RICHARD A GUEST (M.D.) – Vascular Surgery Physician, NPI 1811064728
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
675 VASCULAR SURGERY in CA
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Provider Addresses for RICHARD A GUEST (M.D.)
POB 12325
LA CRESCENTA, CA 912245325
Phone: (310) 507-5099
Type: Mailing
Northridge Hospital Medical Center, 18300, Roscoe Boulevard, Reseda, Los Angeles, Los Angeles County, California, 91328, United States
SUITE 335
NORTHRIDGE, CA 913254216
Phone: (818) 998-8591
Fax: (818) 998-1196
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2015-11-09
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20110406000065 | I | Vascular Surgery | CA | TBD |
| I20151109001181 | I | Vascular Surgery | SD | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 91224)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | CA | |
| General Practice | CA | |
| Family Practice | CA | |
| General Practice | CA | |
| Vascular Surgery, General Surgery | CA | |
| C H I R O P R A C T I C | CA | |
| Orthopedic Surgery | CA | |
| Cardiac Electrophysiology, Internal Medicine | CA |
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