Michael L. Marsh, PA-C

  • Jamestown, NY
  • Physician assistant
NPI1043746241
Medicare services, 2024
194
Medicare patients, 2024
189
Part D claims, 2024
248
Hospital affiliations
1
Industry payments
$37
Practice address
207 Foote Avenue, Jamestown, NY 14701
Practice phone
Call (716) 487-0141
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

UPMC Chautauqua

Hospital · Jamestown, New York

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Michael L. Marsh is a physician assistant in Jamestown, New York

Michael Marsh practices at UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center.

Michael Marsh's NPI, 1043746241, was assigned on May 8, 2017. Michael Marsh holds New York license 020927-1.

NPI and contact details
NPI enumeration date
May 8, 2017
NPI status
Active
Practice phone
(716) 487-0141
Professional email
Get email
Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Michael L. Marsh practices at UPMC Chautauqua in Jamestown, New York

Michael Marsh's primary practice is UPMC Chautauqua, at 207 Foote Avenue, Jamestown, NY 14701 in Chautauqua County. The practice phone is (716) 487-0141.

  • UPMC Chautauqua
    207 Foote Avenue, Jamestown, NY 14701 · Chautauqua CountyPhone(716) 487-0141

Source: Dmand AI Affiliation Data

Michael L. Marsh is affiliated with 1 site of care and 1 medical group

Michael Marsh's primary practice is UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center. The medical group on file is Jamestown Primary Care.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michael L. Marsh's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michael Marsh practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UPMC ChautauquaAvailable with a free account

Source: Dmand AI Technology Install Data

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Michael L. Marsh is one of 11,456 physician assistants in New York

Physician assistant is Michael Marsh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Marsh is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 020927-1 · taxonomy 363A00000X

Physician assistants near Michael Marsh

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michael L. Marsh billed Medicare for 194 services in 2024

CMS data shows 194 Medicare services from Michael Marsh across 3 procedure codes in 2024, for 189 Medicare patients. Medicare paid $15,713 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024194
Medicare patients189
Paid by Medicare$15,713
Procedure codes3

Michael Marsh compared with the New York median for physician assistants, 2024

  • Michael Marsh
  • New York median
Medicare services
194vs 17610% above
Medicare patients
189vs 782.4 times
Part D claims
155vs 24537% below

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Michael Marsh's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Michael Marsh

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Michael L. Marsh treated 189 Medicare patients in 2024, average age 69

CMS counts 189 Medicare patients who saw Michael Marsh in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 52% are also on Medicaid. Their average risk score is 1.79, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Michael Marsh's median patient age at 69, with 56% women.

Medicare patients, 2024189
Average age69
Average risk score1.79
Also on Medicaid52%

Michael Marsh's Medicare patients by age, 2024

Michael Marsh's Medicare patients by sex, 2024

  • Women9651%
  • Men9349%

Chronic conditions among Michael Marsh's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis52%
  4. Mood disorders39%
  5. Depression35%
  6. Anxiety34%
  7. Chronic kidney disease32%
  8. Diabetes30%

Share of Medicare patients with each condition. A patient can have several.

Michael Marsh's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women56%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Michael L. Marsh wrote 248 Medicare Part D claims in 2024

In 2024, Michael Marsh wrote 248 Medicare Part D claims for 190 patients. 97% of them were for generic drugs. CMS names the drug for 155 of them, across 8 drugs with 11 or more claims each, at $752 in total drug cost.

Part D claims, 2024248
Drugs named by CMS8
Total drug cost$752
Part D patients190

Michael Marsh's Part D claims by kind of drug, 2024

  • Generic240 claims97%
  • Brand-name and other8 claims3%

Michael Marsh's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Michael Marsh's Part D claims, 2024

  • Opioids19%47 of 248 claims
  • Antibiotics38%94 of 248 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Michael Marsh

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Michael L. Marsh received $37 in industry payments in 2025

CMS Open Payments shows 1 general payment to Michael Marsh from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $37.

Companies that paid Michael Marsh the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Michael Marsh

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Michael L. Marsh's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michael L. Marsh

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michael L. Marsh's NPI number?

Michael L. Marsh's NPI number is 1043746241. It was assigned on May 8, 2017, and it is active in the NPI Registry.

What does Michael L. Marsh specialize in?

Michael L. Marsh is a physician assistant in Jamestown, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Michael L. Marsh practice?

Michael Marsh practices at 207 Foote Avenue, Jamestown, NY 14701. Michael Marsh's primary practice is UPMC Chautauqua in Jamestown, New York, part of University of Pittsburgh Medical Center.

What is Michael L. Marsh's office phone number?

The practice phone on file for Michael Marsh is (716) 487-0141.

What is Michael L. Marsh's medical license number?

Michael Marsh holds New York license 020927-1.

Which hospitals is Michael L. Marsh affiliated with?

Michael Marsh practices at UPMC Chautauqua in Jamestown, New York.

What medical group is Michael L. Marsh part of?

Michael Marsh is linked to Jamestown Primary Care.

Does Michael L. Marsh accept Medicare?

Yes. CMS data shows Michael Marsh billed Medicare for 194 services in 2024.

How many Medicare patients does Michael L. Marsh see?

CMS counts 189 Medicare patients who saw Michael Marsh in 2024, with an average age of 69.

What services does Michael L. Marsh bill to Medicare?

In 2024, Michael Marsh's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).

Show 3 more questionsShow fewer questions

What drugs does Michael L. Marsh prescribe most?

In 2024 Medicare Part D data, Michael Marsh's most prescribed drugs by claims were Cephalexin, Diclofenac Sodium and Tramadol HCl.

Has Michael L. Marsh received payments from drug or device companies?

CMS Open Payments shows $37 in general payments to Michael Marsh from 1 company from 2025 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.

How long has Michael L. Marsh been practicing?

Michael Marsh's NPI was assigned in 2017.

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