DAVID LUU LY DO
NPI 1598159741
Psychiatry & Neurology - Psychiatry in Morgan Hill, CA
About David Luu Ly Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID LUU LY DO (NPI 1598159741) is an individual psychiatry provider in Morgan Hill, California, licensed in California (20A15255) and active in the NPI registry since March 2015. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
David Luu Ly Do 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
2Medicare enrollment records show David Ly reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morgan Hill, CA 95037
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Tracy, CA 95376
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Joaquin
- 195 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95037 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MORGAN HILL, CA 95037
MORGAN HILL, CA 95037
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 David Ly's NPI number?
The NPI number for David Ly is 1598159741. It was assigned to this individual provider in the NPPES registry on March 26, 2015.
Where is David Ly located?
David Ly practices at 18217 Hale Ave, Morgan Hill, CA 95037. The listed phone number is (408) 465-8280.
What is David Ly's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is David Ly enrolled in Medicare?
Yes. David Ly 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 David Ly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Ly reassigns Medicare benefits to 2 organizations: Psynergy Programs Inc. (Morgan Hill, CA) and San Joaquin County Behavioral Health Services (Tracy, CA). 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 David Ly's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Ly was last updated on February 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# David Luu Ly, DO · NPI 1598159741
Psychiatry physician in Morgan Hill, California. Individual provider, active in the CMS NPPES registry since March 26, 2015.
## Identity
- **NPI:** 1598159741 (Entity type: Individual)
- **Enumerated:** March 26, 2015
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 20A15255 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 18217 HALE AVE, Morgan Hill, CA 95037-3550
- **Phone:** (408) 465-8280
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Psynergy Programs Inc. (NPI 1801934450, Morgan Hill, CA); San Joaquin County Behavioral Health Services (NPI 1306051370, Tracy, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** February 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1598159741) · Data from the CMS NPPES public registry.