Gretchen Kosegarten
Clinical Social Worker · Newburyport, MA
Gretchen Kosegarten is a clinical social worker with a practice address in Newburyport, Massachusetts, and NPI 1952891541, issued on May 18, 2018. Check the license (Massachusetts 115385, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gretchen Kosegarten
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 115385 MA
Self-reported in NPPES; status is on the state search - Practice location
- 260 Merrimac St, Newburyport, MA 01950
- Phone
- (978) 465-7030
- Enumerated
- May 18, 2018
- Record last updated
- Jun 16, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20260317002675); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 17,815 in Massachusetts → Look up another NPI →
Also registered at 260 Merrimac St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephen Beaudoin, M.D.Internal Medicine Physician1902808124
- Kennedy Brown, DCChiropractor1154009991
- Kimberly Carter, CNPFamily Nurse Practitioner1801260344
- Deborah Casson, N.P.Family Nurse Practitioner1639361892
- Maureen Cullen, NPNurse Practitioner1578522702
- Jennah Dieter, D.C.Chiropractor1508873795
Verify Gretchen Kosegarten in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 115385Check 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
- Northeast Health Services LLCHaverhill, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gretchen Kosegarten among 17,815 clinical social worker records in Massachusetts
Gretchen Kosegarten is one of 17,815 clinical social worker records with a practice address in Massachusetts. 8% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 65% of them.
- NPI issued2018 · 65% of these records are older, 23% newer
- In a Medicare fileYes · 8% of these records are
- In the CMS Doctors and Clinicians fileYes · 17% of these records are
- Graduated2004 · median 2004 among the 3,059 with a school on file
- Record last updated2018 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
73 clinical social worker records list a practice address in Newburyport
They are 73 of the 558 NPPES records with a practice address in Newburyport, and 17,815 clinical social worker records in Massachusetts.
All 17,815 in Massachusetts → Every provider in Newburyport → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Pamela Amer, LICSWNewburyport, MA 019501497756530
- Robert Amer, LICSWNewburyport, MA 019501801897954
- Kathleen Destadler, LICSWNewburyport, MA 019501871594994
- Bronson Destadler, LICSWNewburyport, MA 019501073514196
- Diane Dubin, LICSWNewburyport, MA 019501407857535
- Linda Gerson, MSWNewburyport, MA 019501558468603
- Richard Healy, LICSWNewburyport, MA 019501033111935
- Barbara KeelerNewburyport, MA 019501134188410
Common questions
What is Gretchen Kosegarten's NPI number?
Gretchen Kosegarten's National Provider Identifier (NPI) is 1952891541, issued on May 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gretchen Kosegarten located?
The NPPES record lists a practice address at 260 Merrimac St, Newburyport, MA, 01950. Phone: (978) 465-7030. Providers update this record themselves, so call before visiting.
How can I verify Gretchen Kosegarten's license?
NPPES lists Massachusetts license number 115385, 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.