James Ostendarp, LMHC
Counselor · Greenfield, MA
James Ostendarp, LMHC is a counselor with a practice address in Greenfield, Massachusetts, and NPI 1538383575, issued on Apr 12, 2007. Check the license (Massachusetts 774, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Ostendarp
- Credential
- LMHC
- Primary taxonomy
- Counselor 101Y00000X
- License number
- 774 MA
Self-reported in NPPES; status is on the state search - Practice location
- 48 Sanderson St, Greenfield, MA 01301
- Phone
- (413) 773-4449
- Enumerated
- Apr 12, 2007
- Record last updated
- Jan 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 8,990 in Massachusetts → Look up another NPI →
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Verify James Ostendarp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 774Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
James Ostendarp among 8,990 counselor records in Massachusetts
James Ostendarp, LMHC is one of 8,990 counselor records with a practice address in Massachusetts. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 1% of them.
- NPI issued2007 · 1% of these records are older, 95% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 4% of these records are
- Record last updated2008 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 counselor records list a practice address in Greenfield
They are 104 of the 1,251 NPPES records with a practice address in Greenfield, and 8,990 counselor records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8,990 in Massachusetts → Every provider in Greenfield → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Vanessa AdamsGreenfield, MA 013011548322514
- Garrett CrehanGreenfield, MA 013011841418399
- Alyssa CrocketGreenfield, MA 013011255539656
- Janice KilmerGreenfield, MA 013011225256787
- Nancy LeueGreenfield, MA 013011508064940
- Kathryn MartiniGreenfield, MA 013011770701930
- Thomas MorseGreenfield, MA 013011548460470
- Rebecca PetersonGreenfield, MA 013011265650436
Common questions
What is James Ostendarp, LMHC's NPI number?
James Ostendarp, LMHC's National Provider Identifier (NPI) is 1538383575, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is James Ostendarp, LMHC located?
The NPPES record lists a practice address at 48 Sanderson St, Greenfield, MA, 01301. Phone: (413) 773-4449. Providers update this record themselves, so call before visiting.
How can I verify James Ostendarp, LMHC's license?
NPPES lists Massachusetts license number 774, 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. 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.