Craig W. Irwin, M.D.
Internal Medicine Physician · Lexington, KY
Craig W. Irwin, M.D. is an internal medicine physician with a practice address in Lexington, Kentucky, and NPI 1922024124, issued on Jul 14, 2006. Check the license (Kentucky 36288, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Craig W. Irwin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 36288 KY
Self-reported in NPPES; status is on the state search - Practice location
- 630 Southpoint Dr, Lexington, KY 40515
- Phone
- (859) 272-1928
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 2, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (859) 271-9601
- Medicaid ID
- 64026065 KY
- Medicare enrollment
- Enrolled (PECOS I20080519000027); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 630 Southpoint Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hannah Atkins, PA-CPhysician Assistant1154659043
- Marisa Belcastro, MDFamily Medicine Physician1669634440
- Carolyn Del Chiaro, MDFamily Medicine Physician1184365736
- Meredith McCowanPhysician Assistant1962196964
- Jordan Prendergast, DOFamily Medicine Physician1396905998
Verify Craig W. Irwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 36288Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 63% of the cost of the top drugs
10,815 Medicare Part D claims for 736 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 75 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Atorvastatin Calcium1,141 claims
- Lisinopril451 claims
- Levothyroxine Sodium444 claims
- Amlodipine Besylate369 claims
- Omeprazole308 claims
- Montelukast Sodium267 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.
The MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- New Lexington Clinic PscLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Craig W. Irwin among 1,526 internal medicine physician records in Kentucky
Craig W. Irwin, M.D. is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1995 · median 2006 among the 1,025 with a school on file
- Record last updated2007 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
259 internal medicine physician records list a practice address in Lexington
They are 259 of the 14,031 NPPES records with a practice address in Lexington, and 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Lexington → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pamela Holland, M.D.Lexington, KY 405151700896578
- Brandon Conrad, M.D.Lexington, KY 405171841428059
- David Gammon, M.D.Lexington, KY 405131891720587
- Lisa Hall, M.D.Lexington, KY 405131922033513
- Samia Jahan, MDLexington, KY 405131043967763
- Christine Ko, M.D.Lexington, KY 405131174568455
- James Lynch, MDLexington, KY 405131497782478
- Andrea Lyons, M.D.Lexington, KY 405131043458540
Common questions
What is Craig W. Irwin, M.D.'s NPI number?
Craig W. Irwin, M.D.'s National Provider Identifier (NPI) is 1922024124, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Craig W. Irwin, M.D. located?
The NPPES record lists a practice address at 630 Southpoint Dr, Lexington, KY, 40515. Phone: (859) 272-1928. Providers update this record themselves, so call before visiting.
How can I verify Craig W. Irwin, M.D.'s license?
NPPES lists Kentucky license number 36288, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Craig W. Irwin, M.D. prescribe under Medicare Part D?
In 2024, Craig W. Irwin, M.D. had 10,815 Medicare Part D claims for 736 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Craig W. Irwin, M.D.'s MIPS final score?
The 2023 MIPS final score is 91 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.