RICHARD A GUEST M.D.
NPI 1811064728
Surgery - Vascular Surgery in Northridge, CA
About Richard A Guest M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RICHARD A GUEST M.D. (NPI 1811064728) is an individual vascular surgery provider in Northridge, California, licensed in California (A33685) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1973).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Richard A Guest M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Richard Guest reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valley Village, CA 91607
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Valley Village, CA 91607
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
West Hollywood, CA 90046
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Glendale, CA 91205
- Reassigned Medicare billing, California enrollment
- 7 clinicians in this Medicare group
Los Angeles, CA 90031
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Los Angeles, CA 90031
- Reassigned Medicare billing, California enrollment
- 9 clinicians in this Medicare group
Spearfish, SD 57783
- Reassigned Medicare billing, South Dakota enrollment
- 831 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 14
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91325 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTHRIDGE, CA 91325
NORTHRIDGE, CA 91325
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Richard Guest's NPI number?
The NPI number for Richard Guest is 1811064728. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Richard Guest located?
Richard Guest practices at 18250 Roscoe Blvd Suite 335, Northridge, CA 91325. The listed phone number is (818) 998-8591.
What is Richard Guest's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Richard Guest enrolled in Medicare?
Yes. Richard Guest is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Richard Guest's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Richard Guest reassigns Medicare benefits to 7 organizations: Usa Vascular Centers Of Los Angeles, PC (Valley Village, CA), Valley Village Vein Clinic PC (Valley Village, CA), West Hollywood Vein Clinic PC (West Hollywood, CA), Glendale Vein Clinic, PC (Glendale, CA), Priority Family Care Center Apc (Los Angeles, CA) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Richard Guest's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Richard Guest was last updated on October 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Richard A Guest, M.D. · NPI 1811064728
Vascular Surgery physician in Northridge, California. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1811064728 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** A33685 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 18250 ROSCOE BLVD, SUITE 335, Northridge, CA 91325-4216
- **Phone:** (818) 998-8591 · **Fax:** (818) 998-1196
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Usa Vascular Centers Of Los Angeles, PC (NPI 1679951362, Valley Village, CA); Valley Village Vein Clinic PC (NPI 1811201643, Valley Village, CA); West Hollywood Vein Clinic PC (NPI 1881960920, West Hollywood, CA); Glendale Vein Clinic, PC (NPI 1245658988, Glendale, CA); Priority Family Care Center Apc (NPI 1982298394, Los Angeles, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1973
## Record status
- **NPPES last updated:** October 25, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811064728) · Data from the CMS NPPES public registry.