Sophia May Frohberg
Physician Assistant · San Francisco, CA
Sophia May Frohberg is a physician assistant with a practice address in San Francisco, California, and NPI 1285324699, issued on May 9, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sophia May Frohberg
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1100 Van Ness Ave, San Francisco, CA 94109
- Phone
- (415) 600-1000
- Enumerated
- May 9, 2023
- Record last updated
- Oct 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20231212002070); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1100 Van Ness Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anjali Asrani, NPNurse Practitioner1184279770
- Ginny BaoEndocrinology, Diabetes & Metabolism Physician1801383286
Verify Sophia May Frohberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average physician assistant in 2024
731 Medicare Part D claims for 511 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf290 claims
- Gavilyte-G117 claims
- Peg-3350 And Electrolytes50 claims
- Pantoprazole Sodium44 claims
- Omeprazole38 claims
- Famotidine29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $336.33
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sutter Valley Medical FoundationModesto, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sophia May Frohberg among 14,451 physician assistant records in California
Sophia May Frohberg is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 80% of them.
- NPI issued2023 · 80% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2023 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kien Chou, LACSan Francisco, CA 941091134474893
- Lyndsey Cwikla, PASan Francisco, CA 941091073999157
- Emily Fung, PASan Francisco, CA 941091720051329
- Julia Gellert, PA-CSan Francisco, CA 941091013293976
- Mary Gomes Tindle, PA-CSan Francisco, CA 941091578788071
- Thomas Johnson, PA-CSan Francisco, CA 941091912017146
- Karlee Johnson, PA-CSan Francisco, CA 941091093290520
- Teresa Jones, PA-CSan Francisco, CA 941091255303970
Common questions
What is Sophia May Frohberg's NPI number?
Sophia May Frohberg's National Provider Identifier (NPI) is 1285324699, issued on May 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Sophia May Frohberg located?
The NPPES record lists a practice address at 1100 Van Ness Ave, San Francisco, CA, 94109. Phone: (415) 600-1000. Providers update this record themselves, so call before visiting.
How can I verify Sophia May Frohberg's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sophia May Frohberg prescribe under Medicare Part D?
In 2024, Sophia May Frohberg had 731 Medicare Part D claims for 511 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.