Williston Mortenson, DPT
Physical Therapist · Pittsfield, MA
Williston Mortenson, DPT is a physical therapist with a practice address in Pittsfield, Massachusetts, and NPI 1023562881, issued on Aug 10, 2016. Check the license (Massachusetts 22469, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Williston Mortenson
- Credential
- DPT
- Primary taxonomy
- Physical Therapist 225100000X
- License number
- 22469 MA
Self-reported in NPPES; status is on the state search - Practice location
- 740 Williams St, Pittsfield, MA 01201
- Phone
- (413) 447-8070
- Enumerated
- Aug 10, 2016
- Record last updated
- Aug 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (413) 445-4918
- Medicare enrollment
- Enrolled (PECOS I20220428002229); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physical therapist records → All 7,100 in Massachusetts → Look up another NPI →
Also registered at 740 Williams St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrea Bodine, M.D.Specialist1295753911
- John Buoni, MDObstetrics & Gynecology Physician1053302505
- Jaclyn Delahanty, DPTPhysical Therapist1578226379
- Danielle Driscoll, PTPhysical Therapist1255546677
- Neal Ginsberg, M.D.Ophthalmology Physician1801839287
- Alayne Glass, P.T.Physical Therapist1609852706
Verify Williston Mortenson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 22469Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Renew Physical Therapy PCPiedmont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Williston Mortenson among 7,100 physical therapist records in Massachusetts
Williston Mortenson, DPT is one of 7,100 physical therapist records with a practice address in Massachusetts. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 56% of them.
- NPI issued2016 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2015 · median 2017 among the 2,371 with a school on file
- Record last updated2016 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225100000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 physical therapist records list a practice address in Pittsfield
They are 51 of the 2,189 NPPES records with a practice address in Pittsfield, and 7,100 physical therapist records in Massachusetts.
All 7,100 in Massachusetts → Every provider in Pittsfield → Physical Therapist nationwide →
The 8 physical therapist records with the nearest ZIP codes
- Gail Cerruti, P.T.Pittsfield, MA 012011386659720
- Brian Duquette, PTPittsfield, MA 012011003884263
- Alayne Glass, P.T.Pittsfield, MA 012011609852706
- Jennifer Laurin, PTPittsfield, MA 012011396852232
- Elizabeth Lewis-Kellogg, P.T.Pittsfield, MA 012011548277007
- Stephanie Merwin, PTPittsfield, MA 012011609852771
- Rebecca MillerPittsfield, MA 012011144345174
- Carrie Minahan, P.T.,N.C.S.Pittsfield, MA 012011366549743
Common questions
What is Williston Mortenson, DPT's NPI number?
Williston Mortenson, DPT's National Provider Identifier (NPI) is 1023562881, issued on Aug 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Williston Mortenson, DPT located?
The NPPES record lists a practice address at 740 Williams St, Pittsfield, MA, 01201. Phone: (413) 447-8070. Providers update this record themselves, so call before visiting.
How can I verify Williston Mortenson, DPT's license?
NPPES lists Massachusetts license number 22469, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.