Sophia Frohberg
NPI 1285324699 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sophia Frohberg is a Physician Assistant provider in San Francisco, CA (NPI 1285324699).
Provider details
- NPI number
- 1285324699
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
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
3 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
503 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 236 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $111 |
| Measurement of Liver Stiffness91200 | 40 | $27 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $78 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 33 | $94 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 290 | 283 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 117 | 114 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 50 | 49 |
| Pantoprazole Sodium | 44 | 16 |
| Omeprazole | 38 | 17 |
| Famotidine | 29 | 14 |
| Lubiprostone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$336 across 8 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
Additional practice locations (1)
- 100 Baldwin BlvdFishersville, VA 22939-2375Phone: (817) 823-8833
Registry dates
- Enumerated
- 2023-05-09
- Last updated
- 2025-10-24
- Certified
- 2025-10-24
Frequently asked questions
- What is Sophia Frohberg's NPI number?
- Sophia Frohberg's National Provider Identifier (NPI) is 1285324699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sophia Frohberg's specialty?
- Sophia Frohberg is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sophia Frohberg located?
- Sophia Frohberg's practice location on file with NPPES is 1100 Van Ness Ave, San Francisco, CA 94109-6978.
- What is Sophia Frohberg's phone number?
- The practice phone number listed in the NPPES registry for Sophia Frohberg is (415) 600-1000.
- Does Sophia Frohberg accept Medicare?
- Sophia Frohberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sophia Frohberg's NPI active?
- Yes — Sophia Frohberg's NPI (1285324699) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.