Alla Y. Grigorian, MD
Gastroenterology Physician · Lexington, KY
Alla Y. Grigorian, MD is a gastroenterology physician with a practice address in Lexington, Kentucky, and NPI 1275551244, issued on Jul 18, 2006. Check the license (Kentucky 39535, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Alla Y. Grigorian
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 39535 KY
Self-reported in NPPES; status is on the state search - Practice location
- UK Division OF Digestive Diseases, Lexington, KY 40536
- Phone
- (859) 323-4887
- Enumerated
- Jul 18, 2006
- Record last updated
- Sep 24, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (859) 257-8860
- Medicaid ID
- 7100014180 KY
- Medicare enrollment
- Enrolled (PECOS I20070109000107); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at UK Division OF Digestive Diseases
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Terrence Barrett, MDGastroenterology Physician1396719977
- Annu Gupta, M.DHepatology Physician1972944817
- Angela Hensley, NP-CNurse Practitioner1790921443
- Lucas Kennedy, PAPhysician Assistant1205162252
- Kimberly Whitley, PAPhysician Assistant1447493408
Verify Alla Y. Grigorian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license 39535Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average gastroenterology physician in 2024
278 Medicare Part D claims for 72 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Xifaxan68 claims
- Peg-3350 And Electrolytes20 claims
- Spironolactone19 claims
- Furosemide16 claims
- Carvedilol15 claims
- Omeprazole15 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Kentucky Medical Services Foundation, IncLexington, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in Kentucky
There are 226 gastroenterology physician records in Kentucky.
Other gastroenterology physician records in Kentucky
- Thomas Abell, MDLouisville, KY1174567382
- Chike Anusionwu, MDFlorence, KY1821043217
- Avinash Aravantagi, M.D.Bowling Green, KY1154577336
- Abrar Arshad, MDBowling Green, KY1609860501
- Matthew Ashmun, M.D.Lexington, KY1912948225
- Bilal Aslam, MDLexington, KY1790193100
- Joseph Auer, M.D.Lexington, KY1841453545
- Andrew Bailey, M.D.Louisville, KY1083616759
- Terrence Barrett, MDLexington, KY1396719977
- Ashutosh Barve, M.D., PH.D.Louisville, KY1194867747
Common questions
What is Alla Y. Grigorian, MD's NPI number?
Alla Y. Grigorian, MD's National Provider Identifier (NPI) is 1275551244, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alla Y. Grigorian, MD located?
The NPPES record lists a practice address at UK Division OF Digestive Diseases, Lexington, KY, 40536. Phone: (859) 323-4887. Providers update this record themselves, so call before visiting.
How can I verify Alla Y. Grigorian, MD's license?
NPPES lists Kentucky license number 39535, 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 Alla Y. Grigorian, MD prescribe under Medicare Part D?
In 2024, Alla Y. Grigorian, MD had 278 Medicare Part D claims for 72 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Alla Y. Grigorian, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.