DR. GREGORY JAMES MARROW OD
NPI 1720077076
Optometrist in North Hampton, NH
About Dr. Gregory James Marrow Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY JAMES MARROW OD (NPI 1720077076) is an individual optometrist in North Hampton, New Hampshire, licensed in New Hampshire (922) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.
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 (PECOS)
Dr. Gregory James Marrow Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Gregory Marrow reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
North Hampton, NH 03862
- Reassigned Medicare billing, New Hampshire enrollment
- 2 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03862 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.
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 Gregory Marrow's NPI number?
The NPI number for Gregory Marrow is 1720077076. It was assigned to this individual provider in the NPPES registry on October 19, 2005.
Where is Gregory Marrow located?
Gregory Marrow practices at 44 Lafayette Rd Unit 4, North Hampton, NH 03862. The listed phone number is (603) 781-0427.
What is Gregory Marrow's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Gregory Marrow enrolled in Medicare?
Yes. Gregory Marrow is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Gregory Marrow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Marrow reassigns Medicare benefits to Coastal Eye & Wellness (North Hampton, 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 Gregory Marrow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Marrow accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Providence Health Plan list Gregory Marrow 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.
When was this NPI record last updated?
The NPPES record for Gregory Marrow was last updated on February 19, 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. Gregory James Marrow, OD · NPI 1720077076
Optometrist provider in North Hampton, New Hampshire. Individual provider, active in the CMS NPPES registry since October 19, 2005.
## Identity
- **NPI:** 1720077076 (Entity type: Individual)
- **Enumerated:** October 19, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 922 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 44 LAFAYETTE RD UNIT 4, North Hampton, NH 03862-7000
- **Phone:** (603) 781-0427
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** Coastal Eye & Wellness (NPI 1750820833, North Hampton, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 19, 2017
---
Source: [NPI Profile](https://npiprofile.com/npi/1720077076) · Data from the CMS NPPES public registry.