Sith Riantawan, MD
NPI 1871056291 · Psychiatry Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sith Riantawan, MD is a Psychiatry Physician provider in Los Angeles, CA (NPI 1871056291).
Provider details
- NPI number
- 1871056291
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2019-04-11
- Last updated
- 2023-05-29
- Certified
- 2023-05-29
Frequently asked questions
- What is Sith Riantawan's NPI number?
- Sith Riantawan's National Provider Identifier (NPI) is 1871056291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sith Riantawan's specialty?
- Sith Riantawan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sith Riantawan located?
- Sith Riantawan's practice location on file with NPPES is 4650 W Sunset Blvd # 53, Los Angeles, CA 90027-6062.
- What is Sith Riantawan's phone number?
- The practice phone number listed in the NPPES registry for Sith Riantawan is (323) 361-3849.
- Does Sith Riantawan accept Medicare?
- Sith Riantawan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sith Riantawan's NPI active?
- Yes — Sith Riantawan's NPI (1871056291) is active in the NPPES registry as of the last update on 2023-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.