Erin Brosamer, PA-C, CAQ-PSYCH
NPI 1710534359 · Medical Physician Assistant · Orange, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Brosamer, PA-C, CAQ-PSYCH is a Medical Physician Assistant provider in Orange, CA (NPI 1710534359).
Provider details
- NPI number
- 1710534359
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C, CAQ-PSYCH
- Sex
- Female
- Sole proprietor
- No
- License
- PA57436 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
6 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
139 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $83 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 38 | $64 |
Typical Medicare-allowed amounts for these services range $64–$83 (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 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Duloxetine Hcl | 90 | — |
| Bupropion Hclbrand: Bupropion Xl | 88 | 12 |
| Quetiapine Fumarate | 82 | 17 |
| Sertraline Hcl | 72 | 11 |
| Trazodone Hcl | 69 | 11 |
| Clonazepam | 47 | — |
| Aripiprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,628 across 236 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
- 2019-08-19
- Last updated
- 2025-11-19
- Certified
- 2025-11-19
Frequently asked questions
- What is Erin Brosamer's NPI number?
- Erin Brosamer's National Provider Identifier (NPI) is 1710534359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Brosamer's specialty?
- Erin Brosamer is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Erin Brosamer located?
- Erin Brosamer's practice location on file with NPPES is 1310 W Stewart Dr Ste 306, Orange, CA 92868-3838.
- What is Erin Brosamer's phone number?
- The practice phone number listed in the NPPES registry for Erin Brosamer is (714) 545-5550.
- Does Erin Brosamer accept Medicare?
- Erin Brosamer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Brosamer's NPI active?
- Yes — Erin Brosamer's NPI (1710534359) is active in the NPPES registry as of the last update on 2025-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.