Isaac A. Ibrahimi, PA-C
Physician Assistant · Castro Valley, CA
Isaac A. Ibrahimi, PA-C is a physician assistant with a practice address in Castro Valley, California, and NPI 1588735849, issued on Nov 10, 2006. Check the license (California PA18248, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Isaac A. Ibrahimi
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA18248 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19850 Lake Chabot RD, Castro Valley, CA 94546
- Phone
- (510) 582-8555
- Enumerated
- Nov 10, 2006
- Record last updated
- Jul 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (510) 581-8686
- Medicaid ID
- PA18248 CA
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 19850 Lake Chabot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Isaac A. Ibrahimi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA18248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average physician assistant in 2024
478 Medicare Part D claims for 230 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 48 claims were for opioids.
Most prescribed
- Ibuprofen80 claims
- Prednisone44 claims
- Cephalexin38 claims
- Acetaminophen-Codeine25 claims
- Famotidine22 claims
- Azithromycin20 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: $80.70
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Isaac A. Ibrahimi among 14,451 physician assistant records in California
Isaac A. Ibrahimi, PA-C 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 fileNo · 50% of these records are
- Record last updated2008 · 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).
28 physician assistant records list a practice address in Castro Valley
They are 28 of the 999 NPPES records with a practice address in Castro Valley, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Castro Valley → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Eric Bellfort, PACastro Valley, CA 945461073504403
- Cherie Clark, PA-CCastro Valley, CA 945461780992560
- Barry Clements, PA-CCastro Valley, CA 945461952392177
- Melissa Goralka, PACastro Valley, CA 945461891878740
- Jasmine Halloran, PACCastro Valley, CA 945461124090162
- Patti Hee, PA-CCastro Valley, CA 945461851439145
- Shalini Jeyakumar, MPA, RPA-CCastro Valley, CA 945461801119995
- Tara Jordan, MMS, PA-CCastro Valley, CA 945461366795395
Common questions
What is Isaac A. Ibrahimi, PA-C's NPI number?
Isaac A. Ibrahimi, PA-C's National Provider Identifier (NPI) is 1588735849, issued on Nov 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Isaac A. Ibrahimi, PA-C located?
The NPPES record lists a practice address at 19850 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 582-8555. Providers update this record themselves, so call before visiting.
How can I verify Isaac A. Ibrahimi, PA-C's license?
NPPES lists California license number PA18248, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Isaac A. Ibrahimi, PA-C prescribe under Medicare Part D?
In 2024, Isaac A. Ibrahimi, PA-C had 478 Medicare Part D claims for 230 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.