STEFAN RUEHM (MD) – Internal Medicine Physician, NPI 1669416632
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,800 DIAGNOSTIC RADIOLOGY in CA
Provider Addresses for STEFAN RUEHM (MD)
1245 16th St Ste 105
Santa Monica, CA 904041239
Phone: (310) 301-6800
Fax: (310) 794-9035
Type: Location
13630 Van Nuys Blvd Ste 107
Pacoima, CA 913313668
Phone: (747) 777-6099
Fax: (747) 227-3076
Type: Location
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
100 UCLA MEDICAL PLZ STE 100
LOS ANGELES, CA 900247000
Phone: (310) 301-6800
Fax: (310) 794-9035
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $228.
Total Amount is formed as General ($228) + Research ($0) + Ownership ($0) = $228.
Last reported payment date: 2024-08-17 • Largest payer in this snapshot: HeartFlow, Inc. ($228).
Total Amount
$228
General + Research + Ownership
Payments
5
Total payment records
General Amount
$228
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-08-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| HeartFlow, Inc. | $228 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-03-08
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050308000846 | I | Diagnostic Radiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 39,650 | 325 | $0 |
| A9575 | Injection, gadoterate meglumine, 0.1 ml | 7,900 | 33 | $0 |
| A9585 | Injection, gadobutrol, 0.1 ml | 4,750 | 41 | $0 |
| 71046 | X-ray of chest, 2 views | 388 | 381 | $0 |
| 71045 | X-ray of chest, 1 view | 256 | 207 | $0 |
Insurance plans in this area (ZIP 90404)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology, Interventional Radiology | CA | |
| Diagnostic Radiology | CA | |
| Nurse Practitioner | CA | |
| Diagnostic Radiology | CA | |
| - | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology, Pain Management | CA | |
| Diagnostic Radiology | CA | |
| Diagnostic Radiology | CT | |
| Diagnostic Radiology | CA |
Reviews
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