JOHN OWEN MCKEON DO
NPI 1811557580
Anesthesiology in Portland, ME
About John Owen Mckeon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN OWEN MCKEON DO (NPI 1811557580) is an individual anesthesiology provider in Portland, Maine, licensed in Maine (DO3788) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Philadelphia.
NPPES Registry Identity
Specialties & Licenses 2
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
John Owen Mckeon Do 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 John Mckeon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Spectrum Healthcare Partners PA
- 148 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 3
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, MEOther 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 Mckeon's NPI number?
The NPI number for John Mckeon is 1811557580. It was assigned to this individual provider in the NPPES registry on June 16, 2019.
Where is John Mckeon located?
John Mckeon practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 482-7800.
What is John Mckeon's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Mckeon enrolled in Medicare?
Yes. John Mckeon 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 John Mckeon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mckeon reassigns Medicare benefits to Spectrum Healthcare Partners, P.A. (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 John Mckeon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mckeon accept?
Health plans from Taro Health list John Mckeon 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 Mckeon affiliated with any hospitals?
According to CMS data, John Mckeon is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for John Mckeon was last updated on July 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 Owen Mckeon, DO · NPI 1811557580
Anesthesiology physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since June 16, 2019.
## Identity
- **NPI:** 1811557580 (Entity type: Individual)
- **Enumerated:** June 16, 2019
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** DO3788 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 482-7800 · **Fax:** (207) 482-7898
## 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:** Spectrum Healthcare Partners, P.A. (NPI 1245252212, Portland, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Touro Un Col Of Osteopathic Medicine, New York, class of 2019
## Record status
- **NPPES last updated:** July 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1811557580) · Data from the CMS NPPES public registry.