Ernest Bonner, MD
NPI 1992785703 · Internal Medicine Physician · Alameda, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ernest Bonner, MD is a Internal Medicine Physician provider in Alameda, CA (NPI 1992785703).
Provider details
- NPI number
- 1992785703
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- A30477 (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
132 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $148 |
Typical Medicare-allowed amounts for these services range $148–$148 (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 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 148 | 15 |
| Omeprazole | 100 | — |
| Gabapentin | 67 | — |
| Levothyroxine Sodium | 65 | — |
| Atorvastatin Calcium | 64 | — |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 63 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ernest Bonner's NPI number?
- Ernest Bonner's National Provider Identifier (NPI) is 1992785703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ernest Bonner's specialty?
- Ernest Bonner is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ernest Bonner located?
- Ernest Bonner's practice location on file with NPPES is 1406 Park St, Alameda, CA 94501-4560.
- What is Ernest Bonner's phone number?
- The practice phone number listed in the NPPES registry for Ernest Bonner is (810) 864-9600.
- Does Ernest Bonner accept Medicare?
- Ernest Bonner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ernest Bonner's NPI active?
- Yes — Ernest Bonner's NPI (1992785703) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.