MARY OLIVIA JAMIESON
NPI 1306373956
Social Worker in Holyoke, MA
About Mary Olivia Jamieson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY OLIVIA JAMIESON (NPI 1306373956) is an individual social worker in Holyoke, Massachusetts and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Mary Olivia Jamieson 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 Mary Jamieson reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1083776140 (Massachusetts)
- 241 clinicians in this Medicare group
Chicopee, MA 01020
- Reassigned Medicare billing, Massachusetts enrollment
- 242 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Massachusetts enrollment
- 522 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.
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.
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 Mary Jamieson's NPI number?
The NPI number for Mary Jamieson is 1306373956. It was assigned to this individual provider in the NPPES registry on May 15, 2017.
Where is Mary Jamieson located?
Mary Jamieson practices at 319 Beech St, Holyoke, MA 01040. The listed phone number is (413) 540-1100.
What is Mary Jamieson's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Mary Jamieson enrolled in Medicare?
Yes. Mary Jamieson 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 Mary Jamieson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Jamieson reassigns Medicare benefits to 3 organizations: Holyoke Medical Center, Inc. (Holyoke, MA), Western Mass Physician Associates Inc (Chicopee, MA) and Grow Healthcare Group PA (Miami, FL). 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 Mary Jamieson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Jamieson accept?
Health plans from Harvard Pilgrim Health Care list Mary Jamieson 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 Mary Jamieson was last updated on May 15, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.