Michael S Hepfer, MD
Diagnostic Radiology · Internal Medicine · Pediatric Medicine (CMS) · Northridge, CA
At a glance
18436 Roscoe Blvd, Northridge, CA 91325-4107
Published activity: Leg revascularization (restoring blood flow). View counts and coverage
NPPES record updated Feb 19, 2019. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
18436 Roscoe BlvdNorthridge, CA 91325-4107
Education & affiliations
- Medical / professional school
- Tulane University School Of Medicine
- Graduation year
- 1999
- CMS specialties
- Diagnostic Radiology · Internal Medicine · Pediatric Medicine
Practice groups
- Golden State Imaging Associates Inc
- Kc Tan Md Medical Corporation
- Mountain Communities Healthcare District
- Renaissance Imaging Medical Associates Inc
Reported hospital affiliations
- Garfield Medical Center Monterey Park, CA
- Los Angeles Community Hospital Los Angeles, CA
- Northridge Hospital Medical Center Northridge, CA
- Southern California Hospital At Hollywood Hollywood, CA
- Ventura County Medical Center Ventura, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Leg revascularization (restoring blood flow) | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $431.07 |
Reporting companies
| Company | Amount |
|---|---|
| STRYKER CORPORATION | $205.28 |
| PENUMBRA, INC. | $204.87 |
| INARI MEDICAL, INC. | $20.92 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Diagnostic Radiology · Internal Medicine · Pediatric Medicine (CMS)
- Taxonomy code
- 2085R0202X
- Enumeration date
- Jul 30, 2006
- Record updated
- Feb 19, 2019
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: A86432 CA
208000000X
License reported: A86432 CA
2085R0202X · Primary
License reported: A86432 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
18436 Roscoe BlvdNorthridge, CA 91325-4107
- Phone
- (818) 435-1400
Mailing address
4100 GUARDIAN ST STE 205SIMI VALLEY, CA 930636721
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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