Shant Vartanian, MD
NPI 1649308446 · Surgery Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Vascular Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shant Vartanian, MD is a Surgery Physician provider in San Francisco, CA (NPI 1649308446).
Provider details
- NPI number
- 1649308446
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A91607 (CA)
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
460 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 Study of Arm and Leg Arteries93922 | 146 | $13 |
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 60 | $36 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 56 | $41 |
| Ultrasound of One Leg Arteries Or Artery Grafts93926 | 56 | $25 |
| Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971 | 30 | $23 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 20 | $41 |
| Ultrasound Scan of Abdominal Aorta |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,859 across 14 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
- 2007-03-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shant Vartanian's NPI number?
- Shant Vartanian's National Provider Identifier (NPI) is 1649308446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shant Vartanian's specialty?
- Shant Vartanian is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Shant Vartanian located?
- Shant Vartanian's practice location on file with NPPES is 513 Parnassus Ave # S-321, San Francisco, CA 94143-2205.
- What is Shant Vartanian's phone number?
- The practice phone number listed in the NPPES registry for Shant Vartanian is (415) 479-1239.
- Does Shant Vartanian accept Medicare?
- Shant Vartanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shant Vartanian's NPI active?
- Yes — Shant Vartanian's NPI (1649308446) 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.