Quick answers
- Does Wenqi A. Ouyang accept Medicare assignment?
- Yes. Medicare's clinician data says Wenqi A. Ouyang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Wenqi A. Ouyang see?
- In 2024, CMS data shows 108 Original Medicare patients and 251 services for Wenqi A. Ouyang. This counts Original Medicare only and measures volume, not quality.
- What is Wenqi A. Ouyang's NPI number?
- 1891288452. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Wenqi A. Ouyang, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 108 |
|---|---|
| Services billed to Medicare | 251 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)49 services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)36 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)35 services
- Bacterial colony count, urine (87086)17 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)15 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol64%
- High blood pressure45%
- Arthritis40%
- Osteoporosis36%
- Anxiety19%
- Depression18%
Hospitals where Wenqi A. Ouyang works
Medicare's Facility Affiliation Data lists Wenqi A. Ouyang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northern Westchester HospitalMount Kisco, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330162
Practice locations
Addresses where Wenqi A. Ouyang is enrolled with Medicare (CMS data updated October 2, 2026).
- 90 S Bedford RdMount Kisco, NY 10549 (914) 241‑1050
Group practices
Medicare enrollment lists Wenqi A. Ouyang as a member of this group (CMS data updated October 2, 2026).
- Optum Medical Care PC1,010 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Mount Kisco
Clinicians with the same Medicare primary specialty in Mount Kisco, NY — not a recommendation.
Other clinicians in Optum Medical Care PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891288452 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians