DOUGLAS B ONEILL MD
NPI 1003893082
Internal Medicine in North Adams, MA
About Douglas B Oneill Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DOUGLAS B ONEILL MD (NPI 1003893082) is an individual internal medicine provider in North Adams, Massachusetts, licensed in Massachusetts (156842) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Medical College Of Pennsylvania (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Douglas B Oneill 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 Douglas Oneill reassigns Medicare billing to 3 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
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 405 clinicians in this Medicare group
Great Barrington, MA 01230
- Reassigned Medicare billing, Massachusetts enrollment
- 120 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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MABaystate Medical Center
Acute Care Hospitals · Springfield, MAFairview Hospital
Critical Access Hospitals · Great Barrington, MASouthwestern Vermont Medical Center
Acute Care Hospitals · Bennington, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01247 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 18
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.
NORTH ADAMS, MA 01247
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 Douglas Oneill's NPI number?
The NPI number for Douglas Oneill is 1003893082. It was assigned to this individual provider in the NPPES registry on December 29, 2005.
Where is Douglas Oneill located?
Douglas Oneill practices at 71 Hospital Ave, North Adams, MA 01247. The listed phone number is (413) 664-5710.
What is Douglas Oneill's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Douglas Oneill enrolled in Medicare?
Yes. Douglas Oneill 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 Douglas Oneill's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Oneill reassigns Medicare benefits to 3 organizations: Berkshire Medical Center, Inc (Pittsfield, MA), Berkshire Faculty Services Inc (Pittsfield, MA) and Fairview Hospital (Great Barrington, 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 Douglas Oneill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Douglas Oneill accept?
Health plans from Taro Health list Douglas Oneill 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 Douglas Oneill affiliated with any hospitals?
According to CMS data, Douglas Oneill is affiliated with Berkshire Medical Center, Baystate Medical Center, Fairview Hospital and Southwestern Vermont Medical Center.
When was this NPI record last updated?
The NPPES record for Douglas Oneill was last updated on May 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Douglas B Oneill, MD · NPI 1003893082
Internal Medicine physician in North Adams, Massachusetts. Individual provider, active in the CMS NPPES registry since December 29, 2005.
## Identity
- **NPI:** 1003893082 (Entity type: Individual)
- **Enumerated:** December 29, 2005
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 156842 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 71 HOSPITAL AVE, North Adams, MA 01247
- **Phone:** (413) 664-5710 · **Fax:** (413) 664-5773
## 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): Berkshire Medical Center, Inc (NPI 1295765261, Pittsfield, MA); Berkshire Faculty Services Inc (NPI 1548212939, Pittsfield, MA); Fairview Hospital (NPI 1942474176, Great Barrington, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Pennsylvania, class of 1994
## Record status
- **NPPES last updated:** May 16, 2018
- **Other identifiers:** Medicaid OVN1533 (VT); Medicaid 3182037 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1003893082) · Data from the CMS NPPES public registry.