DR. MARIKA L HENEGAN MD
NPI 1477558385
Family Medicine in Keene, NH
About Dr. Marika L Henegan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIKA L HENEGAN MD (NPI 1477558385) is an individual family medicine provider in Keene, New Hampshire, licensed in New Hampshire (12113) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and is a graduate of Oregon Health Sciences University School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 13
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. Marika L Henegan 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
3Medicare enrollment records show Marika Henegan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1386697803 (New Hampshire)
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 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 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Marika Henegan's NPI number?
The NPI number for Marika Henegan is 1477558385. It was assigned to this individual provider in the NPPES registry on June 16, 2005. The provider is also known as Marika L Ostroski MD.
Where is Marika Henegan located?
Marika Henegan practices at 590 Court St Dartmouth-Hitchcock Keene, Keene, NH 03431. The listed phone number is (603) 354-5400.
What is Marika Henegan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marika Henegan enrolled in Medicare?
Yes. Marika Henegan 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 Marika Henegan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marika Henegan reassigns Medicare benefits to 3 organizations: Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH) and Mary Hitchcock Memorial Hospital (Lebanon, NH). 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 Marika Henegan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marika Henegan accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Marika Henegan 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 Marika Henegan affiliated with any hospitals?
According to CMS data, Marika Henegan is affiliated with Mary Hitchcock Memorial Hospital and Cheshire Medical Center.
When was this NPI record last updated?
The NPPES record for Marika Henegan was last updated on September 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Dr. Marika L Henegan, MD · NPI 1477558385
Family Medicine physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since June 16, 2005.
## Identity
- **NPI:** 1477558385 (Entity type: Individual)
- **Enumerated:** June 16, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 12113 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 590 COURT ST, DARTMOUTH-HITCHCOCK KEENE, Keene, NH 03431-1719
- **Phone:** (603) 354-5400 · **Fax:** (603) 354-6562
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Cheshire Medical Center (NPI 1306349444, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); Mary Hitchcock Memorial Hospital (NPI 1023092053, Lebanon, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Oregon Health Sciences University School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** September 22, 2017
- **Other identifiers:** Other 222594672 (NH); Medicare PIN RE747401 (NH); Other 01YP05493NH01 (NH); and 10 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477558385) · Data from the CMS NPPES public registry.