GREGORY LEE SAHLEM MD
NPI 1710208970
Psychiatry & Neurology - Psychiatry in Stanford, CA
About Gregory Lee Sahlem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY LEE SAHLEM MD (NPI 1710208970) is an individual psychiatry provider in Stanford, California, licensed in California (C167347) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of State University Of New York At Buffalo School Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gregory Lee Sahlem Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Gregory Sahlem reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mooresville, NC 28117
- Reassigned Medicare billing, North Carolina enrollment
- 3,671 clinicians in this Medicare group
Durham, NC 27710
- Reassigned Medicare billing, North Carolina enrollment
- 1,482 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 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.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Duke University Hospital
Acute Care Hospitals · Durham, NCDuke Regional Hospital
Acute Care Hospitals · Durham, NCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Gregory Sahlem's NPI number?
The NPI number for Gregory Sahlem is 1710208970. It was assigned to this individual provider in the NPPES registry on June 22, 2010.
Where is Gregory Sahlem located?
Gregory Sahlem practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Gregory Sahlem's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Gregory Sahlem enrolled in Medicare?
Yes. Gregory Sahlem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Gregory Sahlem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Sahlem reassigns Medicare benefits to 3 organizations: Duke Health Integrated Practice, Inc. (Mooresville, NC), Duke University Health System, Inc. (Durham, NC) and University Medical Associates (Charleston, SC). Each 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 Gregory Sahlem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Sahlem accept?
Health plans from Blue Cross and Blue Shield of NC list Gregory Sahlem 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.
Is Gregory Sahlem affiliated with any hospitals?
According to CMS data, Gregory Sahlem is affiliated with Duke University Hospital and Duke Regional Hospital.
When was this NPI record last updated?
The NPPES record for Gregory Sahlem was last updated on April 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.