Gary Chu, MD
NPI 1891873527 · Hospitalist Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Chu, MD is a Hospitalist Physician provider in Sacramento, CA (NPI 1891873527).
Provider details
- NPI number
- 1891873527
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A69856 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
141 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 109 | $80 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 32 | $83 |
Typical Medicare-allowed amounts for these services range $80–$83 (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 |
|---|---|---|
| Tamsulosin Hcl | 31 | — |
| Furosemide | 28 | 19 |
| Cephalexin | 22 | 22 |
| Metoprolol Succinate | 16 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 16 | 16 |
| Spironolactone | 13 | 12 |
| Carvedilol | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-08
Frequently asked questions
- What is Gary Chu's NPI number?
- Gary Chu's National Provider Identifier (NPI) is 1891873527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Chu's specialty?
- Gary Chu is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Chu located?
- Gary Chu's practice location on file with NPPES is 6600 Bruceville Rd, Sacramento, CA 95823-4671.
- What is Gary Chu's phone number?
- The practice phone number listed in the NPPES registry for Gary Chu is (916) 688-2000.
- Does Gary Chu accept Medicare?
- Gary Chu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Chu's NPI active?
- Yes — Gary Chu's NPI (1891873527) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.