Peter Ly, PSY.D.
NPI 1356403448 · Clinical Psychologist · Milpitas, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Ly, PSY.D. is a Clinical Psychologist provider in Milpitas, CA (NPI 1356403448).
Provider details
- NPI number
- 1356403448
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY 18557 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-14
- Last updated
- 2022-01-03
Frequently asked questions
- What is Peter Ly's NPI number?
- Peter Ly's National Provider Identifier (NPI) is 1356403448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Ly's specialty?
- Peter Ly is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Peter Ly located?
- Peter Ly's practice location on file with NPPES is 611 S Milpitas Blvd, Milpitas, CA 95035-5473.
- What is Peter Ly's phone number?
- The practice phone number listed in the NPPES registry for Peter Ly is (408) 945-2915.
- Does Peter Ly accept Medicare?
- Peter Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Ly's NPI active?
- Yes — Peter Ly's NPI (1356403448) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.