Sophia Ruef
Physician Assistant · Los Osos, CA
Sophia Ruef is a physician assistant with a practice address in Los Osos, California, and NPI 1033982814, issued on Nov 2, 2023. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sophia Ruef
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA.0008331 CO
Self-reported in NPPES; status is on the state search - Practice location
- 465 Mar Vista Dr, Los Osos, CA 93402
- Phone
- (805) 748-0198
- Enumerated
- Nov 2, 2023
- Record last updated
- Jan 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240129001621); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Sophia Ruef 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
91% fewer Medicare Part D claims than the average physician assistant in 2024
77 Medicare Part D claims for 41 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 26 claims were for opioids.
Most prescribed
- Oxycodone Hcl19 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: $16.26
1 payment: food and beverage; the largest payer was Innovation Technologies 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
- Catholic Health Initiatives ColoradoColorado Springs, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sophia Ruef among 14,451 physician assistant records in California
Sophia Ruef 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 updated2024 · 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 Los Osos → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Nicholas Brandt, PHYSICIAN ASSISTANTSan Luis Obispo, CA 934011366203903
- Karina Cervantes, PA-CSan Luis Obispo, CA 934011043025364
- Chelsea Crawford, PASan Luis Obispo, CA 934011679248769
- Shelby FarmerSan Luis Obispo, CA 934011346823291
- Laura Fundingsland, PA-CSan Luis Obispo, CA 934011871057141
- Manuel Garmendia, PA-CSan Luis Obispo, CA 934011437624103
- Jessica GashSan Luis Obispo, CA 934011184234593
- Jacqueline Hernandez, PASan Luis Obispo, CA 934011528839222
Common questions
What is Sophia Ruef's NPI number?
Sophia Ruef's National Provider Identifier (NPI) is 1033982814, issued on Nov 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Sophia Ruef located?
The NPPES record lists a practice address at 465 Mar Vista Dr, Los Osos, CA, 93402. Phone: (805) 748-0198. Providers update this record themselves, so call before visiting.
How can I verify Sophia Ruef's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sophia Ruef prescribe under Medicare Part D?
In 2024, Sophia Ruef had 77 Medicare Part D claims for 41 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.