Miriam Gaffer Ferreira, PA-C
NPI 1013230440 · Medical Physician Assistant · Berkeley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Miriam Gaffer Ferreira, PA-C is a Medical Physician Assistant provider in Berkeley, CA (NPI 1013230440).
Provider details
- NPI number
- 1013230440
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA20883 (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
16 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
23 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 | 12 | $92 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 11 | $126 |
Typical Medicare-allowed amounts for these services range $92–$126 (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 |
|---|---|---|
| Clobetasol Propionate | 101 | 46 |
| Triamcinolone Acetonide | 81 | 50 |
| Ketoconazole | 73 | 36 |
| Fluocinonide | 70 | 38 |
| Imiquimod | 53 | 40 |
| Mupirocin | 51 | 40 |
| Tretinoin | 41 | 21 |
| Metronidazole | 38 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,624 across 195 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
- 2010-03-12
- Last updated
- 2010-03-12
Frequently asked questions
- What is Miriam Gaffer Ferreira's NPI number?
- Miriam Gaffer Ferreira's National Provider Identifier (NPI) is 1013230440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Gaffer Ferreira's specialty?
- Miriam Gaffer Ferreira is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Miriam Gaffer Ferreira located?
- Miriam Gaffer Ferreira's practice location on file with NPPES is 2828 Telegraph Ave, Berkeley, CA 94705-1119.
- What is Miriam Gaffer Ferreira's phone number?
- The practice phone number listed in the NPPES registry for Miriam Gaffer Ferreira is (510) 848-8404.
- Does Miriam Gaffer Ferreira accept Medicare?
- Miriam Gaffer Ferreira is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Miriam Gaffer Ferreira's NPI active?
- Yes — Miriam Gaffer Ferreira's NPI (1013230440) is active in the NPPES registry as of the last update on 2010-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.