Fernando Maldonado, M.D.
NPI 1740576123 · Family Medicine Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Maldonado, M.D. is a Family Medicine Physician provider in Vallejo, CA (NPI 1740576123).
Provider details
- NPI number
- 1740576123
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A123429 (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
15 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
19 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 | 19 | $146 |
Typical Medicare-allowed amounts for these services range $146–$146 (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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 332 | 128 |
| Amlodipine Besylate | 202 | 72 |
| Losartan Potassium | 157 | 54 |
| Lisinopril | 142 | 55 |
| Famotidine | 124 | 45 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 119 | 53 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-23
- Last updated
- 2021-12-22
Frequently asked questions
- What is Fernando Maldonado's NPI number?
- Fernando Maldonado's National Provider Identifier (NPI) is 1740576123, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Maldonado's specialty?
- Fernando Maldonado is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Fernando Maldonado located?
- Fernando Maldonado's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Fernando Maldonado's phone number?
- The practice phone number listed in the NPPES registry for Fernando Maldonado is (707) 651-1025.
- Does Fernando Maldonado accept Medicare?
- Fernando Maldonado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Maldonado's NPI active?
- Yes — Fernando Maldonado's NPI (1740576123) is active in the NPPES registry as of the last update on 2021-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.