JOHN J TIERNEY DO
NPI 1417913047
Specialist in Dedham, MA
About John J Tierney Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN J TIERNEY DO (NPI 1417913047) is an individual specialist in Dedham, Massachusetts, licensed in Massachusetts (76683) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Hospital Plymouth, and is a graduate of Philadelphia College Of Osteopathic Medicine (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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 J Tierney 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 Reassignments
3Medicare enrollment records show John Tierney reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dedham, MA 02026
- Reassigned Medicare billing, Massachusetts enrollment
- 4 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 206 clinicians in this Medicare group
Nantucket, MA 02554
- Reassigned Medicare billing, Massachusetts enrollment
- 172 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 9
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Hospital Plymouth
Acute Care Hospitals · Plymouth, MANew England Baptist Hospital
Acute Care Hospitals · Boston, MANantucket Cottage Hospital
Acute Care Hospitals · Nantucket, MAReferred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
DEDHAM, MA 02026
DEDHAM, MA 02026
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 Tierney's NPI number?
The NPI number for John Tierney is 1417913047. It was assigned to this individual provider in the NPPES registry on April 22, 2006.
Where is John Tierney located?
John Tierney practices at 200 Providence Hwy Suite 202, Dedham, MA 02026. The listed phone number is (781) 461-4543.
What is John Tierney's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is John Tierney enrolled in Medicare?
Yes. John Tierney 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 Tierney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Tierney reassigns Medicare benefits to 3 organizations: Northeast Orthopedic Associates, PC (Dedham, MA), Nantucket Cottage Hospital (Nantucket, MA) and Nantucket Physicians Organization (Nantucket, MA). 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 Tierney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Tierney accept?
Health plans from Taro Health list John Tierney 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 Tierney affiliated with any hospitals?
According to CMS data, John Tierney is affiliated with Beth Israel Deaconess Hospital Plymouth, New England Baptist Hospital and Nantucket Cottage Hospital.
When was this NPI record last updated?
The NPPES record for John Tierney was last updated on January 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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 J Tierney, DO · NPI 1417913047
Specialist provider in Dedham, Massachusetts. Individual provider, active in the CMS NPPES registry since April 22, 2006.
## Identity
- **NPI:** 1417913047 (Entity type: Individual)
- **Enumerated:** April 22, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 76683 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 PROVIDENCE HWY, SUITE 202, Dedham, MA 02026-1881
- **Phone:** (781) 461-4543
## 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): Northeast Orthopedic Associates, PC (NPI 1902850357, Dedham, MA); Nantucket Cottage Hospital (NPI 1447214622, Nantucket, MA); Nantucket Physicians Organization (NPI 1568798510, Nantucket, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 1990
## Record status
- **NPPES last updated:** January 4, 2013
- **Other identifiers:** Medicare UPIN G43624; Medicare PIN NX3517 (MA); Medicare PIN A22252 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1417913047) · Data from the CMS NPPES public registry.