DR. MARK A RAINOSEK M.D.
NPI 1255303053
Anesthesiology in Anchorage, AK
About Dr. Mark A Rainosek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK A RAINOSEK M.D. (NPI 1255303053) is an individual anesthesiology provider in Anchorage, Alaska, licensed in Alaska (4089) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Unm Hospital, and is a graduate of University Of New Mexico School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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 A Rainosek M.d. 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 Reassignments
4Medicare enrollment records show Mark Rainosek reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Anchorage, AK 99508
- Reassigned Medicare billing, Alaska enrollment
- 79 clinicians in this Medicare group
Anchorage, AK 99501
- Reassigned Medicare billing, Alaska enrollment
- 3 clinicians in this Medicare group
Fairbanks, AK 99709
- Reassigned Medicare billing, Alaska enrollment
- 69 clinicians in this Medicare group
Albuquerque, NM 87106
- Reassigned Medicare billing, New Mexico enrollment
- 2,105 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unm Hospital
Acute Care Hospitals · Albuquerque, NMMedicare 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ANCHORAGE, AK 99508
ANCHORAGE, AK 99508
ANCHORAGE, AK 99508
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 Rainosek's NPI number?
The NPI number for Mark Rainosek is 1255303053. It was assigned to this individual provider in the NPPES registry on February 6, 2006.
Where is Mark Rainosek located?
Mark Rainosek practices at 1200 Airport Heights Dr Suite 355, Anchorage, AK 99508. The listed phone number is (907) 258-2149.
What is Mark Rainosek's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Mark Rainosek enrolled in Medicare?
Yes. Mark Rainosek 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 organizations bill Medicare for Mark Rainosek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Rainosek reassigns Medicare benefits to 4 organizations: Chugach Anesthesia, LLC (Anchorage, AK), Susitna Anesthesia Associates (Anchorage, AK), Denali Anesthesia, LLC (Fairbanks, AK) and Unm Medical Group Inc (Albuquerque, NM). Each 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 Rainosek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Rainosek affiliated with any hospitals?
According to CMS data, Mark Rainosek is affiliated with Unm Hospital.
When was this NPI record last updated?
The NPPES record for Mark Rainosek was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Mark A Rainosek, M.D. · NPI 1255303053
Anesthesiology physician in Anchorage, Alaska. Individual provider, active in the CMS NPPES registry since February 6, 2006.
## Identity
- **NPI:** 1255303053 (Entity type: Individual)
- **Enumerated:** February 6, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4089 (Alaska)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 AIRPORT HEIGHTS DR, SUITE 355, Anchorage, AK 99508-2943
- **Phone:** (907) 258-2149 · **Fax:** (907) 258-2147
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Chugach Anesthesia, LLC (NPI 1093712358, Anchorage, AK); Susitna Anesthesia Associates (NPI 1659748069, Anchorage, AK); Denali Anesthesia, LLC (NPI 1508854712, Fairbanks, AK); Unm Medical Group Inc (NPI 1831218627, Albuquerque, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of New Mexico School Of Medicine, class of 1992
## Record status
- **NPPES last updated:** October 10, 2024
- **Other identifiers:** Medicaid MD40891 (AK)
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Source: [NPI Profile](https://npiprofile.com/npi/1255303053) · Data from the CMS NPPES public registry.