David Alonso, MD
NPI 1467403246 · Internal Medicine Physician · Chico, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Alonso, MD is a Internal Medicine Physician provider in Chico, CA (NPI 1467403246).
Provider details
- NPI number
- 1467403246
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 12929 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
18,182 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 5,326 | $91 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 4,672 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,310 | $128 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 2,024 | $16 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 778 | $19 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 361 | 102 |
| Levothyroxine Sodium | 191 | 47 |
| Gabapentin | 189 | 39 |
| Tirzepatidebrand: Mounjaro | 175 | 26 |
| Amlodipine Besylate | 136 | 39 |
| Lisinopril | 128 | 39 |
| Rosuvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$690 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2023-01-05
- Certified
- 2023-01-05
Frequently asked questions
- What is David Alonso's NPI number?
- David Alonso's National Provider Identifier (NPI) is 1467403246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Alonso's specialty?
- David Alonso is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Alonso located?
- David Alonso's practice location on file with NPPES is 564 Rio Lindo Ave Ste 102, Chico, CA 95926-1852.
- What is David Alonso's phone number?
- The practice phone number listed in the NPPES registry for David Alonso is (530) 965-9900.
- Does David Alonso accept Medicare?
- David Alonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Alonso's NPI active?
- Yes — David Alonso's NPI (1467403246) is active in the NPPES registry as of the last update on 2023-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.