NPPES file of Aug 9, 2026

James C. O'Brien, PA-C

Surgical Physician Assistant · Pittsfield, MA

James C. O'Brien, PA-C is a surgical physician assistant with a practice address in Pittsfield, Massachusetts, and NPI 1245485572, issued on Dec 1, 2008. Check the license (Massachusetts 892, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245485572
Name
James C. O'Brien
Credential
PA-C
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
892 MA
Self-reported in NPPES; status is on the state search
Practice location
777 North St, Pittsfield, MA 01201
Phone
(413) 447-2870
Enumerated
Dec 1, 2008
Record last updated
Feb 24, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(413) 447-2871
Medicare enrollment
Enrolled (PECOS I20090128000022); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 777 North St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Albert, M.D.Internal Medicine Physician1386692531
  2. Paula Aucoin, M.D.Infectious Disease Physician1033110333
  3. Anurag Bansal, ANPAdult Health Nurse Practitioner1346580917
  4. Daniel Barraez-Masroua, MDObstetrics & Gynecology Physician1528222304
  5. Laurie Bartling, PASurgical Physician Assistant1053506998
  6. Robert Benner, MDObstetrics & Gynecology Physician1346231529

Verify James C. O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 892
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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83% fewer Medicare Part D claims than the average surgical physician assistant in 2024

53 Medicare Part D claims for 32 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 25 claims were for opioids.

  1. James O'Brien53
  2. Specialty average304

Most prescribed

  1. Oxycodone Hcl22 claims
  2. Cyclobenzaprine Hcl14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $44.93

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James O'Brien$44.93
  2. Specialty average$703.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Berkshire Faculty Services IncPittsfield, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James C. O'Brien among 516 surgical physician assistant records in Massachusetts

James C. O'Brien, PA-C is one of 516 surgical physician assistant records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 26% of them.

  • NPI issued2008 · 26% of these records are older, 68% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1997 · median 2014 among the 357 with a school on file
  • Record last updated2010 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Massachusetts

There are 516 surgical physician assistant records in Massachusetts.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Laurie Bartling, PAPittsfield, MA 012011053506998
  2. Ilana Berti, PA-CPittsfield, MA 012011699309104
  3. Thomas William Ong S Chan, PA-STUDENTPittsfield, MA 012011710641964
  4. Nicholas Coman, PA-CPittsfield, MA 012011952085953
  5. Renee Isaacs, PA-CPittsfield, MA 012011609501113
  6. Joseph Kotelnicki, PA-CPittsfield, MA 012011255669552
  7. Laurieann Quiry, PHYSICIAN ASSISTANTPittsfield, MA 012011356823694
  8. Steven Rich, PA-CPittsfield, MA 012011396981072

Common questions

What is James C. O'Brien, PA-C's NPI number?

James C. O'Brien, PA-C's National Provider Identifier (NPI) is 1245485572, issued on Dec 1, 2008. An NPI identifies a provider in billing; it is not a license.

Where is James C. O'Brien, PA-C located?

The NPPES record lists a practice address at 777 North St, Pittsfield, MA, 01201. Phone: (413) 447-2870. Providers update this record themselves, so call before visiting.

How can I verify James C. O'Brien, PA-C's license?

NPPES lists Massachusetts license number 892, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.

How much does James C. O'Brien, PA-C prescribe under Medicare Part D?

In 2024, James C. O'Brien, PA-C had 53 Medicare Part D claims for 32 beneficiaries; the average among surgical physician assistant prescribers was 304. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.