Mark Ombrellaro, MD
NPI 1699793968 · Vascular Surgery Physician · Bellevue, WA
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ombrellaro, MD is a Vascular Surgery Physician provider in Bellevue, WA (NPI 1699793968).
Provider details
- NPI number
- 1699793968
- Entity type
- Individual
- Primary specialty
- Vascular Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00033502 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,702 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 206 | $50 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 175 | $86 |
| Ultrasound Study of Arm and Leg Arteries93922 | 127 | $15 |
| Complete Ultrasound of Aorta, Vena Cava, Groin Vessels Or Bypass Grafts93978 | 112 | $49 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 100 | $50 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 94 | $188 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,104 across 36 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Ombrellaro's NPI number?
- Mark Ombrellaro's National Provider Identifier (NPI) is 1699793968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ombrellaro's specialty?
- Mark Ombrellaro is listed in the NPPES registry with a primary specialty of Vascular Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ombrellaro located?
- Mark Ombrellaro's practice location on file with NPPES is 1135 116th Ave Ne Ste 220, Bellevue, WA 98004-4623.
- What is Mark Ombrellaro's phone number?
- The practice phone number listed in the NPPES registry for Mark Ombrellaro is (425) 450-7007.
- Does Mark Ombrellaro accept Medicare?
- Mark Ombrellaro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ombrellaro's NPI active?
- Yes — Mark Ombrellaro's NPI (1699793968) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.