ALLA Y GRIGORIAN MD
NPI 1275551244
Internal Medicine - Gastroenterology in Lexington, KY
About Alla Y Grigorian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLA Y GRIGORIAN MD (NPI 1275551244) is an individual gastroenterology provider in Lexington, Kentucky, licensed in Kentucky (39535) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Kentucky Hospital, and is a graduate of Other (1993).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alla Y Grigorian Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Alla Grigorian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lexington, KY 40517
- Reassigned Medicare billing, Kentucky enrollment
- 1,502 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Kentucky Hospital
Acute Care Hospitals · Lexington, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40536 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEXINGTON, KY 40536
LEXINGTON, KY 40536
LEXINGTON, KY 40536
LEXINGTON, KY 40536
LEXINGTON, KY 40536
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alla Grigorian's NPI number?
The NPI number for Alla Grigorian is 1275551244. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Alla Grigorian located?
Alla Grigorian practices at Uk Division Of Digestive Diseases 800 Rose Street, Mn654 Med Science Bldg, Lexington, KY 40536. The listed phone number is (859) 323-4887.
What is Alla Grigorian's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Alla Grigorian enrolled in Medicare?
Yes. Alla Grigorian is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Alla Grigorian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alla Grigorian reassigns Medicare benefits to Kentucky Medical Services Foundation, Inc (Lexington, KY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alla Grigorian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alla Grigorian accept?
Health plans from Anthem Blue Cross and Blue Shield list Alla Grigorian as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alla Grigorian affiliated with any hospitals?
According to CMS data, Alla Grigorian is affiliated with University Of Kentucky Hospital.
When was this NPI record last updated?
The NPPES record for Alla Grigorian was last updated on September 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alla Y Grigorian, MD · NPI 1275551244
Gastroenterology physician in Lexington, Kentucky. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1275551244 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 39535 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** UK DIVISION OF DIGESTIVE DISEASES, 800 ROSE STREET, MN654 MED SCIENCE BLDG, Lexington, KY 40536-0298
- **Phone:** (859) 323-4887 · **Fax:** (859) 257-8860
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kentucky Medical Services Foundation, Inc (NPI 1326091448, Lexington, KY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1993
## Record status
- **NPPES last updated:** September 24, 2014
- **Other identifiers:** Medicare PIN 3385718 (KY); Medicare UPIN I65712 (KY); Medicaid 7100014180 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1275551244) · Data from the CMS NPPES public registry.