Nicholas Kwaan, MD
NPI 1952628828 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Kwaan, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1952628828).
Provider details
- NPI number
- 1952628828
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A119571 (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 tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 98 | 52 |
| Tiotropium Bromidebrand: Spiriva Respimat | 89 | 33 |
| Nintedanib Esylatebrand: Ofev | 59 | — |
| Budesonide/Formoterol Fumaratebrand: Breyna | 56 | 23 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 47 | 18 |
| Benralizumabbrand: Fasenra Pen | 40 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-30
- Last updated
- 2021-12-15
Frequently asked questions
- What is Nicholas Kwaan's NPI number?
- Nicholas Kwaan's National Provider Identifier (NPI) is 1952628828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Kwaan's specialty?
- Nicholas Kwaan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Kwaan located?
- Nicholas Kwaan's practice location on file with NPPES is 400 Parnassus Ave, San Francisco, CA 94143-2202.
- What is Nicholas Kwaan's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Kwaan is (415) 353-2961.
- Does Nicholas Kwaan accept Medicare?
- Nicholas Kwaan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Kwaan's NPI active?
- Yes — Nicholas Kwaan's NPI (1952628828) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.