DR. JONATHAN DREIFUS MD
NPI 1235111048
Surgery in Portland, ME
About Dr. Jonathan Dreifus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JONATHAN DREIFUS MD (NPI 1235111048) is an individual surgery provider in Portland, Maine, licensed in Maine (MD13413) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Norway.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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. Jonathan Dreifus 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 Jonathan Dreifus reassigns Medicare billing to 3 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
- Also billed through NPI 1346299815 (Maine)
- 3,140 clinicians in this Medicare group
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: St Marys Regional Medical Center
- 381 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, 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 Jonathan Dreifus's NPI number?
The NPI number for Jonathan Dreifus is 1235111048. It was assigned to this individual provider in the NPPES registry on November 17, 2005.
Where is Jonathan Dreifus located?
Jonathan Dreifus practices at 887 Congress St Ste 400, Portland, ME 04102. The listed phone number is (207) 774-6368.
What is Jonathan Dreifus's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Jonathan Dreifus enrolled in Medicare?
Yes. Jonathan Dreifus 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 Jonathan Dreifus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jonathan Dreifus reassigns Medicare benefits to 3 organizations: Maine Medical Partners (Portland, ME), Mainehealth (Portland, ME) and St. Mary's Regional Medical Center (Lewiston, 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 Jonathan Dreifus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jonathan Dreifus accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care and Taro Health list Jonathan Dreifus 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 Jonathan Dreifus affiliated with any hospitals?
According to CMS data, Jonathan Dreifus is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Jonathan Dreifus was last updated on January 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Dr. Jonathan Dreifus, MD · NPI 1235111048
Surgery physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since November 17, 2005.
## Identity
- **NPI:** 1235111048 (Entity type: Individual)
- **Enumerated:** November 17, 2005
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD13413 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 887 CONGRESS ST, STE 400, Portland, ME 04102-3100
- **Phone:** (207) 774-6368 · **Fax:** (207) 662-7996
## 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): Maine Medical Partners (NPI 1285738310, Portland, ME); Mainehealth (NPI 1063726891, Portland, ME); St. Mary's Regional Medical Center (NPI 1447226584, Lewiston, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 1990
## Record status
- **NPPES last updated:** January 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235111048) · Data from the CMS NPPES public registry.