Mahsheed Shariati, D.O.
Family Medicine Physician · Castro Valley, CA
Mahsheed Shariati, D.O. is a family medicine physician with a practice address in Castro Valley, California, and NPI 1891952198, issued on May 22, 2008. Check the license (California 20A10825, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mahsheed Shariati
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A10825 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20101 Lake Chabot RD, Castro Valley, CA 94546
- Phone
- (510) 756-3499
- Enumerated
- May 22, 2008
- Record last updated
- Feb 29, 2024
- Fax
- (510) 506-7732
- Medicaid ID
- 1891952198 CA
- Medicare enrollment
- Enrolled (PECOS I20101208000037); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 20101 Lake Chabot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tania Benjamin, MDPlastic Surgery within the Head & Neck (Otolaryngology) Physician1093276131
- Jennifer CaseyEndocrinology, Diabetes & Metabolism Physician1750524575
- Mandeep Chadha, AUDAudiologist1346078086
- Anthony Chan, M.D.Surgery Physician1285070235
- Phassarin Chansakul, MDPediatrics Physician1922413038
- Nalurporn Chokrungvaranon, M.D.Endocrinology, Diabetes & Metabolism Physician1922209436
Verify Mahsheed Shariati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A10825Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
208 Medicare Part D claims for 159 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Albuterol Sulfate Hfa39 claims
- Amoxicillin-Clavulanate Potass25 claims
- Fluticasone Propionate25 claims
- Cephalexin24 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationCastro Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mahsheed Shariati among 17,133 family medicine physician records in California
Mahsheed Shariati, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2007 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Castro Valley
They are 22 of the 999 NPPES records with a practice address in Castro Valley, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Castro Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Ahmad Ayoubi, M.D., M.SCastro Valley, CA 945461992926075
- Huong Dang, MDCastro Valley, CA 945461417390071
- Elmer Jason Grande, MDCastro Valley, CA 945461235323007
- Peter Hein, MDCastro Valley, CA 945461497803282
- Bhoomika Kamath, M.D.Castro Valley, CA 945461295991354
- Jaya Karnani, MDCastro Valley, CA 945461457309783
- Genevieve King, M. D.Castro Valley, CA 945461861561243
- Christopher Moore, MDCastro Valley, CA 945461437417029
Common questions
What is Mahsheed Shariati, D.O.'s NPI number?
Mahsheed Shariati, D.O.'s National Provider Identifier (NPI) is 1891952198, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mahsheed Shariati, D.O. located?
The NPPES record lists a practice address at 20101 Lake Chabot RD, Castro Valley, CA, 94546. Phone: (510) 756-3499. Providers update this record themselves, so call before visiting.
How can I verify Mahsheed Shariati, D.O.'s license?
NPPES lists California license number 20A10825, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mahsheed Shariati, D.O. prescribe under Medicare Part D?
In 2024, Mahsheed Shariati, D.O. had 208 Medicare Part D claims for 159 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.