DR. PATRICIA GREATOREX M.D.
NPI 1598728206
Surgery in Portland, ME
About Dr. Patricia Greatorex M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICIA GREATOREX M.D. (NPI 1598728206) is an individual surgery provider in Portland, Maine, licensed in Maine (MD15631) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of George Washington University School Of Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 14
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. Patricia Greatorex M.d. 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 Patricia Greatorex reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 264 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 3,140 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 6
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.
Maine Medical Center
Acute Care Hospitals · Portland, MEPenobscot Bay Medical Center
Acute Care Hospitals · Rockport, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04102 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.
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Patricia Greatorex's NPI number?
The NPI number for Patricia Greatorex is 1598728206. It was assigned to this individual provider in the NPPES registry on April 11, 2006.
Where is Patricia Greatorex located?
Patricia Greatorex practices at 887 Congress St Suite 400, Portland, ME 04102. The listed phone number is (207) 774-6368.
What is Patricia Greatorex's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Patricia Greatorex enrolled in Medicare?
Yes. Patricia Greatorex 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 Patricia Greatorex's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Greatorex reassigns Medicare benefits to 2 organizations: Maine Medical Partners (Portland, ME) and Mainehealth (Portland, ME). 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 Patricia Greatorex's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Greatorex accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Patricia Greatorex 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 Patricia Greatorex affiliated with any hospitals?
According to CMS data, Patricia Greatorex is affiliated with Maine Medical Center and Penobscot Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Patricia Greatorex was last updated on November 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Patricia Greatorex, M.D. · NPI 1598728206
Surgery physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since April 11, 2006.
## Identity
- **NPI:** 1598728206 (Entity type: Individual)
- **Enumerated:** April 11, 2006
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD15631 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 887 CONGRESS ST, SUITE 400, Portland, ME 04102-3100
- **Phone:** (207) 774-6368 · **Fax:** (207) 774-9338
## 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): Maine Medical Partners (NPI 1285738310, Portland, ME); Mainehealth (NPI 1063726891, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** George Washington University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** November 26, 2014
- **Other identifiers:** Other 0753672001 (ME); Other 2619338 (ME); Other 1537576 (ME); and 11 more
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Source: [NPI Profile](https://npiprofile.com/npi/1598728206) · Data from the CMS NPPES public registry.