Doctor profile · Federal record

Dr. Douglas Oneill, MD

Internal Medicine Physician (CMS: Internal Medicine) · North Adams, MA

  • NPI 1003893082
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
71 Hospital Ave
North Adams, MA 01247
(413) 664-5710
fax (413) 664-5773
Mailing address
197 Adams RD
Williamstown, MA 012672930

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
May 16, 2018
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #156842
Medicaid (2)
MA #3182037 · VT #OVN1533

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003893082. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
204
Distinct HCPCS
1
Medicare allowed
$1,989
HCPCS Description Services Patients Avg allowed
77080 Dxa bone density measurement of hip, pelvis, spine 204 204 $10

In context: peer comparison

Among 1 peers in this city , average services per provider: 204. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,120
Patients
1,418
Total drug cost
$394,810
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 763 219 $12,248
Amlodipine Besylate Generic 533 157 $4,646
Omeprazole Generic 385 108 $6,216
Lisinopril Generic 378 109 $4,735
Levothyroxine Sodium Generic 370 95 $5,293
Rosuvastatin Calcium Generic 345 105 $18,836
Metformin Hcl Generic 325 87 $4,081
Metoprolol Succinate Generic 322 94 $8,003
Losartan Potassium Generic 312 95 $4,256
Gabapentin Generic 281 70 $4,503

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Oneill's medical specialty?
Dr. Douglas Oneill practices Internal Medicine Physician in North Adams, MA.
Where does Dr. Douglas Oneill practice?
Dr. Douglas Oneill practices at 71 Hospital Ave, North Adams, MA 01247. Office phone: 4136645710.
What is Dr. Douglas Oneill's NPI?
Dr. Douglas Oneill's National Provider Identifier (NPI) is 1003893082, issued by NPPES.
Does Dr. Douglas Oneill accept Medicare assignment?
Yes. Dr. Douglas Oneill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Oneill commonly perform?
Top Medicare-reported procedures in 2023: Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080). Source: CMS Medicare Physician & Other Practitioners file.