MICHAEL SHELLEY CRNP
NPI 1437613882
Nurse Practitioner - Acute Care in Portland, ME
About Michael Shelley Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL SHELLEY CRNP (NPI 1437613882) is an individual acute care provider in Portland, Maine, licensed in Maine (CNP211203) and active in the NPI registry since January 2019. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Michael Shelley Crnp 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 Michael Shelley 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.
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.
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 Michael Shelley's NPI number?
The NPI number for Michael Shelley is 1437613882. It was assigned to this individual provider in the NPPES registry on January 29, 2019.
Where is Michael Shelley located?
Michael Shelley practices at 818 Congress St, Portland, ME 04102. The listed phone number is (207) 773-8161.
What is Michael Shelley's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Michael Shelley enrolled in Medicare?
Yes. Michael Shelley 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 Michael Shelley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Shelley 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 Michael Shelley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Michael Shelley affiliated with any hospitals?
According to CMS data, Michael Shelley is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Michael Shelley was last updated on August 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Michael Shelley, CRNP · NPI 1437613882
Acute Care physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since January 29, 2019.
## Identity
- **NPI:** 1437613882 (Entity type: Individual)
- **Enumerated:** January 29, 2019
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** CNP211203 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 818 CONGRESS ST, Portland, ME 04102-3112
- **Phone:** (207) 773-8161
## 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 1174897078, Portland, ME); Mainehealth (NPI 1063726891, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** August 12, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1437613882) · Data from the CMS NPPES public registry.