ALBERTO A RAMIREZ MD
NPI 1790731966
Anesthesiology in Billings, MT
About Alberto A Ramirez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALBERTO A RAMIREZ MD (NPI 1790731966) is an individual anesthesiology provider in Billings, Montana, licensed in Montana (28278) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Luminis Health Anne Arundel Medical Center, Inc, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
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
Alberto A Ramirez 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 Reassignments
3Medicare enrollment records show Alberto Ramirez reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 1,264 clinicians in this Medicare group
Billings, MT 59101
- Reassigned Medicare billing, Montana enrollment
- 86 clinicians in this Medicare group
Annapolis, MD 21401
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- 391 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.
Luminis Health Anne Arundel Medical Center, Inc
Acute Care Hospitals · Annapolis, MDBillings Clinic
Acute Care Hospitals · Billings, MTMedicare 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.
BILLINGS, MT 59101
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 Alberto Ramirez's NPI number?
The NPI number for Alberto Ramirez is 1790731966. It was assigned to this individual provider in the NPPES registry on May 26, 2006.
Where is Alberto Ramirez located?
Alberto Ramirez practices at 2800 10th Ave N, Billings, MT 59101. The listed phone number is (406) 238-2500.
What is Alberto Ramirez's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alberto Ramirez enrolled in Medicare?
Yes. Alberto Ramirez 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 Alberto Ramirez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alberto Ramirez reassigns Medicare benefits to 3 organizations: Billings Clinic (Billings, MT), Granite Peak Anesthesiology Consultants (Billings, MT) and Anesthesia Company, LLC (Annapolis, MD). 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 Alberto Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alberto Ramirez accept?
Health plans from Blue Cross and Blue Shield of Montana, CareSource (Common Ground Healthcare) and Mountain Health CO-OP list Alberto Ramirez 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 Alberto Ramirez affiliated with any hospitals?
According to CMS data, Alberto Ramirez is affiliated with Luminis Health Anne Arundel Medical Center, Inc and Billings Clinic.
When was this NPI record last updated?
The NPPES record for Alberto Ramirez was last updated on January 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alberto A Ramirez, MD · NPI 1790731966
Anesthesiology physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since May 26, 2006.
## Identity
- **NPI:** 1790731966 (Entity type: Individual)
- **Enumerated:** May 26, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 28278 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 10TH AVE N, Billings, MT 59101
- **Phone:** (406) 238-2500
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Billings Clinic (NPI 1326104845, Billings, MT); Granite Peak Anesthesiology Consultants (NPI 1700637907, Billings, MT); Anesthesia Company, LLC (NPI 1871548156, Annapolis, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** January 29, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1790731966) · Data from the CMS NPPES public registry.