

CMS Quality Score (MIPS)

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

89.8928
Final Score
Avg: 83.1
79.7855
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

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 STEVEN BARTON, PA-C, MMSC. Source: openpaymentsdata.cms.gov.

Total received

$1.6K

Largest payer

Gilead Sciences, 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 · Brand-heavy

STEVEN BARTON, PA-C, MMSC — brand share 79.0%
Specialty average (est.)

79% brand-name claims vs 21% generic, on 882 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.

882
Total Claims
$2.7M
Total Drug Cost
59
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,075
Total Day Supply
32,004
Brand vs Generic
79% brand / 21% generic
Brand Drug Cost
$2.6M
Generic Drug Cost
$45K

Patient Demographics

Average Patient Age
64.4 years
Avg HCC Risk Score
1.63
Age Distribution
<65: 27, 65-74: 25, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

What STEVEN BARTON, PA-C, MMSC 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
Biktarvy
Bictegrav/Emtricit/Tenofov Ala
284
Genvoya
Elviteg/Cob/Emtri/Tenof Alafen
104
Tivicay
Dolutegravir Sodium
50
Triumeq
Abacavir/Dolutegravir/Lamivudi
50
Pifeltro
Doravirine
40
Descovy
Emtricitabine/Tenofov Alafenam
37
Prezista
Darunavir
31
Valacyclovir
Valacyclovir Hcl
20
Symtuza
Darunavir/Cob/Emtri/Tenof Alaf
18
Dapsone
14

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

Medical Physician Assistant Overview

How STEVEN BARTON, PA-C, MMSC fits within the Medical Physician Assistant landscape nationally.

40,527
Medical Physician Assistant Providers in US
55
States with Medical Physician Assistant
1,077
Avg Claims per Provider

STEVEN BARTON, PA-C, MMSC's 882 claims are below the specialty average of 1,077.

Nearby Medical Physician Assistant Providers in Georgia

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

Compare Medical Physician Assistant nationally: see state-by-state distribution →

Frequently Asked Questions

What is STEVEN BARTON, PA-C, MMSC's specialty?
STEVEN BARTON, PA-C, MMSC specializes in Medical Physician Assistant and practices in ATLANTA, Georgia. Credentials: PA-C, MMSC.
How much does STEVEN BARTON, PA-C, MMSC prescribe under Medicare Part D?
In 2023, STEVEN BARTON, PA-C, MMSC wrote 882 Medicare Part D claims totaling $2.7M in drug costs for 59 beneficiaries.
What is STEVEN BARTON, PA-C, MMSC's Medicare quality score?
STEVEN BARTON, PA-C, MMSC has a CMS MIPS Final Score of 89.8928/100 (Quality: 79.7855). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is STEVEN BARTON, PA-C, MMSC located?
STEVEN BARTON, PA-C, MMSC is located at 275 COLLIER RD NW STE 450, ATLANTA, GA, 30309. Phone: (404) 350-8873.
What is STEVEN BARTON, PA-C, MMSC's NPI number?
STEVEN BARTON, PA-C, MMSC's National Provider Identifier (NPI) is 1295849644, issued on 08/19/2006.
Does STEVEN BARTON, PA-C, MMSC prescribe more brand-name or generic drugs?
STEVEN BARTON, PA-C, MMSC's prescribing is 79% brand-name and 21% generic drugs by claim count, with $2.6M in brand drug costs.
How many Medical Physician Assistant providers are there in the US?
There are 40,527 Medical Physician Assistant providers across 55 states in the US. The average Medical Physician Assistant provider writes 1,077 Medicare Part D claims per year.
What drugs does STEVEN BARTON, PA-C, MMSC prescribe most often?
Based on 2023 Medicare Part D data, STEVEN BARTON, PA-C, MMSC's most frequently prescribed drugs include Biktarvy, Genvoya, Tivicay. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does STEVEN BARTON, PA-C, MMSC accept Medicare?
STEVEN BARTON, PA-C, MMSC appears in CMS Medicare data with 882 Part D claims and 59 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify STEVEN BARTON, PA-C, MMSC's credentials?
STEVEN BARTON, PA-C, MMSC's NPI is 1295849644 with credentials PA-C, MMSC. 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