Yitian Timothy Kiong, M.D.
NPI 1164838884 · Psychiatry Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yitian Timothy Kiong, M.D. is a Psychiatry Physician provider in Duarte, CA (NPI 1164838884).
Provider details
- NPI number
- 1164838884
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 294262-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
379 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $89 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 55 | $51 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $82 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 32 | $136 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 65 | 18 |
| Sertraline Hcl | 41 | 11 |
| Olanzapine | 39 | 13 |
| Quetiapine Fumarate | 35 | — |
| Duloxetine Hcl | 29 | — |
| Trazodone Hcl | 26 | — |
| Hydroxyzine Hcl | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-02
- Last updated
- 2023-02-09
- Certified
- 2023-02-09
Frequently asked questions
- What is Yitian Timothy Kiong's NPI number?
- Yitian Timothy Kiong's National Provider Identifier (NPI) is 1164838884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yitian Timothy Kiong's specialty?
- Yitian Timothy Kiong is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Yitian Timothy Kiong located?
- Yitian Timothy Kiong's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Yitian Timothy Kiong's phone number?
- The practice phone number listed in the NPPES registry for Yitian Timothy Kiong is (626) 256-4673.
- Does Yitian Timothy Kiong accept Medicare?
- Yitian Timothy Kiong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yitian Timothy Kiong's NPI active?
- Yes — Yitian Timothy Kiong's NPI (1164838884) is active in the NPPES registry as of the last update on 2023-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.