OLEG GERASIMOV APRN, FNP
NPI 1497417109
Nurse Practitioner in Concord, NH
About Oleg Gerasimov Aprn, Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OLEG GERASIMOV APRN, FNP (NPI 1497417109) is an individual nurse practitioner in Concord, New Hampshire, licensed in New Hampshire (072141-23) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS, is affiliated with Littleton Regional Healthcare, and is a graduate of Other (2020).
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
Oleg Gerasimov Aprn, Fnp 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 Reassignment
Medicare enrollment records show Oleg Gerasimov reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Plymouth, NH 03264
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1144223702 (New Hampshire)
- 219 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Littleton Regional Healthcare
Critical Access Hospitals · Littleton, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03301 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 7
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 Oleg Gerasimov's NPI number?
The NPI number for Oleg Gerasimov is 1497417109. It was assigned to this individual provider in the NPPES registry on October 10, 2021.
Where is Oleg Gerasimov located?
Oleg Gerasimov practices at 281 N State St, Concord, NH 03301. The listed phone number is (603) 271-7936.
What is Oleg Gerasimov's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Oleg Gerasimov enrolled in Medicare?
Yes. Oleg Gerasimov 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 organization bills Medicare for Oleg Gerasimov's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oleg Gerasimov reassigns Medicare benefits to Littleton Hospital Association (Plymouth, NH). The 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 Oleg Gerasimov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oleg Gerasimov accept?
Health plans from Anthem Blue Cross and Blue Shield list Oleg Gerasimov 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 Oleg Gerasimov affiliated with any hospitals?
According to CMS data, Oleg Gerasimov is affiliated with Littleton Regional Healthcare.
When was this NPI record last updated?
The NPPES record for Oleg Gerasimov was last updated on October 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Oleg Gerasimov, APRN, FNP · NPI 1497417109
Nurse Practitioner physician in Concord, New Hampshire. Individual provider, active in the CMS NPPES registry since October 10, 2021.
## Identity
- **NPI:** 1497417109 (Entity type: Individual)
- **Enumerated:** October 10, 2021
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 072141-23 (New Hampshire)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 281 N STATE ST, Concord, NH 03301-3227
- **Phone:** (603) 271-7936
## 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:** Littleton Hospital Association (NPI 1033487582, Plymouth, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** October 10, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1497417109) · Data from the CMS NPPES public registry.