Jeffrey Costas, DO
NPI 1841552429 · Hospitalist Physician · Vallejo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Costas, DO is a Hospitalist Physician provider in Vallejo, CA (NPI 1841552429).
Provider details
- NPI number
- 1841552429
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- R2129 (AZ)
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 tenure28% of score
14 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
111 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 | 81 | $84 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $88 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 12 | $139 |
Typical Medicare-allowed amounts for these services range $84–$139 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefpodoxime Proxetil | 19 | 19 |
| Atorvastatin Calcium | 15 | — |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
| Furosemide | 12 | — |
| Empagliflozinbrand: Jardiance | 12 | — |
| Oxycodone Hcl | 12 | 12 |
| Doxycycline Monohydrate | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-06-11
- Last updated
- 2021-12-15
Frequently asked questions
- What is Jeffrey Costas's NPI number?
- Jeffrey Costas's National Provider Identifier (NPI) is 1841552429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Costas's specialty?
- Jeffrey Costas is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Costas located?
- Jeffrey Costas's practice location on file with NPPES is 975 Sereno Dr, Vallejo, CA 94589-2441.
- What is Jeffrey Costas's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Costas is (707) 651-1000.
- Does Jeffrey Costas accept Medicare?
- Jeffrey Costas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Costas's NPI active?
- Yes — Jeffrey Costas's NPI (1841552429) is active in the NPPES registry as of the last update on 2021-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.