DR. PAUL G HAMMERNESS MD
NPI 1417930850
Psychiatry & Neurology - Child & Adolescent Psychiatry in Boston, MA
About Dr. Paul G Hammerness Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PAUL G HAMMERNESS MD (NPI 1417930850) is an individual child & adolescent psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (202576) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains a secondary practice location in New Bedford.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Dr. Paul G Hammerness 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
3Medicare enrollment records show Paul Hammerness reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 716 clinicians in this Medicare group
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 193 clinicians in this Medicare group
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 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.
Boston Medical Center
Acute Care Hospitals · Boston, MAOther 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 Paul Hammerness's NPI number?
The NPI number for Paul Hammerness is 1417930850. It was assigned to this individual provider in the NPPES registry on November 21, 2005.
Where is Paul Hammerness located?
Paul Hammerness practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 414-5245.
What is Paul Hammerness's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.
Is Paul Hammerness enrolled in Medicare?
Yes. Paul Hammerness 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 Paul Hammerness's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Paul Hammerness reassigns Medicare benefits to 3 organizations: Bmc Affiliated Physicians, Inc. (Boston, MA), Boston University Psychiatry Associates, Inc. (Boston, MA) and Southcoast Physicians Group, Inc. (Fairhaven, 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 Paul Hammerness's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Paul Hammerness accept?
Health plans from Harvard Pilgrim Health Care and Taro Health list Paul Hammerness 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 Paul Hammerness affiliated with any hospitals?
According to CMS data, Paul Hammerness is affiliated with Boston Medical Center.
When was this NPI record last updated?
The NPPES record for Paul Hammerness was last updated on December 18, 2023. 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.
# Dr. Paul G Hammerness, MD · NPI 1417930850
Child & Adolescent Psychiatry physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since November 21, 2005.
## Identity
- **NPI:** 1417930850 (Entity type: Individual)
- **Enumerated:** November 21, 2005
- **Primary specialty:** Psychiatry & Neurology - Child & Adolescent Psychiatry · taxonomy 2084P0804X
- **State license:** 202576 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 BOSTON MEDICAL CTR PL, Boston, MA 02118-2908
- **Phone:** (617) 414-5245
## 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): Bmc Affiliated Physicians, Inc. (NPI 1245320910, Boston, MA); Boston University Psychiatry Associates, Inc. (NPI 1073619854, Boston, MA); Southcoast Physicians Group, Inc. (NPI 1861830143, Fairhaven, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Geisel School Of Medicine At Dartmouth, class of 1998
## Record status
- **NPPES last updated:** December 18, 2023
- **Other identifiers:** Medicaid 110032456A (MA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1417930850) · Data from the CMS NPPES public registry.