JOHN F MANNION
NPI 1437760725
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA
About John F Mannion NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN F MANNION (NPI 1437760725) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN2292911) and active in the NPI registry since August 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Quincy, and is a graduate of Other (2021).
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
John F Mannion 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 Mannion reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Norwell, MA 02061
- Reassigned Medicare billing, Massachusetts enrollment
- 3 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 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.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Mannion's NPI number?
The NPI number for John Mannion is 1437760725. It was assigned to this individual provider in the NPPES registry on August 11, 2020.
Where is John Mannion located?
John Mannion practices at 1 Boston Medical Center Place Department Of Outpatient Psychiatry, Boston, MA 02118. The listed phone number is (617) 414-5245.
What is John Mannion's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is John Mannion enrolled in Medicare?
Yes. John Mannion 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 Mannion's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Mannion reassigns Medicare benefits to Nemg Hingham (Norwell, MA). 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 Mannion's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Mannion accept?
Health plans from Harvard Pilgrim Health Care list John Mannion 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.
When was this NPI record last updated?
The NPPES record for John Mannion was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# John F Mannion · NPI 1437760725
Psychiatric/Mental Health physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 11, 2020.
## Identity
- **NPI:** 1437760725 (Entity type: Individual)
- **Enumerated:** August 11, 2020
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** RN2292911 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 BOSTON MEDICAL CENTER PLACE, DEPARTMENT OF OUTPATIENT PSYCHIATRY, Boston, MA 02118
- **Phone:** (617) 414-5245 · **Fax:** (617) 414-5520
## 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:** Nemg Hingham (NPI 1194472498, Norwell, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437760725) · Data from the CMS NPPES public registry.