Silvia Susana Grindle, PHYSICIAN ASSISTANT
Physician Assistant · Poway, CA
Silvia Susana Grindle, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Poway, California, and NPI 1598056392, issued on Apr 27, 2011. Check the license (California PA21499, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Silvia Susana Grindle
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA21499 CA
Self-reported in NPPES; status is on the state search - Practice location
- 13525 Midland RD, Poway, CA 92064
- Phone
- (858) 486-9100
- Enumerated
- Apr 27, 2011
- Record last updated
- Apr 27, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (858) 486-9101
- Medicare enrollment
- Enrolled (PECOS I20110922000269); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 13525 Midland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborah Lewallen, MS MFTMarriage & Family Therapist1093910069
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Verify Silvia Susana Grindle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA21499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average physician assistant in 2024
225 Medicare Part D claims for 35 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium37 claims
- Losartan Potassium21 claims
- Lisinopril20 claims
- Metoprolol Succinate16 claims
- Metformin Hcl13 claims
- Hydrochlorothiazide12 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.
13 physician assistant records list a practice address in Poway
They are 13 of the 1,306 NPPES records with a practice address in Poway, and 14,451 physician assistant records in California.
All 13 in Poway → All 14,451 in California → Every provider in Poway →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Silvia Susana Grindle, PHYSICIAN ASSISTANT's NPI number?
Silvia Susana Grindle, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1598056392, issued on Apr 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Silvia Susana Grindle, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 13525 Midland RD, Poway, CA, 92064. Phone: (858) 486-9100. Providers update this record themselves, so call before visiting.
How can I verify Silvia Susana Grindle, PHYSICIAN ASSISTANT's license?
NPPES lists California license number PA21499, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Silvia Susana Grindle, PHYSICIAN ASSISTANT prescribe under Medicare Part D?
In 2024, Silvia Susana Grindle, PHYSICIAN ASSISTANT had 225 Medicare Part D claims for 35 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.