Ryan Lokken, M.D., M.P.H.
NPI 1033315510 · Vascular & Interventional Radiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Interventional Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Lokken, M.D., M.P.H. is a Vascular & Interventional Radiology Physician provider in San Francisco, CA (NPI 1033315510).
Provider details
- NPI number
- 1033315510
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- 036137156 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
842 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) |
|---|---|---|
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 143 | $13 |
| Review By Radiologist of Additional Artery Image75774 | 100 | $50 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 66 | $15 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 61 | $19 |
| Insertion of Tube Into Abdominal, Pelvic, Or Leg Artery, Additional Second, Third, and Beyond36248 | 42 | $50 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 42 | $113 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,417 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
- 2007-06-22
- Last updated
- 2021-04-16
- Certified
- 2021-04-16
Frequently asked questions
- What is Ryan Lokken's NPI number?
- Ryan Lokken's National Provider Identifier (NPI) is 1033315510, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Lokken's specialty?
- Ryan Lokken is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Lokken located?
- Ryan Lokken's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Ryan Lokken's phone number?
- The practice phone number listed in the NPPES registry for Ryan Lokken is (415) 885-7268.
- Does Ryan Lokken accept Medicare?
- Ryan Lokken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Lokken's NPI active?
- Yes — Ryan Lokken's NPI (1033315510) is active in the NPPES registry as of the last update on 2021-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.