Siyavash Mohandessi, MD
Family Medicine Physician · Vancouver, WA
Siyavash Mohandessi, MD is a family medicine physician with a practice address in Vancouver, Washington, and NPI 1316093818, issued on Jan 26, 2007. Check the license (Washington MD00047474, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Siyavash Mohandessi
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00047474 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2525 NE 139TH St, Vancouver, WA 98686
- Phone
- (360) 882-2778
- Enumerated
- Jan 26, 2007
- Record last updated
- Sep 27, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (360) 604-1675
- Medicaid ID
- 8477150 WA
- Medicare enrollment
- Enrolled (PECOS I20070509000285); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 2525 NE 139TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Adam, PA-CPhysician Assistant1447543459
- Cameron Anderson, MDFamily Medicine Physician1336727619
- Mackenzie Anderson, DOInternal Medicine Physician1568111060
- Cynthia Ashbaugh, FNPFamily Nurse Practitioner1356320402
- Irene Beach, CNMAdvanced Practice Midwife1629010616
- Kc Bly, CNMAdvanced Practice Midwife1902198708
Verify Siyavash Mohandessi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00047474Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average family medicine physician in 2024
9,008 Medicare Part D claims for 615 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 458 claims were for opioids.
Most prescribed
- Atorvastatin Calcium843 claims
- Lisinopril419 claims
- Amlodipine Besylate409 claims
- Levothyroxine Sodium284 claims
- Omeprazole266 claims
- Rosuvastatin Calcium258 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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siyavash Mohandessi among 5,534 family medicine physician records in Washington
Siyavash Mohandessi, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2009 among the 3,294 with a school on file
- Record last updated2016 · 57% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
242 family medicine physician records list a practice address in Vancouver
They are 242 of the 10,772 NPPES records with a practice address in Vancouver, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Vancouver → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cynthia Carlson, MDVancouver, WA 986861790862084
- Richard Carroll, D.O.Vancouver, WA 986861619966744
- Jeremy Chrisman, DOVancouver, WA 986861689784464
- Jeffrey Ford, M.D.Vancouver, WA 986861750478558
- Stephen Greaney, M.D.Vancouver, WA 986861457308546
- James Heid, MDVancouver, WA 986861336165919
- Lynne Heidsiek, M.D.Vancouver, WA 986861285745406
- Rebecca Hoffman, MDVancouver, WA 986861447225685
Common questions
What is Siyavash Mohandessi, MD's NPI number?
Siyavash Mohandessi, MD's National Provider Identifier (NPI) is 1316093818, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Siyavash Mohandessi, MD located?
The NPPES record lists a practice address at 2525 NE 139TH St, Vancouver, WA, 98686. Phone: (360) 882-2778. Providers update this record themselves, so call before visiting.
How can I verify Siyavash Mohandessi, MD's license?
NPPES lists Washington license number MD00047474, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siyavash Mohandessi, MD prescribe under Medicare Part D?
In 2024, Siyavash Mohandessi, MD had 9,008 Medicare Part D claims for 615 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.