Colleen Ann Halvorsen-Sinclair, PA
Physician Assistant · Pittsfield, MA
Colleen Ann Halvorsen-Sinclair, PA is a physician assistant with a practice address in Pittsfield, Massachusetts, and NPI 1437288685, issued on Mar 5, 2007. Check the license (Massachusetts 1289, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen Ann Halvorsen-Sinclair
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1289 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 North St, Pittsfield, MA 01201
- Phone
- (413) 447-2695
- Enumerated
- Mar 5, 2007
- Record last updated
- Jan 30, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (413) 447-3111
- Medicare enrollment
- Enrolled (PECOS I20110221000409); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 2000
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 725 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Parinaz Afrashteh, MDStudent in an Organized Health Care Education/Training Program1609677715
- Deepak Agarwal, MDDiagnostic Radiology Physician1043265754
Verify Colleen Ann Halvorsen-Sinclair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 1289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average physician assistant in 2024
3,001 Medicare Part D claims for 326 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 121 claims were for opioids.
Most prescribed
- Atorvastatin Calcium155 claims
- Amlodipine Besylate121 claims
- Albuterol Sulfate Hfa120 claims
- Gabapentin117 claims
- Omeprazole83 claims
- Levothyroxine Sodium76 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.
Bills Medicare through one group practice
- Berkshire Faculty Services IncGreat Barrington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Colleen Ann Halvorsen-Sinclair among 4,713 physician assistant records in Massachusetts
Colleen Ann Halvorsen-Sinclair, PA is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 82% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2019 among the 3,217 with a school on file
- Record last updated2013 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
47 physician assistant records list a practice address in Pittsfield
They are 47 of the 2,189 NPPES records with a practice address in Pittsfield, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Pittsfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nicolle Alvarez, RPA-CPittsfield, MA 012011942591193
- Christopher Biernacki, PACPittsfield, MA 012011114985736
- Nestor Bond, PAPittsfield, MA 012011063729697
- Dianna Brooks, PACPittsfield, MA 012011659480796
- William Buckenroth, PA-CPittsfield, MA 012011811136591
- Victoria Burgess, PA-CPittsfield, MA 012011255442364
- Bonnie Chard, PA-CPittsfield, MA 012011083722862
- Joseph Healy, PAPittsfield, MA 012011295723609
Common questions
What is Colleen Ann Halvorsen-Sinclair, PA's NPI number?
Colleen Ann Halvorsen-Sinclair, PA's National Provider Identifier (NPI) is 1437288685, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Ann Halvorsen-Sinclair, PA located?
The NPPES record lists a practice address at 725 North St, Pittsfield, MA, 01201. Phone: (413) 447-2695. Providers update this record themselves, so call before visiting.
How can I verify Colleen Ann Halvorsen-Sinclair, PA's license?
NPPES lists Massachusetts license number 1289, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen Ann Halvorsen-Sinclair, PA prescribe under Medicare Part D?
In 2024, Colleen Ann Halvorsen-Sinclair, PA had 3,001 Medicare Part D claims for 326 beneficiaries; the average among physician assistant prescribers was 830. 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.