Marc D. Irwin, MD
Family Medicine Physician · Canyon, TX
Marc D. 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 D. 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
- Record last updated
- Dec 31, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (806) 655-0522
- Medicaid IDs
- 092485403 TX
125233003 TX - Medicare enrollment
- Enrolled (PECOS I20100414000513); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
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 D. 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
13% 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 3,544 among the 117,163 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 MIPS final 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; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Fmc Medical Foundation, Inc.Canyon, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc D. Irwin among 11,119 family medicine physician records in Texas
Marc D. Irwin, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1988 · median 2004 among the 7,095 with a school on file
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 family medicine physician records list a practice address in Canyon
They are 8 of the 150 NPPES records with a practice address in Canyon, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Canyon → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dennis Canon, MDCanyon, TX 790151578650586
- Harry Cazzola, MDCanyon, TX 790151487673695
- David Clarke, MDCanyon, TX 790151245241231
- Amanda Hartman, M.D.Canyon, TX 790151003159856
- Tori Marnell, MDCanyon, TX 790151962452961
- Lawrence McAfee, MDCanyon, TX 790151578574695
- George Cook, MDCanadian, TX 790141518959147
- James Gibbs, M.D.Canyon, TX 790161992869929
Common questions
What is Marc D. Irwin, MD's NPI number?
Marc D. 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 D. 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 D. 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 D. Irwin, MD prescribe under Medicare Part D?
In 2024, Marc D. Irwin, MD had 4,000 Medicare Part D claims for 342 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Marc D. Irwin, MD's MIPS final 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), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.