DR. MARK ALLEN STACY D.O.
NPI 1922322486
Anesthesiology in Indianapolis, IN
About Dr. Mark Allen Stacy D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK ALLEN STACY D.O. (NPI 1922322486) is an individual anesthesiology provider in Indianapolis, Indiana, licensed in Indiana (11015131A) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with St Luke's Regional Medical Center, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mark Allen Stacy D.o. 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 Mark Stacy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Boise, ID 83712
- Reassigned Medicare billing, Idaho enrollment
- 233 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 2
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Luke's Regional Medical Center
Acute Care Hospitals · Boise, IDSt Luke's Nampa Medical Center
Acute Care Hospitals · Nampa, IDOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46222
INDIANAPOLIS, IN 46222
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 Mark Stacy's NPI number?
The NPI number for Mark Stacy is 1922322486. It was assigned to this individual provider in the NPPES registry on March 26, 2010.
Where is Mark Stacy located?
Mark Stacy practices at 3630 Guion Rd, Indianapolis, IN 46222. The listed phone number is (317) 920-7280.
What is Mark Stacy's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Stacy enrolled in Medicare?
Yes. Mark Stacy 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 Mark Stacy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Stacy reassigns Medicare benefits to Anesthesia Associates Of Boise, P.A. (Boise, ID). 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 Mark Stacy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Stacy affiliated with any hospitals?
According to CMS data, Mark Stacy is affiliated with St Luke's Regional Medical Center and St Luke's Nampa Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Stacy was last updated on March 26, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.