DR. STEPHEN LARSON PSY D
NPI 1649230160
Psychologist in Saugerties, NY
About Dr. Stephen Larson Psy D NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN LARSON PSY D (NPI 1649230160) is an individual psychologist in Saugerties, New York, licensed in New York (018768-1) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Stephen Larson Psy D is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Stephen Larson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94111
- Reassigned Medicare billing, New York enrollment
- 12 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Larson's NPI number?
The NPI number for Stephen Larson is 1649230160. It was assigned to this individual provider in the NPPES registry on March 27, 2006.
Where is Stephen Larson located?
Stephen Larson practices at 352 Hommelville Rd, Saugerties, NY 12477. The listed phone number is (951) 285-3306.
What is Stephen Larson's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Stephen Larson enrolled in Medicare?
Yes. Stephen Larson is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Stephen Larson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Larson reassigns Medicare benefits to Doctor On Demand Professionals P C (San Francisco, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Larson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Larson accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Stephen Larson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Stephen Larson was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.