Chichen Qiu, MD
NPI 1699270652 · Student in an Organized Health Care Education/Training Program · Stanford, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chichen Qiu, MD is a Student in an Organized Health Care Education/Training Program provider in Stanford, CA (NPI 1699270652).
Provider details
- NPI number
- 1699270652
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
16 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 16 | $128 |
Typical Medicare-allowed amounts for these services range $128–$128 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 26 | 26 |
| Ondansetronbrand: Ondansetron Odt | 24 | 23 |
| Oxycodone Hcl | 21 | 21 |
| Prednisone | 20 | 20 |
| Cefadroxil | 19 | 19 |
| Azithromycin | 17 | 17 |
| Cefpodoxime Proxetil | 16 | 16 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-29
- Last updated
- 2022-02-04
- Certified
- 2022-02-04
Frequently asked questions
- What is Chichen Qiu's NPI number?
- Chichen Qiu's National Provider Identifier (NPI) is 1699270652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chichen Qiu's specialty?
- Chichen Qiu is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Chichen Qiu located?
- Chichen Qiu's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Chichen Qiu's phone number?
- The practice phone number listed in the NPPES registry for Chichen Qiu is (650) 723-4000.
- Does Chichen Qiu accept Medicare?
- Chichen Qiu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chichen Qiu's NPI active?
- Yes — Chichen Qiu's NPI (1699270652) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.