2026 NPPES data Physician Assistant NPI 1255605069 PA-C
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MARK HERRON, PA-C

Physician Assistant in PENACOOK, New Hampshire. 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 · 298 beneficiaries · Physician Assistant avg: 790
Generic prescribing
91%
generic claims · 9% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
89.3601/100
▲ 6 pts above national avg 83.1 · [object Object]
Industry payments
$171.8
2 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

MARK HERRON, PA-C reported a CMS MIPS final score of 89.3601/100 — above the 83.1 national average — and filed 2,711 Medicare Part D claims in 2023.

89.3601/100
MIPS score · +6 vs avg
3K
Part D claims, 2023
91%
generic prescribing
$171.8
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.

MARK HERRON, PA-C's MIPS score vs every scored U.S. clinician

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

89 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 MARK HERRON, PA-C?

High performer (top quartile)

NPI registry status

Active

Issued 02/27/2012

NPI 1255605069

Primary specialty

Physician Assistant

High-volume

149,975 US NPIs in this specialty

Medicare Part D claims

2,711 243% vs specialty avg

2023 prescription claims

Specialty avg: 790

MIPS final score

89.3601/100 6.260100000000008% pts

Exceptional band

vs 83.1 national avg

Specialty distribution in New Hampshire

How Physician Assistant compares to other specialties among New Hampshire providers

New Hampshire providers

Physician Assistant share within New Hampshire

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

Medicare quality performance — MIPS

MARK HERRON, PA-C's 2023 MIPS final score plotted against the Physician Assistant national average

High performer (top quartile)
MIPS Final Score
89.3601/100
vs 83.1 national avg · 2023 performance year

MIPS final score (Physician Assistant) — 89.3601/100 vs national avg 83.1

0%100%National avg83%89.4%
MIPS final score (Physician Assistant) — 89.3601/100 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 HERRON, PA-C appears in the CMS NPPES registry as a Physician Assistant provider holding PA-C credentials at 4 CRESCENT ST, PENACOOK, NH, 03303, with a listed phone of (603) 753-4302. NPI 1255605069 was issued on 02/27/2012. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what HERRON 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 2,711 prescription claims written by this provider, covering 298 Medicare beneficiaries and totaling roughly $213K in drug spend, split 9% brand-name and 91% generic by claim count, with an opioid prescribing rate of 4.7%. 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 89.3601/100 for the 2023 performance year (Quality 72.1931), compared with the national average of 83.1.

Physician Assistant is a high-volume specialty nationwide, with 149,975 enrolled providers across 56 states and an average of 790 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

4 CRESCENT ST
PENACOOK, NH 03303

Provider Details

NPI 1255605069
Specialty Physician Assistant
Credentials PA-C
Gender Male
NPI Issued 02/27/2012

CMS Quality Score (MIPS)

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

89.3601
Final Score
Avg: 83.1
72.1931
Quality
100
Promoting Interoperability

Reporting: Alternative Payment Model

Hospital and facility affiliations

Facilities where MARK HERRON, PA-C 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.

CONCORD HOSPITAL INC
CONCORD, NH

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 HERRON, PA-C. Source: openpaymentsdata.cms.gov.

Total received

$172

Largest payer

GENZYME CORPORATION

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

MARK HERRON, PA-C — brand share 9.0%
Specialty average (est.)

9% brand-name claims vs 91% generic, on 2,711 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.

2,711
Total Claims
$213K
Total Drug Cost
298
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
5,841
Total Day Supply
167,825
Brand vs Generic
9% brand / 91% generic
Brand Drug Cost
$145K
Generic Drug Cost
$67K
Opioid Claims
128 (4.7% rate)
Antibiotic Claims
128

Patient Demographics

Average Patient Age
69.8 years
Avg HCC Risk Score
0.98
Gender Split
54% female / 46% male
Age Distribution
<65: 52, 65-74: 152, 75-84: 70, 85+: 24

Top Prescribed Drugs (Medicare Part D)

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

What MARK HERRON, PA-C 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
Atorvastatin Calcium
156
Lisinopril
135
Gabapentin
94
Levothyroxine Sodium
86
Amlodipine Besylate
83
Losartan Potassium
76
Pantoprazole Sodium
71
Albuterol Sulfate Hfa
Albuterol Sulfate
62
Hydrochlorothiazide
52
Metformin Hcl
51

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

Physician Assistant Overview

How MARK HERRON, PA-C fits within the Physician Assistant landscape nationally.

149,975
Physician Assistant Providers in US
56
States with Physician Assistant
790
Avg Claims per Provider

MARK HERRON, PA-C's 2,711 claims are above the specialty average of 790.

Nearby Physician Assistant Providers in New Hampshire

Other clinicians with the same primary specialty enrolled in New Hampshire, drawn from the same CMS NPPES roster as HERRON.

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

Frequently Asked Questions

What is MARK HERRON, PA-C's specialty?
MARK HERRON, PA-C specializes in Physician Assistant and practices in PENACOOK, New Hampshire. Credentials: PA-C.
How much does MARK HERRON, PA-C prescribe under Medicare Part D?
In 2023, MARK HERRON, PA-C wrote 2,711 Medicare Part D claims totaling $213K in drug costs for 298 beneficiaries.
What is MARK HERRON, PA-C's Medicare quality score?
MARK HERRON, PA-C has a CMS MIPS Final Score of 89.3601/100 (Quality: 72.1931). The national average MIPS Final Score is 83.1. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is MARK HERRON, PA-C located?
MARK HERRON, PA-C is located at 4 CRESCENT ST, PENACOOK, NH, 03303. Phone: (603) 753-4302.
What is MARK HERRON, PA-C's NPI number?
MARK HERRON, PA-C's National Provider Identifier (NPI) is 1255605069, issued on 02/27/2012.
Does MARK HERRON, PA-C prescribe more brand-name or generic drugs?
MARK HERRON, PA-C's prescribing is 9% brand-name and 91% generic drugs by claim count, with $145K in brand drug costs.
Does MARK HERRON, PA-C prescribe opioids?
Yes, MARK HERRON, PA-C had 128 opioid claims in 2023 with an opioid prescribing rate of 4.7%.
How many Physician Assistant providers are there in the US?
There are 149,975 Physician Assistant providers across 56 states in the US. The average Physician Assistant provider writes 790 Medicare Part D claims per year.
What drugs does MARK HERRON, PA-C prescribe most often?
Based on 2023 Medicare Part D data, MARK HERRON, PA-C's most frequently prescribed drugs include Atorvastatin Calcium, Lisinopril, Gabapentin. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MARK HERRON, PA-C accept Medicare?
MARK HERRON, PA-C appears in CMS Medicare data with 2,711 Part D claims and 298 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MARK HERRON, PA-C's credentials?
MARK HERRON, PA-C's NPI is 1255605069 with credentials PA-C. 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