Erwin Hernandez, PA-C
NPI 1932493699 · Medical Physician Assistant · Northridge, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erwin Hernandez, PA-C is a Medical Physician Assistant provider in Northridge, CA (NPI 1932493699).
Provider details
- NPI number
- 1932493699
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA21379 (CA)
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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,842 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 1,532 | $67 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 179 | $68 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 131 | $119 |
Typical Medicare-allowed amounts for these services range $67–$119 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 143 | 18 |
| Olanzapine | 123 | 19 |
| Divalproex Sodium | 87 | 13 |
| Lorazepam | 85 | 22 |
| Clonazepam | 57 | — |
| Risperidone | 47 | — |
| Mirtazapine | 45 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-30
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Erwin Hernandez's NPI number?
- Erwin Hernandez's National Provider Identifier (NPI) is 1932493699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erwin Hernandez's specialty?
- Erwin Hernandez is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erwin Hernandez located?
- Erwin Hernandez's practice location on file with NPPES is 17074 Devonshire St, Northridge, CA 91325-1617.
- What is Erwin Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Erwin Hernandez is (818) 428-1790.
- Does Erwin Hernandez accept Medicare?
- Erwin Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erwin Hernandez's NPI active?
- Yes — Erwin Hernandez's NPI (1932493699) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.