Patricio Chavez, M.D
NPI 1770502148 · Emergency Medicine Physician · Antioch, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricio Chavez, M.D is a Emergency Medicine Physician provider in Antioch, CA (NPI 1770502148).
Provider details
- NPI number
- 1770502148
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- G48554 (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
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
476 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 | 141 | $154 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 71 | $196 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 60 | $130 |
| Automated Urinalysis Test81003 | 36 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Streptococcus, Group a (strep)87880 |
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 |
|---|---|---|
| Prednisone | 62 | 61 |
| Cephalexin | 34 | 34 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 31 | 31 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 26 |
| Ofloxacin | 24 | 24 |
| Azithromycin | 17 | 17 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2008-02-04
Frequently asked questions
- What is Patricio Chavez's NPI number?
- Patricio Chavez's National Provider Identifier (NPI) is 1770502148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricio Chavez's specialty?
- Patricio Chavez is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patricio Chavez located?
- Patricio Chavez's practice location on file with NPPES is 3901 Lone Tree Way, Antioch, CA 94509-6200.
- What is Patricio Chavez's phone number?
- The practice phone number listed in the NPPES registry for Patricio Chavez is (925) 779-7273.
- Does Patricio Chavez accept Medicare?
- Patricio Chavez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricio Chavez's NPI active?
- Yes — Patricio Chavez's NPI (1770502148) is active in the NPPES registry as of the last update on 2008-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.