Andrew Cha, D.O
NPI 1508832940 · Hospitalist Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Cha, D.O is a Hospitalist Physician provider in Fontana, CA (NPI 1508832940).
Provider details
- NPI number
- 1508832940
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 20A9098 (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
20 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
32 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 | 32 | $79 |
Typical Medicare-allowed amounts for these services range $79–$79 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 25 | — |
| Furosemide | 24 | 15 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 19 | — |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 18 | — |
| Metoprolol Tartrate | 17 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-26
- Last updated
- 2021-11-30
Frequently asked questions
- What is Andrew Cha's NPI number?
- Andrew Cha's National Provider Identifier (NPI) is 1508832940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Cha's specialty?
- Andrew Cha is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Cha located?
- Andrew Cha's practice location on file with NPPES is 9985 Sierra Ave, Fontana, CA 92335-6720.
- What is Andrew Cha's phone number?
- The practice phone number listed in the NPPES registry for Andrew Cha is (888) 750-0036.
- Does Andrew Cha accept Medicare?
- Andrew Cha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Cha's NPI active?
- Yes — Andrew Cha's NPI (1508832940) is active in the NPPES registry as of the last update on 2021-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.