Barbara Blair Feldhaus
Physician Assistant · Sonora, CA
Barbara Blair Feldhaus is a physician assistant with a practice address in Sonora, California, and NPI 1326704651, issued on Nov 10, 2021. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Barbara Blair Feldhaus
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 690 Guzzi LN Ste B, Sonora, CA 95370
- Phone
- (209) 536-5757
- Enumerated
- Nov 10, 2021
- Record last updated
- Nov 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220301001097); 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 690 Guzzi LN Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Jeffery, M.D.Internal Medicine Physician1427293836
- Reiker Schultz, MDInternal Medicine Physician1285910554
Verify Barbara Blair Feldhaus 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
24% more Medicare Part D claims than the average physician assistant in 2024
1,032 Medicare Part D claims for 416 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl259 claims
- Myrbetriq161 claims
- Estradiol116 claims
- Finasteride95 claims
- Alfuzosin Hcl Er92 claims
- Nitrofurantoin33 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $52.84
2 payments; by number, the most common kind was food and beverage; the largest payer was 180 Medical, 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
- Sonora Community HospitalSonora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Blair Feldhaus among 14,451 physician assistant records in California
Barbara Blair Feldhaus 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 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2021 · median 2018 among the 7,214 with a school on file
- Record last updated2021 · 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).
11 physician assistant records list a practice address in Sonora
They are 11 of the 629 NPPES records with a practice address in Sonora, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Sonora → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Claire Caldera, PASonora, CA 953701316863640
- Timothy DaySonora, CA 953701730196130
- Nickolas Dobler, PASonora, CA 953701588641351
- Jill Dudley, PA-CSonora, CA 953701669447819
- Kyla Marshall, PA-CSonora, CA 953701881430569
- Jester OdruniaSonora, CA 953701114722592
- Heather Price, PA-CSonora, CA 953701447208665
- Wyatt Stebbins, PA-CSonora, CA 953701003264359
Common questions
What is Barbara Blair Feldhaus's NPI number?
Barbara Blair Feldhaus's National Provider Identifier (NPI) is 1326704651, issued on Nov 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Blair Feldhaus located?
The NPPES record lists a practice address at 690 Guzzi LN Ste B, Sonora, CA, 95370. Phone: (209) 536-5757. Providers update this record themselves, so call before visiting.
How can I verify Barbara Blair Feldhaus's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Barbara Blair Feldhaus prescribe under Medicare Part D?
In 2024, Barbara Blair Feldhaus had 1,032 Medicare Part D claims for 416 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Barbara Blair Feldhaus's MIPS final score?
The 2023 MIPS final score is 79.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.