2026 NPPES data Medical Physician Assistant NPI 1255780656 PA-C
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MALLORY LARSEN, PA-C

Medical Physician Assistant in INDIANAPOLIS, Indiana. 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
1K
Medicare Part D claims · 383 beneficiaries · Medical Physician Assistant avg: 1K
Generic prescribing
88%
generic claims · 12% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$324.71
7 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: MALLORY LARSEN, PA-C is a Medical Physician Assistant ([object Object]) practicing in INDIANAPOLIS, Indiana with a Medicare Part D prescribing footprint of 1K claims across 383 beneficiaries — 12% brand-name prescribing . Industry payments of $324.71 across 7 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: MALLORY LARSEN, PA-C filed 1,421 Medicare Part D claims in 2023 across INDIANAPOLIS, Indiana. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

MALLORY LARSEN, PA-C at a glance

Quality data not reported

NPI registry status

Active

Issued 06/07/2016

NPI 1255780656

Primary specialty

Medical Physician Assistant

Mid-sized

40,527 US NPIs in this specialty

Medicare Part D claims

1,421 32% vs specialty avg

2023 prescription claims

Specialty avg: 1,077

Specialty distribution in Indiana

How Medical Physician Assistant compares to other specialties among Indiana providers

Indiana providers

Medical Physician Assistant share within Indiana

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

Specialty board-certification context

Estimated specialty board-certified rate — Medical Physician Assistant (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Medical Physician Assistant ABMS/AOA estimate

Est. board-certified rate (Medical Physician Assistant) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Medical Physician Assistant) — ABMS / AOA estimate

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).

MALLORY LARSEN, PA-C is a Medical Physician Assistant provider practicing in INDIANAPOLIS, Indiana, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: PA-C. NPI: 1255780656. 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.

MALLORY LARSEN, PA-C appears in the CMS NPPES registry as a Medical Physician Assistant provider holding PA-C credentials at 5330 E STOP 11 RD, INDIANAPOLIS, IN, 46237, with a listed phone of (317) 893-1900. NPI 1255780656 was issued on 06/07/2016. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LARSEN 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 1,421 prescription claims written by this provider, covering 383 Medicare beneficiaries and totaling roughly $180K in drug spend, split 12% brand-name and 88% 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.

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

5330 E STOP 11 RD
INDIANAPOLIS, IN 46237

Provider Details

NPI 1255780656
Specialty Medical Physician Assistant
Credentials PA-C
Gender Female
NPI Issued 06/07/2016

Hospital and facility affiliations

Facilities where MALLORY LARSEN, 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.

FRANCISCAN PHYSICIAN NETWORK
SHELBYVILLE, IN

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 MALLORY LARSEN, PA-C. Source: openpaymentsdata.cms.gov.

Total received

$325

Largest payer

Edwards Lifesciences 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 · Typical

MALLORY LARSEN, PA-C — brand share 12.0%
Specialty average (est.)

12% brand-name claims vs 88% generic, on 1,421 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.

1,421
Total Claims
$180K
Total Drug Cost
383
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
2,728
Total Day Supply
81,016
Brand vs Generic
12% brand / 88% generic
Brand Drug Cost
$157K
Generic Drug Cost
$23K

Patient Demographics

Average Patient Age
75.7 years
Avg HCC Risk Score
1.93
Gender Split
48% female / 52% male
Age Distribution
<65: 26, 65-74: 134, 75-84: 173, 85+: 50

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Clopidogrel
Clopidogrel Bisulfate
273
Carvedilol
131
Metoprolol Succinate
105
Atorvastatin Calcium
92
Losartan Potassium
77
Eliquis
Apixaban
54
Amlodipine Besylate
44
Furosemide
42
Brilinta
Ticagrelor
41
Metoprolol Tartrate
38

* 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 MALLORY LARSEN, PA-C 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

MALLORY LARSEN, PA-C's 1,421 claims are above the specialty average of 1,077.

Nearby Medical Physician Assistant Providers in Indiana

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

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

Frequently Asked Questions

What is MALLORY LARSEN, PA-C's specialty?
MALLORY LARSEN, PA-C specializes in Medical Physician Assistant and practices in INDIANAPOLIS, Indiana. Credentials: PA-C.
How much does MALLORY LARSEN, PA-C prescribe under Medicare Part D?
In 2023, MALLORY LARSEN, PA-C wrote 1,421 Medicare Part D claims totaling $180K in drug costs for 383 beneficiaries.
Where is MALLORY LARSEN, PA-C located?
MALLORY LARSEN, PA-C is located at 5330 E STOP 11 RD, INDIANAPOLIS, IN, 46237. Phone: (317) 893-1900.
What is MALLORY LARSEN, PA-C's NPI number?
MALLORY LARSEN, PA-C's National Provider Identifier (NPI) is 1255780656, issued on 06/07/2016.
Does MALLORY LARSEN, PA-C prescribe more brand-name or generic drugs?
MALLORY LARSEN, PA-C's prescribing is 12% brand-name and 88% generic drugs by claim count, with $157K 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 MALLORY LARSEN, PA-C prescribe most often?
Based on 2023 Medicare Part D data, MALLORY LARSEN, PA-C's most frequently prescribed drugs include Clopidogrel, Carvedilol, Metoprolol Succinate. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does MALLORY LARSEN, PA-C accept Medicare?
MALLORY LARSEN, PA-C appears in CMS Medicare data with 1,421 Part D claims and 383 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify MALLORY LARSEN, PA-C's credentials?
MALLORY LARSEN, PA-C's NPI is 1255780656 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.
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