Benjamin Shannon-Alferes, DO
NPI 1487146593 · Emergency Medicine Physician · West Hills, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Shannon-Alferes, DO is a Emergency Medicine Physician provider in West Hills, CA (NPI 1487146593).
Provider details
- NPI number
- 1487146593
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A19065 (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
8 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
4,926 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) |
|---|---|---|
| Physician Or Allowed Practitioner Supervision of a Patient Receiving Medicare-Covered Services Provided By a Participating Home Health Agency (patient Not Present) Requiring Complex and Multidisciplinary Care Modalities Involving Regular Physician Or AllowG0181 | 2,778 | $112 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 649 | $59 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 626 | $47 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 292 | $176 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 |
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 |
|---|---|---|
| Cephalexin | 42 | 42 |
| Ibuprofen | 38 | 38 |
| Prednisone | 37 | 37 |
| Ondansetronbrand: Ondansetron Odt | 35 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 29 | 29 |
| Naproxen | 28 | 28 |
| Cyclobenzaprine Hcl | 25 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-04
- Last updated
- 2025-08-12
- Certified
- 2025-08-12
Frequently asked questions
- What is Benjamin Shannon-Alferes's NPI number?
- Benjamin Shannon-Alferes's National Provider Identifier (NPI) is 1487146593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Shannon-Alferes's specialty?
- Benjamin Shannon-Alferes is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Shannon-Alferes located?
- Benjamin Shannon-Alferes's practice location on file with NPPES is 7300 Medical Center Dr, West Hills, CA 91307-1902.
- What is Benjamin Shannon-Alferes's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Shannon-Alferes is (818) 676-4000.
- Does Benjamin Shannon-Alferes accept Medicare?
- Benjamin Shannon-Alferes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Shannon-Alferes's NPI active?
- Yes — Benjamin Shannon-Alferes's NPI (1487146593) is active in the NPPES registry as of the last update on 2025-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.