Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS
Physician Assistant · Torrance, CA
Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS is a physician assistant with a practice address in Torrance, California, and NPI 1083641872, issued on Jun 27, 2006. Check the license (California PA21497, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shizuka Erin Shishido
- Credential
- MPAS, PA-C, ATC,CSCS
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21497 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20911 Earl St, Torrance, CA 90503
- Phone
- (310) 372-0700
- Enumerated
- Jun 27, 2006
- Record last updated
- Jul 11, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110822000231); 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 20911 Earl St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Shizuka Erin Shishido in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average physician assistant in 2024
442 Medicare Part D claims for 167 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Ipratropium Bromide143 claims
- Fluticasone Propionate73 claims
- Azelastine Hcl26 claims
- Prednisone20 claims
- Omeprazole18 claims
- Ciprofloxacin-Dexamethasone17 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: $678.85
31 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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
- Steven E Davis MD IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shizuka Erin Shishido among 14,451 physician assistant records in California
Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS 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 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2010 · median 2018 among the 7,214 with a school on file
- Record last updated2012 · 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).
89 physician assistant records list a practice address in Torrance
They are 89 of the 8,901 NPPES records with a practice address in Torrance, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Torrance → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Brittany Bellows, P.A.Torrance, CA 905031801088240
- Jeramie Bhatia, PA-CTorrance, CA 905031255469334
- Jenny Chen, PA-CTorrance, CA 905031770928855
- Amrita Desai, P.A.-CTorrance, CA 905031326414376
- Steven Dillavou, P.A.-C.Torrance, CA 905031003171851
- Khatereh Hinze, D.C., PA-CTorrance, CA 905031144495441
- Derrick Johnson, PATorrance, CA 905031609093277
- Jaclyn Kwan, P.A.Torrance, CA 905031598172181
Common questions
What is Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS's NPI number?
Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS's National Provider Identifier (NPI) is 1083641872, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS located?
The NPPES record lists a practice address at 20911 Earl St, Torrance, CA, 90503. Phone: (310) 372-0700. Providers update this record themselves, so call before visiting.
How can I verify Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS's license?
NPPES lists California license number PA21497, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS prescribe under Medicare Part D?
In 2024, Shizuka Erin Shishido, MPAS, PA-C, ATC,CSCS had 442 Medicare Part D claims for 167 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.