DR. ALEXEI VASILIEVICH AGAPITOV M.D.
NPI 1841201514
Internal Medicine - Cardiovascular Disease in Madison, WI
About Dr. Alexei Vasilievich Agapitov M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXEI VASILIEVICH AGAPITOV M.D. (NPI 1841201514) is an individual cardiovascular disease provider in Madison, Wisconsin, licensed in Wisconsin (52691-020) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and maintains a secondary practice location in Brookfield.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Alexei Vasilievich Agapitov 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
6Medicare enrollment records show Alexei Agapitov reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 1,377 clinicians in this Medicare group
Monroe, WI 53566
- Reassigned Medicare billing, Wisconsin enrollment
- 376 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Milwaukee, WI 53213
- Reassigned Medicare billing, Wisconsin enrollment
- 60 clinicians in this Medicare group
Manitowoc, WI 54220
- Reassigned Medicare billing, Wisconsin enrollment
- 350 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 26
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Clare Hospital - Baraboo
Acute Care Hospitals · Baraboo, WISsm Health St Mary's Hospital - Madison
Acute Care Hospitals · Madison, WISauk Prairie Hospital
Acute Care Hospitals · Prairie Du Sac, WISsm Health St Mary's Hospital - Janesville
Acute Care Hospitals · Janesville, WIUpland Hills Health
Critical Access Hospitals · Dodgeville, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 53715 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.
MADISON, WI 53715
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 Alexei Agapitov's NPI number?
The NPI number for Alexei Agapitov is 1841201514. It was assigned to this individual provider in the NPPES registry on August 10, 2006.
Where is Alexei Agapitov located?
Alexei Agapitov practices at 700 S Park St Ste A, Madison, WI 53715. The listed phone number is (608) 260-2900.
What is Alexei Agapitov's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Alexei Agapitov enrolled in Medicare?
Yes. Alexei Agapitov 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 Alexei Agapitov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexei Agapitov reassigns Medicare benefits to 6 organizations: Dean Health Systems, Inc (Madison, WI), The Monroe Clinic, Inc. (Monroe, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI), The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Wisconsin Health Fund (Milwaukee, WI) and 1 more organization, 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 Alexei Agapitov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexei Agapitov accept?
Health plans from Dean Health Plan list Alexei Agapitov 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 Alexei Agapitov affiliated with any hospitals?
According to CMS data, Alexei Agapitov is affiliated with Ssm Health St Clare Hospital - Baraboo, Ssm Health St Mary's Hospital - Madison, Sauk Prairie Hospital, Ssm Health St Mary's Hospital - Janesville and Upland Hills Health.
When was this NPI record last updated?
The NPPES record for Alexei Agapitov was last updated on November 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.