Oscar Bach, PA
Physician Assistant · Pasadena, CA
Oscar Bach, PA is a physician assistant with a practice address in Pasadena, California, and NPI 1023632791, issued on May 29, 2020. Check the license (California 58358, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Oscar Bach
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 58358 CA
Self-reported in NPPES; status is on the state search - Practice location
- 112 N Madison Ave, Pasadena, CA 91101
- Phone
- (626) 796-8102
- Enumerated
- May 29, 2020
- Record last updated
- Nov 14, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 112 N Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Oscar Bach in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 58358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average physician assistant in 2024
579 Medicare Part D claims for 235 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Tamsulosin Hcl137 claims
- Silodosin85 claims
- Gemtesa65 claims
- Cefdinir40 claims
- Sulfamethoxazole-Trimethoprim35 claims
- Amoxicillin-Clavulanate Potass30 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: $674.65
26 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. 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.
Oscar Bach among 14,451 physician assistant records in California
Oscar Bach, PA 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 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2022 · 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).
88 physician assistant records list a practice address in Pasadena
They are 88 of the 10,525 NPPES records with a practice address in Pasadena, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Pasadena → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Tina Brenner, MHS, PA-CPasadena, CA 911011952754822
- Eugenie ChoPasadena, CA 911011962920561
- Beverly Cuano, PA-CPasadena, CA 911011255772034
- Adam Kapitz, PAPasadena, CA 911011194379149
- Joseph McDonaldPasadena, CA 911011215648795
- Natalie MonteroPasadena, CA 911011962083238
- Kimia NowbariPasadena, CA 911011063368926
- Alyson Patel, PA-CPasadena, CA 911011316450828
Common questions
What is Oscar Bach, PA's NPI number?
Oscar Bach, PA's National Provider Identifier (NPI) is 1023632791, issued on May 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Oscar Bach, PA located?
The NPPES record lists a practice address at 112 N Madison Ave, Pasadena, CA, 91101. Phone: (626) 796-8102. Providers update this record themselves, so call before visiting.
How can I verify Oscar Bach, PA's license?
NPPES lists California license number 58358, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Oscar Bach, PA prescribe under Medicare Part D?
In 2024, Oscar Bach, PA had 579 Medicare Part D claims for 235 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.