Anthony Ambrosino, P.A.
NPI 1558733451 · Physician Assistant · Antioch, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anthony Ambrosino, P.A. is a Physician Assistant provider in Antioch, CA (NPI 1558733451).
Provider details
- NPI number
- 1558733451
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
416 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 | 130 | $154 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 114 | $107 |
| Critical Care, First 30-74 Minutes99291 | 99 | $189 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $82 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $100 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 56 | 52 |
| Prednisone | 53 | 51 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 50 | 49 |
| Azithromycin | 47 | 46 |
| Naproxen | 46 | 45 |
| Cephalexin | 42 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-10-30
- Last updated
- 2016-08-26
Frequently asked questions
- What is Anthony Ambrosino's NPI number?
- Anthony Ambrosino's National Provider Identifier (NPI) is 1558733451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anthony Ambrosino's specialty?
- Anthony Ambrosino is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Anthony Ambrosino located?
- Anthony Ambrosino's practice location on file with NPPES is 2904 Carolyn Ct, Antioch, CA 94509-4952.
- What is Anthony Ambrosino's phone number?
- The practice phone number listed in the NPPES registry for Anthony Ambrosino is (925) 628-7627.
- Does Anthony Ambrosino accept Medicare?
- Anthony Ambrosino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anthony Ambrosino's NPI active?
- Yes — Anthony Ambrosino's NPI (1558733451) is active in the NPPES registry as of the last update on 2016-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.