George Lum, MD
NPI 1629156799 · Critical Care Medicine (Internal Medicine) Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Lum, MD is a Critical Care Medicine (Internal Medicine) Physician provider in Walnut Creek, CA (NPI 1629156799).
Provider details
- NPI number
- 1629156799
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G70165 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tiotropium Bromidebrand: Spiriva Respimat | 229 | 56 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 207 | 60 |
| Prednisone | 107 | 70 |
| Ciclesonidebrand: Alvesco | 63 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 62 | 28 |
| Pirfenidone | 52 | — |
| Azithromycin | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2021-12-13
Frequently asked questions
- What is George Lum's NPI number?
- George Lum's National Provider Identifier (NPI) is 1629156799, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Lum's specialty?
- George Lum is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is George Lum located?
- George Lum's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596-5318.
- What is George Lum's phone number?
- The practice phone number listed in the NPPES registry for George Lum is (925) 295-4000.
- Does George Lum accept Medicare?
- George Lum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Lum's NPI active?
- Yes — George Lum's NPI (1629156799) is active in the NPPES registry as of the last update on 2021-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.