Siyavash Mohandessi, MD
NPI 1316093818 · Family Medicine Physician · Vancouver, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siyavash Mohandessi, MD is a Family Medicine Physician provider in Vancouver, WA (NPI 1316093818).
Provider details
- NPI number
- 1316093818
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00047474 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
815 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 178 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $119 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 65 | $129 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 63 | $10 |
| Hemoglobin A1c Level83036 | 63 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 62 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 843 | 234 |
| Lisinopril | 419 | 121 |
| Amlodipine Besylate | 409 | 119 |
| Levothyroxine Sodium | 284 | 67 |
| Omeprazole | 266 | 86 |
| Rosuvastatin Calcium | 258 | 72 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2016-09-27
Frequently asked questions
- What is Siyavash Mohandessi's NPI number?
- Siyavash Mohandessi's National Provider Identifier (NPI) is 1316093818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siyavash Mohandessi's specialty?
- Siyavash Mohandessi is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siyavash Mohandessi located?
- Siyavash Mohandessi's practice location on file with NPPES is 2525 Ne 139th St, Vancouver, WA 98686-2719.
- What is Siyavash Mohandessi's phone number?
- The practice phone number listed in the NPPES registry for Siyavash Mohandessi is (360) 882-2778.
- Does Siyavash Mohandessi accept Medicare?
- Siyavash Mohandessi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siyavash Mohandessi's NPI active?
- Yes — Siyavash Mohandessi's NPI (1316093818) is active in the NPPES registry as of the last update on 2016-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.