Michal Twardowski, PA-C, CAQ-PSYCH
Physician Assistant · San Francisco, CA
Michal Twardowski, PA-C, CAQ-PSYCH is a physician assistant with a practice address in San Francisco, California, and NPI 1235753856, issued on May 29, 2020. Check the license (California PA58372, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michal Twardowski
- Credential
- PA-C, CAQ-PSYCH
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA58372 CA
Self-reported in NPPES; status is on the state search - Practice location
- 582 Market St Ste 1608, San Francisco, CA 94104
- Phone
- (833) 931-1716
- Enumerated
- May 29, 2020
- Record last updated
- Mar 27, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 582 Market St Ste 1608
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michal Twardowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average physician assistant in 2024
545 Medicare Part D claims for 51 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Escitalopram Oxalate62 claims
- Trazodone Hcl45 claims
- Bupropion Xl35 claims
- Dextroamphetamine-Amphet Er29 claims
- Sertraline Hcl27 claims
- Lamotrigine25 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: $112.65
1 payment: food and beverage; the largest payer was Alkermes, 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.
Michal Twardowski among 14,451 physician assistant records in California
Michal Twardowski, PA-C, CAQ-PSYCH 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 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
- Michael Mallatt, PACSan Francisco, CA 941041669409876
- Jason Nguyen, PA-CSan Francisco, CA 941041568765576
- Angela Powlen, PASan Francisco, CA 941041194872770
- Lora Smith, PA-CSan Francisco, CA 941041891990552
- Scott Tercero, MHS, PA-CSan Francisco, CA 941041114323201
- Pei Chen, PA-CSan Francisco, CA 941031205419165
- Curtis Ciesinski, PASan Francisco, CA 941031881180115
- Joanne Cui, PA-CSan Francisco, CA 941031265156780
Common questions
What is Michal Twardowski, PA-C, CAQ-PSYCH's NPI number?
Michal Twardowski, PA-C, CAQ-PSYCH's National Provider Identifier (NPI) is 1235753856, issued on May 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Michal Twardowski, PA-C, CAQ-PSYCH located?
The NPPES record lists a practice address at 582 Market St Ste 1608, San Francisco, CA, 94104. Phone: (833) 931-1716. Providers update this record themselves, so call before visiting.
How can I verify Michal Twardowski, PA-C, CAQ-PSYCH's license?
NPPES lists California license number PA58372, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Michal Twardowski, PA-C, CAQ-PSYCH prescribe under Medicare Part D?
In 2024, Michal Twardowski, PA-C, CAQ-PSYCH had 545 Medicare Part D claims for 51 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.