Waterside Psychology PC
NPI 1013735174 · Mental Health Clinic/Center (Including Community Mental Health Center) · Los Angeles, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Waterside Psychology PC is a Mental Health Clinic/Center (Including Community Mental Health Center) organization in Los Angeles, CA (NPI 1013735174).
Provider details
- NPI number
- 1013735174
- Entity type
- Organization
- Primary specialty
- Mental Health Clinic/Center (Including Community Mental Health Center)Ambulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mark Papp, Clinical Psychologist(917) 770-6207
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-09-27
- Last updated
- 2024-09-27
- Certified
- 2024-09-27
Frequently asked questions
- What is Waterside Psychology PC's NPI number?
- Waterside Psychology PC's National Provider Identifier (NPI) is 1013735174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Waterside Psychology PC?
- Waterside Psychology PC is classified in the NPPES registry as Mental Health Clinic/Center (Including Community Mental Health Center) (Ambulatory Health Care Facilities).
- Where is Waterside Psychology PC located?
- Waterside Psychology PC's practice location on file with NPPES is 3353 Shelby Dr Apt 206, Los Angeles, CA 90034-2777.
- What is Waterside Psychology PC's phone number?
- The practice phone number listed in the NPPES registry for Waterside Psychology PC is (917) 770-6207.
- Does Waterside Psychology PC accept Medicare?
- Waterside Psychology PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Waterside Psychology PC?
- The authorized official listed on Waterside Psychology PC's NPPES record is Mark Papp, Clinical Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Waterside Psychology PC's NPI active?
- Yes — Waterside Psychology PC's NPI (1013735174) is active in the NPPES registry as of the last update on 2024-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.