JOHN KEEGAN YOUNG MD
NPI 1508325465
Internal Medicine in Portland, ME
About John Keegan Young Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN KEEGAN YOUNG MD (NPI 1508325465) is an individual internal medicine provider in Portland, Maine, licensed in Maine (MD25747) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Boston University School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
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
John Keegan Young 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
2Medicare enrollment records show John Young 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
- 192 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 4
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
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 John Young's NPI number?
The NPI number for John Young is 1508325465. It was assigned to this individual provider in the NPPES registry on March 19, 2019.
Where is John Young located?
John Young practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0111.
What is John Young's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is John Young enrolled in Medicare?
Yes. John Young 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 John Young's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Young 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 John Young's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Young accept?
Health plans from Taro Health list John Young 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 John Young affiliated with any hospitals?
According to CMS data, John Young is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for John Young was last updated on July 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# John Keegan Young, MD · NPI 1508325465
Internal Medicine physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since March 19, 2019.
## Identity
- **NPI:** 1508325465 (Entity type: Individual)
- **Enumerated:** March 19, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD25747 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-0111
## 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 1942315361, Portland, ME); Mainehealth (NPI 1073701157, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Boston University School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** July 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1508325465) · Data from the CMS NPPES public registry.