NIKOLAI TOLKACHEV
NPI 1912359431
Hospitalist in Fargo, ND
About Nikolai Tolkachev NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIKOLAI TOLKACHEV (NPI 1912359431) is an individual hospitalist provider in Fargo, North Dakota, licensed in North Dakota (15471) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS, is affiliated with Essentia Health St Marys - Detroit Lakes, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Nikolai Tolkachev 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
5Medicare enrollment records show Nikolai Tolkachev reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fargo, ND 58103
- Reassigned Medicare billing, North Dakota enrollment
- 617 clinicians in this Medicare group
Lake Park, MN 56554
- Reassigned Medicare billing, Minnesota enrollment
- Medicare enrollment name: St Marys Regional Health Center
- 254 clinicians in this Medicare group
Ada, MN 56510
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1366886186 (Minnesota)
- 35 clinicians in this Medicare group
Fosston, MN 56542
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1497850119 (Minnesota)
- 91 clinicians in this Medicare group
Graceville, MN 56240
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1982673620 (Minnesota)
- 31 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Essentia Health St Marys - Detroit Lakes
Acute Care Hospitals · Detroit Lakes, MNEssentia Health Fosston
Critical Access Hospitals · Fosston, MNPerham Health
Critical Access Hospitals · Perham, MNSt Francis Medical Center
Critical Access Hospitals · Breckenridge, MNEssentia Health
Acute Care Hospitals · Fargo, NDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 58103 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FARGO, ND 58103
FARGO, ND 58103
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 Nikolai Tolkachev's NPI number?
The NPI number for Nikolai Tolkachev is 1912359431. It was assigned to this individual provider in the NPPES registry on July 8, 2016.
Where is Nikolai Tolkachev located?
Nikolai Tolkachev practices at 3000 32nd Avenue South, Fargo, ND 58103. The listed phone number is (701) 364-8000.
What is Nikolai Tolkachev's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nikolai Tolkachev enrolled in Medicare?
Yes. Nikolai Tolkachev 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 Nikolai Tolkachev's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nikolai Tolkachev reassigns Medicare benefits to 5 organizations: Innovis Health, LLC (Fargo, ND), St. Mary's Regional Health Center (Lake Park, MN), Bridges Medical Center (Ada, MN), First Care Medical Services (Fosston, MN) and Graceville Health Center (Graceville, MN). 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 Nikolai Tolkachev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nikolai Tolkachev accept?
Health plans from Blue Cross Blue Shield of North Dakota list Nikolai Tolkachev 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 Nikolai Tolkachev affiliated with any hospitals?
According to CMS data, Nikolai Tolkachev is affiliated with Essentia Health St Marys - Detroit Lakes, Essentia Health Fosston, Perham Health, St Francis Medical Center and Essentia Health.
When was this NPI record last updated?
The NPPES record for Nikolai Tolkachev was last updated on June 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Nikolai Tolkachev · NPI 1912359431
Hospitalist physician in Fargo, North Dakota. Individual provider, active in the CMS NPPES registry since July 8, 2016.
## Identity
- **NPI:** 1912359431 (Entity type: Individual)
- **Enumerated:** July 8, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 15471 (North Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 3000 32ND AVENUE SOUTH, Fargo, ND 58103
- **Phone:** (701) 364-8000 · **Fax:** (701) 364-8078
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Innovis Health, LLC (NPI 1215125463, Fargo, ND); St. Mary's Regional Health Center (NPI 1548604309, Lake Park, MN); Bridges Medical Center (NPI 1306836598, Ada, MN); First Care Medical Services (NPI 1073638565, Fosston, MN); Graceville Health Center (NPI 1013976281, Graceville, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** June 12, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1912359431) · Data from the CMS NPPES public registry.