Siyuan Ni, M.D.
NPI 1265875728 · Pulmonary Disease Physician · Burlingame, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siyuan Ni, M.D. is a Pulmonary Disease Physician provider in Burlingame, CA (NPI 1265875728).
Provider details
- NPI number
- 1265875728
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A137311 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
863 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 237 | $240 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 178 | $158 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 75 | $136 |
| Test to Measure the Level of Nitric Oxide Gas95012 | 63 | $27 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $112 |
| Test to Measure Expiratory Airflow and Volume94010 | 55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 121 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 95 | 53 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 67 | 15 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 65 | 15 |
| Montelukast Sodium | 64 | 18 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 48 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 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
Additional practice locations (1)
- 513 Parnassus AveSan Francisco, CA 94143Phone: (415) 476-0735
Registry dates
- Enumerated
- 2013-04-15
- Last updated
- 2021-04-14
- Certified
- 2021-04-14
Frequently asked questions
- What is Siyuan Ni's NPI number?
- Siyuan Ni's National Provider Identifier (NPI) is 1265875728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siyuan Ni's specialty?
- Siyuan Ni is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Siyuan Ni located?
- Siyuan Ni's practice location on file with NPPES is 1750 El Camino Real Ste 307, Burlingame, CA 94010-3216.
- What is Siyuan Ni's phone number?
- The practice phone number listed in the NPPES registry for Siyuan Ni is (650) 697-5367.
- Does Siyuan Ni accept Medicare?
- Siyuan Ni is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siyuan Ni's NPI active?
- Yes — Siyuan Ni's NPI (1265875728) is active in the NPPES registry as of the last update on 2021-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.