ADAM J CHAMBERLAIN MD
NPI 1790216976
Preventive Medicine - Addiction Medicine in Springfield, MA
About Adam J Chamberlain Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADAM J CHAMBERLAIN MD (NPI 1790216976) is an individual addiction medicine provider in Springfield, Massachusetts, licensed in Massachusetts (285475) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Baystate Franklin Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2017).
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
Adam J Chamberlain 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 Adam Chamberlain reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 211 clinicians in this Medicare group
Greenfield, MA 01301
- Reassigned Medicare billing, Massachusetts enrollment
- Medicare enrollment name: Valley Medical Group PC
- 122 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 33
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Franklin Medical Center
Acute Care Hospitals · Greenfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
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.
SPRINGFIELD, MA 01107
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 Adam Chamberlain's NPI number?
The NPI number for Adam Chamberlain is 1790216976. It was assigned to this individual provider in the NPPES registry on March 21, 2017.
Where is Adam Chamberlain located?
Adam Chamberlain practices at 759 Chestnut St, Springfield, MA 01107. The listed phone number is (413) 794-5555.
What is Adam Chamberlain's specialty?
The primary specialty registered for this NPI is Preventive Medicine, specializing in Addiction Medicine, with taxonomy code 2083A0300X.
Is Adam Chamberlain enrolled in Medicare?
Yes. Adam Chamberlain 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 Adam Chamberlain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Adam Chamberlain reassigns Medicare benefits to 3 organizations: Baystate Medical Practices, Inc (Springfield, MA), Behavioral Health Network Inc (Springfield, MA) and Valley Medical Group, P.C. (Greenfield, 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 Adam Chamberlain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Adam Chamberlain accept?
Health plans from Taro Health list Adam Chamberlain 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 Adam Chamberlain affiliated with any hospitals?
According to CMS data, Adam Chamberlain is affiliated with Baystate Franklin Medical Center.
When was this NPI record last updated?
The NPPES record for Adam Chamberlain was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.