DR. DANIEL GREENTREE MD
NPI 1205368545
Radiology - Diagnostic Radiology in Portland, ME
About Dr. Daniel Greentree Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL GREENTREE MD (NPI 1205368545) is an individual diagnostic radiology provider in Portland, Maine, licensed in Massachusetts (290876) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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. Daniel Greentree 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 Reassignment
Medicare enrollment records show Daniel Greentree reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, ME 04102
- Reassigned Medicare billing, Maine and New Hampshire enrollments
- Also billed through NPI 1386757607 (New Hampshire), NPI 1023619939 (Maine), NPI 1417613456 (Maine)
- 61 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 55
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MESt Mary's Regional Medical Center
Acute Care Hospitals · Lewiston, MEMaine General Medical Center
Acute Care Hospitals · Augusta, MELincolnhealth
Critical Access Hospitals · Damariscotta, MEMemorial Hospital, The
Critical Access Hospitals · North Conway, NHPhysician 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.
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
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 Daniel Greentree's NPI number?
The NPI number for Daniel Greentree is 1205368545. It was assigned to this individual provider in the NPPES registry on March 28, 2017.
Where is Daniel Greentree located?
Daniel Greentree practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0111.
What is Daniel Greentree's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Daniel Greentree enrolled in Medicare?
Yes. Daniel Greentree 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 Daniel Greentree's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Greentree reassigns Medicare benefits to Spectrum Healthcare Partners, PA (Portland, ME). 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 Daniel Greentree's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Daniel Greentree accept?
Health plans from Taro Health list Daniel Greentree 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 Daniel Greentree affiliated with any hospitals?
According to CMS data, Daniel Greentree is affiliated with Maine Medical Center, St Mary's Regional Medical Center, Maine General Medical Center, Lincolnhealth and Memorial Hospital, The.
When was this NPI record last updated?
The NPPES record for Daniel Greentree was last updated on August 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.