Gilbert Zini, M.D.
NPI 1558375303 · Emergency Medicine Physician · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gilbert Zini, M.D. is a Emergency Medicine Physician provider in Rancho Cucamonga, CA (NPI 1558375303).
Provider details
- NPI number
- 1558375303
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A30191 (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 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
151 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 84 | $173 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 34 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $132 |
Typical Medicare-allowed amounts for these services range $8–$173 (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 |
|---|---|---|
| Cefdinir | 29 | 27 |
| Prednisone | 19 | 19 |
| Azithromycin | 16 | 14 |
| Olmesartan Medoxomil | 16 | 11 |
| Cyclobenzaprine Hcl | 14 | 14 |
| Diclofenac Potassium | 14 | 14 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2015-08-20
Frequently asked questions
- What is Gilbert Zini's NPI number?
- Gilbert Zini's National Provider Identifier (NPI) is 1558375303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gilbert Zini's specialty?
- Gilbert Zini is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gilbert Zini located?
- Gilbert Zini's practice location on file with NPPES is 8283 Grove Ave, Ste. 106, Rancho Cucamonga, CA 91730-3137.
- What is Gilbert Zini's phone number?
- The practice phone number listed in the NPPES registry for Gilbert Zini is (909) 982-1888.
- Does Gilbert Zini accept Medicare?
- Gilbert Zini is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gilbert Zini's NPI active?
- Yes — Gilbert Zini's NPI (1558375303) is active in the NPPES registry as of the last update on 2015-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.