PATRICK CHAMBERS
NPI 1003201989
Emergency Medicine in Pittsfield, MA
About Patrick Chambers NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK CHAMBERS (NPI 1003201989) is an individual emergency medicine provider in Pittsfield, Massachusetts, licensed in Massachusetts (274493) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and maintains a secondary practice location in Newark.
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
Patrick Chambers 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
8Medicare enrollment records show Patrick Chambers reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 394 clinicians in this Medicare group
North Adams, MA 01247
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1437839669 (Massachusetts)
- 153 clinicians in this Medicare group
Greenfield, MA 01301
- Reassigned Medicare billing, Massachusetts enrollment
- 78 clinicians in this Medicare group
Holyoke, MA 01040
- Reassigned Medicare billing, Massachusetts enrollment
- 55 clinicians in this Medicare group
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 168 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 62 clinicians in this Medicare group
Palmer, MA 01069
- Reassigned Medicare billing, Massachusetts enrollment
- 86 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MABaystate Noble Hospital
Acute Care Hospitals · Westfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01201 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.
PITTSFIELD, MA 01201
PITTSFIELD, MA 01201
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 Patrick Chambers's NPI number?
The NPI number for Patrick Chambers is 1003201989. It was assigned to this individual provider in the NPPES registry on March 30, 2015.
Where is Patrick Chambers located?
Patrick Chambers practices at 725 North St, Pittsfield, MA 01201. The listed phone number is (413) 447-2000.
What is Patrick Chambers's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Patrick Chambers enrolled in Medicare?
Yes. Patrick Chambers 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 Patrick Chambers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Chambers reassigns Medicare benefits to 8 organizations: Berkshire Medical Center, Inc (Pittsfield, MA), North Adams Regional Hospital Corporation (North Adams, MA), Baystate Franklin Medical Center (Greenfield, MA), Lakes/National Emergency Physicians Inc (Holyoke, MA), Baystate Medical Practices, Inc (Springfield, MA) and 3 more organizations, listed in the Medicare section above. 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 Patrick Chambers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patrick Chambers accept?
Health plans from Taro Health and WellSense Health Plan list Patrick Chambers 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 Patrick Chambers affiliated with any hospitals?
According to CMS data, Patrick Chambers is affiliated with Berkshire Medical Center and Baystate Noble Hospital.
When was this NPI record last updated?
The NPPES record for Patrick Chambers was last updated on November 21, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Patrick Chambers · NPI 1003201989
Emergency Medicine physician in Pittsfield, Massachusetts. Individual provider, active in the CMS NPPES registry since March 30, 2015.
## Identity
- **NPI:** 1003201989 (Entity type: Individual)
- **Enumerated:** March 30, 2015
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 274493 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 725 NORTH ST, Pittsfield, MA 01201
- **Phone:** (413) 447-2000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Berkshire Medical Center, Inc (NPI 1295765261, Pittsfield, MA); North Adams Regional Hospital Corporation (NPI 1316727761, North Adams, MA); Baystate Franklin Medical Center (NPI 1508867391, Greenfield, MA); Lakes/National Emergency Physicians Inc (NPI 1114426772, Holyoke, MA); Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** November 21, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1003201989) · Data from the CMS NPPES public registry.