DR. WILLIAM V GLENN MD
NPI 1447270608
Radiology - Diagnostic Radiology in Manhattan Beach, CA
About Dr. William V Glenn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM V GLENN MD (NPI 1447270608) is an individual diagnostic radiology provider in Manhattan Beach, California, licensed in California (C36983) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1970).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. William V Glenn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
23Medicare enrollment records show William Glenn reassigns Medicare billing to 23 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 47 clinicians in this Medicare group
Monterey Park, CA 91754
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Kc Tan MD Medical Corporation
- 74 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 68 clinicians in this Medicare group
Arcadia, CA 91007
- Reassigned Medicare billing, California enrollment
- 22 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
Victorville, CA 92395
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Mojave, CA 93501
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1275538530 (California)
- 192 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 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 10
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 90266 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 William Glenn's NPI number?
The NPI number for William Glenn is 1447270608. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is William Glenn located?
William Glenn practices at 112 The Strand, Manhattan Beach, CA 90266. The listed phone number is (310) 937-4594.
What is William Glenn's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Glenn enrolled in Medicare?
Yes. William Glenn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Glenn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Glenn reassigns Medicare benefits to 23 organizations: Radiology Medical Group Of Wmmc (Los Angeles, CA), Usc Care Medical Group, Inc (Los Angeles, CA), Los Alamitos Radiology Group Inc (Los Alamitos, CA), Kc Tan, M.D. Medical Corporation (Monterey Park, CA), West Valley Radiology Medical Group, Inc. (West Hills, CA) and 18 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 William Glenn'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 William Glenn was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.
# Dr. William V Glenn, MD · NPI 1447270608
Diagnostic Radiology physician in Manhattan Beach, California. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1447270608 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** C36983 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 112 THE STRAND, Manhattan Beach, CA 90266-6524
- **Phone:** (310) 937-4594
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 23 organizations under Medicare reassignment (form CMS-855R): Radiology Medical Group Of Wmmc (NPI 1831123868, Los Angeles, CA); Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Los Alamitos Radiology Group Inc (NPI 1427005024, Los Alamitos, CA); Kc Tan, M.D. Medical Corporation (NPI 1215394036, Monterey Park, CA); West Valley Radiology Medical Group, Inc. (NPI 1265486427, West Hills, CA); and 18 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1970
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare UPIN A36427 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1447270608) · Data from the CMS NPPES public registry.