Congzhen Ou, MD
NPI 1891802559 · Psychiatry Physician · New York, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Congzhen Ou, MD is a Psychiatry Physician provider in New York, NY (NPI 1891802559).
Provider details
- NPI number
- 1891802559
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 208613 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
385 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Psychotherapy, 1 Hour90837 | 284 | $155 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 90 | $58 |
| Psychiatric Diagnostic Evaluation90791 | 11 | $175 |
Typical Medicare-allowed amounts for these services range $58–$175 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Trazodone Hcl | 460 | 59 |
| Sertraline Hcl | 367 | 48 |
| Quetiapine Fumarate | 309 | 40 |
| Mirtazapine | 209 | 27 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 188 | 20 |
| Doxepin Hcl | 171 | 24 |
| Duloxetine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Congzhen Ou's NPI number?
- Congzhen Ou's National Provider Identifier (NPI) is 1891802559, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Congzhen Ou's specialty?
- Congzhen Ou is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Congzhen Ou located?
- Congzhen Ou's practice location on file with NPPES is 2 E Broadway, New York, NY 10038-1073.
- What is Congzhen Ou's phone number?
- The practice phone number listed in the NPPES registry for Congzhen Ou is (212) 248-0850.
- Does Congzhen Ou accept Medicare?
- Congzhen Ou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Congzhen Ou's NPI active?
- Yes — Congzhen Ou's NPI (1891802559) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.