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DR. ALFREDO RAFAEL RAMIREZ M.D.
NPI 1003829417
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Great Falls, MT

Active since August 15, 2006PECOS EnrolledAccepts Medicare Assignment
1300 28TH ST S FL 2, GREAT FALLS, MT 59405(406) 455-4320(406) 731-8318 Get Directions Write a Review

NPPES record last updated: December 22, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 22, 2025, Mar 6, 2020 (2 updates tracked since 2020).

About Dr. Alfredo Rafael Ramirez M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALFREDO RAFAEL RAMIREZ M.D. (NPI 1003829417) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Great Falls, Montana, licensed in Montana (88580) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Benefis Hospitals Inc, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1003829417
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. ALFREDO RAFAEL RAMIREZCredential: M.D.
Location Address1300 28TH ST S FL 2Great Falls, MT 59405-5296
Mailing AddressPo Box 232410San Diego, CA 92193-2410
Phone(406) 455-4320
Fax(406) 731-8318
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateAugust 15, 2006
Last NPPES UpdateDecember 22, 20252 updates tracked since enumeration
NPPES CertifiedDecember 22, 2025
✔ NPI 1003829417 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
Licenses✔ Licensed in MT · 88580✔ Licensed in CA · A101070✔ Licensed in IL · 036111837
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
1300 28TH ST S FL 2, Great Falls, MT 59405
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1200 W Arbor DrSan Diego, CA 92103-9000 · Phone (800) 926-8273
Location 2Naval Medical Center San Diego, 34800 Bob Wilson DriveSan Diego, CA 92134-1403 · Phone (619) 532-9140 · Fax (619) 532-8799

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Capital Health Plan, Florida Blue (BlueCross BlueShield FL) and more.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

Dr. Alfredo Rafael Ramirez 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.

PECOS PAC ID4284630401
PECOS Enrollment IDI20200821002158
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare enrollment records show Alfredo Ramirez reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Benefis Hospitals, Inc.
Same address
General Acute Care Hospital
1101 26TH ST S
Great Falls, MT 59405
  • Reassigned Medicare billing, Montana enrollment
  • 637 clinicians in this Medicare group
NPI 1881650737 (406) 455-5000
Regents Of The University Of California
1,063 mi
Thoracic Surgery (Cardiothoracic Vascular Surgery)
200 W ARBOR DR
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
NPI 1235232778 (800) 926-8273
Rockford Health Physicians
1,141 mi
Anesthesiology
2400 N ROCKTON AVE
Rockford, IL 61103
  • Reassigned Medicare billing, Illinois enrollment
  • 1,375 clinicians in this Medicare group
NPI 1023275278 (815) 971-5000
Tallahassee Memorial Healthcare Inc
1,785 mi
Cardiovascular Disease
877 3RD ST STE 3
Chipley, FL 32428
  • Reassigned Medicare billing, Florida enrollment
  • 654 clinicians in this Medicare group
NPI 1679199236 (850) 216-0100

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 4

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
52 services52 patients
Coronary artery bypass using artery graft, 1 graft 33533
A coronary artery bypass with one artery graft is a surgical procedure to improve blood flow to your heart. An artery from another part of your body is used to bypass a blocked or narrowed coronary artery. This can help reduce chest pain and risk of heart attack.
17 services17 patients
Harvest of vein using an endoscope 33508
Harvesting a vein using an endoscope is a procedure where a small camera is used to help surgeons remove a vein from your body. This vein is often used to bypass a blocked artery, improving blood flow to your heart.
15 services15 patients
Exclusion of appendage of left upper chamber of heart performed during other procedure on chest 33268
This is a procedure done on the heart's left upper chamber (atrium). The small pouch-like appendage is sealed off during another chest procedure. This is done to reduce the risk of blood clots forming and causing strokes.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Benefis Hospitals Inc

Acute Care Hospitals · Great Falls, MT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270012
Location1101 26th St SGreat Falls, MT 59405 · Cascade County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$172.26 typical visit price
range $56.81 – $172.26
Typical copayment $43.06 (range $14.20 – $43.06)
Most-billed visit code 99205
Established Patient
$70.82 typical visit price
range $18.24 – $140.32
Typical copayment $17.70 (range $4.56 – $35.08)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAURA SEAMAN FNP-C
Nurse Practitioner (Family)
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
AMBER MOLNAR AGACNP
Nurse Practitioner
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
MR. MARTIN CAMACHO APRN-RX, ACNP-BC
Nurse Practitioner
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
ASHLEY MICHELE CAMPBELL ACNPC-AG
Nurse Practitioner (Acute Care)
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
SUPRAJA THUNUGUNTLA
Internal Medicine (Clinical Cardiac Electrophysiology)
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
DR. STEVEN LEWIS GOLDBERG M.D.
Internal Medicine (Interventional Cardiology)
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 731-8888
NICHOLAS RECKERS PA-C
Physician Assistant
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320
RACHEL D'URSO
Physician Assistant
1300 28TH ST S FL 2
GREAT FALLS, MT 59405
Cascade County (406) 455-4320

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 Alfredo Ramirez's NPI number?

The NPI number for Alfredo Ramirez is 1003829417. It was assigned to this individual provider in the NPPES registry on August 15, 2006.

Where is Alfredo Ramirez located?

Alfredo Ramirez practices at 1300 28th St S Fl 2, Great Falls, MT 59405. The listed phone number is (406) 455-4320.

What is Alfredo Ramirez's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Alfredo Ramirez enrolled in Medicare?

Yes. Alfredo 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 Alfredo Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alfredo Ramirez reassigns Medicare benefits to 4 organizations: Benefis Hospitals, Inc. (Great Falls, MT), Regents Of The University Of California (San Diego, CA), Rockford Health Physicians (Rockford, IL) and Tallahassee Memorial Healthcare Inc (Chipley, FL). 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 Alfredo Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alfredo Ramirez accept?

Health plans from Blue Cross and Blue Shield of Montana, Capital Health Plan, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Mountain Health CO-OP and 2 other insurers list Alfredo 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 Alfredo Ramirez affiliated with any hospitals?

According to CMS data, Alfredo Ramirez is affiliated with Benefis Hospitals Inc.

When was this NPI record last updated?

The NPPES record for Alfredo Ramirez was last updated on December 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.