DR. ALEXANDER G STEIN MD
NPI 1861440430
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Fargo, ND
About Dr. Alexander G Stein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER G STEIN MD (NPI 1861440430) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Fargo, North Dakota, licensed in North Dakota (21627) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 4
Other Identifiers 1
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
Dr. Alexander G Stein 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
18Medicare enrollment records show Alexander Stein reassigns Medicare billing to 18 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
West Fargo, ND 58078
- Reassigned Medicare billing, North Dakota enrollment
- 1,464 clinicians in this Medicare group
Grand Rapids, MN 55744
- Reassigned Medicare billing, Minnesota enrollment
- 1,460 clinicians in this Medicare group
Bismarck, ND 58504
- Reassigned Medicare billing, North Dakota enrollment
- 779 clinicians in this Medicare group
Omaha, NE 68154
- Reassigned Medicare billing, Nebraska enrollment
- 1,045 clinicians in this Medicare group
Lincoln, NE 68510
- Reassigned Medicare billing, Nebraska enrollment
- 525 clinicians in this Medicare group
Neenah, WI 54956
- Reassigned Medicare billing, Wisconsin enrollment
- 444 clinicians in this Medicare group
Janesville, WI 53548
- Reassigned Medicare billing, Wisconsin enrollment
- 1,155 clinicians in this Medicare group
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 clinicians in this Medicare group
Springfield, IL 62702
- Reassigned Medicare billing, Illinois enrollment
- 645 clinicians in this Medicare group
Saint Joseph, MI 49085
- Reassigned Medicare billing, Michigan enrollment
- 249 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Alexander Stein's NPI number?
The NPI number for Alexander Stein is 1861440430. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Alexander Stein located?
Alexander Stein practices at 5225 23rd Ave S, Fargo, ND 58104. The listed phone number is (701) 417-2575.
What is Alexander Stein's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Alexander Stein enrolled in Medicare?
Yes. Alexander Stein 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 Alexander Stein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Stein reassigns Medicare benefits to 18 organizations: Sanford Medical Center Fargo (West Fargo, ND), The Duluth Clinic Ltd (Grand Rapids, MN), Sanford Bismarck (Bismarck, ND), Alegent Creighton Clinic (Omaha, NE), Chi Health Clinic Specialty, LLC (Lincoln, NE) and 13 more organizations, listed in the Medicare section above. 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 Alexander Stein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Stein accept?
Health plans from Arkansas Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Blue Cross and Blue Shield of Nebraska and Health Advantage and 5 other insurers list Alexander Stein 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.
When was this NPI record last updated?
The NPPES record for Alexander Stein was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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. Alexander G Stein, MD · NPI 1861440430
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Fargo, North Dakota. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1861440430 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 21627 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 5225 23RD AVE S, Fargo, ND 58104-7927
- **Phone:** (701) 417-2575 · **Fax:** (310) 427-6763
## 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:** 18 organizations under Medicare reassignment (form CMS-855R): Sanford Medical Center Fargo (NPI 1184917924, West Fargo, ND); The Duluth Clinic Ltd (NPI 1184132664, Grand Rapids, MN); Sanford Bismarck (NPI 1811941172, Bismarck, ND); Alegent Creighton Clinic (NPI 1154680700, Omaha, NE); Chi Health Clinic Specialty, LLC (NPI 1285138065, Lincoln, NE); and 13 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1973
## Record status
- **NPPES last updated:** October 6, 2026
- **Other identifiers:** Medicaid 00A338770 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1861440430) · Data from the CMS NPPES public registry.