ROBIN MARY GREB CNP
NPI 1548613177
Nurse Practitioner in Manchester, NH
About Robin Mary Greb Cnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBIN MARY GREB CNP (NPI 1548613177) is an individual nurse practitioner in Manchester, New Hampshire, licensed in New Hampshire (113760-23) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
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
Robin Mary Greb Cnp 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
2Medicare enrollment records show Robin Greb reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hampstead, NH 03841
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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, NHElliot Hospital
Acute Care Hospitals · Manchester, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03104 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MANCHESTER, NH 03104
MANCHESTER, NH 03104
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 Robin Greb's NPI number?
The NPI number for Robin Greb is 1548613177. It was assigned to this individual provider in the NPPES registry on July 19, 2016. The provider is also known as Robin Mary Arel Cnp.
Where is Robin Greb located?
Robin Greb practices at 100 Hitchcock Way # 03104000, Manchester, NH 03104. The listed phone number is (603) 695-2500.
What is Robin Greb's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Robin Greb enrolled in Medicare?
Yes. Robin Greb 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 Robin Greb's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robin Greb reassigns Medicare benefits to 2 organizations: Mary Hitchcock Memorial Hospital (Hampstead, NH) and Dartmouth-Hitchcock Clinic (Keene, 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 Robin Greb's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robin Greb accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Taro Health list Robin Greb 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 Robin Greb affiliated with any hospitals?
According to CMS data, Robin Greb is affiliated with Mary Hitchcock Memorial Hospital and Elliot Hospital.
When was this NPI record last updated?
The NPPES record for Robin Greb was last updated on July 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Robin Mary Greb, CNP · NPI 1548613177
Nurse Practitioner physician in Manchester, New Hampshire. Individual provider, active in the CMS NPPES registry since July 19, 2016.
## Identity
- **NPI:** 1548613177 (Entity type: Individual)
- **Enumerated:** July 19, 2016
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 113760-23 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HITCHCOCK WAY # 03104000, Manchester, NH 03104-4125
- **Phone:** (603) 695-2500
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Mary Hitchcock Memorial Hospital (NPI 1699584219, Hampstead, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** July 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1548613177) · Data from the CMS NPPES public registry.