Andrew Abrass, M.D. M.P.H
NPI 1538395017 · General Acute Care Hospital · Concord, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Abrass, M.D. M.P.H is a General Acute Care Hospital provider in Concord, CA (NPI 1538395017).
Provider details
- NPI number
- 1538395017
- Entity type
- Individual
- Primary specialty
- General Acute Care HospitalHospitals
- Credential
- M.D. M.P.H
- Sex
- Male
- Sole proprietor
- Yes
- License
- 127494 (CA)
Specialties & taxonomies
Hospitals
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
421 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 222 | $167 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 143 | $116 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 34 | $68 |
| Critical Care, First 30-74 Minutes99291 | 22 | $204 |
Typical Medicare-allowed amounts for these services range $68–$204 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 35 | 35 |
| Ondansetronbrand: Ondansetron Odt | 29 | 29 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 25 | 24 |
| Prednisone | 21 | 18 |
| Cephalexin | 20 | 20 |
| Dexamethasone | 18 | 18 |
| Doxycycline Hyclate | 14 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-10
- Last updated
- 2014-02-10
Frequently asked questions
- What is Andrew Abrass's NPI number?
- Andrew Abrass's National Provider Identifier (NPI) is 1538395017, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Abrass's specialty?
- Andrew Abrass is listed in the NPPES registry with a primary specialty of General Acute Care Hospital (Hospitals).
- Where is Andrew Abrass located?
- Andrew Abrass's practice location on file with NPPES is 2540 East St, Concord, CA 94520-1906.
- What is Andrew Abrass's phone number?
- The practice phone number listed in the NPPES registry for Andrew Abrass is (925) 674-2140.
- Does Andrew Abrass accept Medicare?
- Andrew Abrass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Abrass's NPI active?
- Yes — Andrew Abrass's NPI (1538395017) is active in the NPPES registry as of the last update on 2014-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.