Katherine L. Bialka, PA-C
Medical Physician Assistant · Grass Valley, CA
Katherine L. Bialka, PA-C is a medical physician assistant with a practice address in Grass Valley, California, and NPI 1982964417, issued on May 17, 2012. Check the license (California PA52032, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine L. Bialka
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA52032 CA
Self-reported in NPPES; status is on the state search - Practice location
- 280 Sierra College Dr Ste 205, Grass Valley, CA 95945
- Phone
- (530) 477-7390
- Enumerated
- May 17, 2012
- Record last updated
- Sep 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (530) 538-5640
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 280 Sierra College Dr Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Callaham, MDCardiovascular Disease Physician1750305025
- Amy Clement, PA-CPhysician Assistant1134643646
- Doris Whittlesey, PA-CMedical Physician Assistant1811034465
Verify Katherine L. Bialka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA52032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average medical physician assistant in 2024
2,352 Medicare Part D claims for 400 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 115 claims were for opioids.
Most prescribed
- Amlodipine Besylate108 claims
- Levothyroxine Sodium105 claims
- Lisinopril92 claims
- Losartan Potassium84 claims
- Atorvastatin Calcium75 claims
- Alprazolam64 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: $119.45
6 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 16,165 providers of this specialty with any payment received $1,055.00 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.
Katherine L. Bialka among 3,376 medical physician assistant records in California
Katherine L. Bialka, PA-C is one of 3,376 medical physician assistant records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 51% of them.
- NPI issued2012 · 51% of these records are older, 46% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Grass Valley → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Annette Bennett, PA-CGrass Valley, CA 959451518102698
- Ashley Church, PA-CGrass Valley, CA 959451033800420
- Chase Duhon, PA-CGrass Valley, CA 959451528705258
- Cindy McMahon, PA-CGrass Valley, CA 959451124276142
- Gabriel Ramirez, PA-CGrass Valley, CA 959451114252822
- Marcus Rhodenhill, L.AC., PA-CGrass Valley, CA 959451780892869
- Doris Whittlesey, PA-CGrass Valley, CA 959451811034465
- Stacy Frazer, PAGridley, CA 959481659651479
Common questions
What is Katherine L. Bialka, PA-C's NPI number?
Katherine L. Bialka, PA-C's National Provider Identifier (NPI) is 1982964417, issued on May 17, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katherine L. Bialka, PA-C located?
The NPPES record lists a practice address at 280 Sierra College Dr Ste 205, Grass Valley, CA, 95945. Phone: (530) 477-7390. Providers update this record themselves, so call before visiting.
How can I verify Katherine L. Bialka, PA-C's license?
NPPES lists California license number PA52032, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine L. Bialka, PA-C prescribe under Medicare Part D?
In 2024, Katherine L. Bialka, PA-C had 2,352 Medicare Part D claims for 400 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.