Marc Irwin, MD
Family Medicine Physician · Canyon, TX
Marc Irwin, MD is a family medicine physician with a practice address in Canyon, Texas, and NPI 1972514974, issued on Aug 11, 2006. Check the license (Texas K3255, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marc Irwin
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- K3255 TX
Self-reported in NPPES; status is on the state search - Practice location
- 911 23RD St, Canyon, TX 79015
- Phone
- (806) 655-2104
- Enumerated
- Aug 11, 2006
- Entity
- Type 1 · individual
Also registered at 911 23RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Clarke, MDFamily Medicine Physician1245241231
- Brandy Dempsey, FNPNurse Practitioner1447746649
- Mandy Dobrowolski, FNPFamily Nurse Practitioner1780357897
- Sean Green, PA-CPhysician Assistant1679585517
- Brytnie Halencak, FNP-CFamily Nurse Practitioner1861351629
- Kourtney Horwood, APRN, FNP-CFamily Nurse Practitioner1568330579
Verify Marc Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K3255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
14% more Medicare Part D claims than the average family medicine physician in 2024
4,000 Medicare Part D claims for 342 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 461 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen253 claims
- Atorvastatin Calcium232 claims
- Levothyroxine Sodium221 claims
- Lisinopril131 claims
- Tramadol Hcl130 claims
- Amlodipine Besylate126 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured Medicare quality score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $108.25
6 payments, mostly food and beverage; the largest payer was Novo Nordisk Inc. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Fmc Medical Foundation, Inc.Canyon, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7 family medicine physician records list a Canyon practice address
They are 7 of the 150 NPPES records with a Canyon practice address, and 10,592 family medicine physician records in Texas.
All 7 in Canyon → All 10,592 in Texas → Every provider in Canyon →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Syed Abbas, M.D.Houston, TX1821267477
- Lisa Abbott, M.D.Mansfield, TX1700847779
Common questions
What is Marc Irwin, MD's NPI number?
Marc Irwin, MD's National Provider Identifier (NPI) is 1972514974, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Irwin, MD located?
The NPPES record lists a practice address at 911 23RD St, Canyon, TX, 79015. Phone: (806) 655-2104. Providers update this record themselves, so call before visiting.
How can I verify Marc Irwin, MD's license?
NPPES lists Texas license number K3255, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc Irwin, MD prescribe under Medicare Part D?
In 2024, Marc Irwin, MD had 4,000 Medicare Part D claims for 342 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is Marc Irwin, MD's Medicare quality score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.