Sean Spencer London, MD - Medicare Diagnostic Radiology in Northridge, CA

  1. Home
  2. Radiology
  3. CA
  4. Northridge
Sean Spencer London, MD is a medicare enrolled "Radiology - Body Imaging" physician in Northridge, California. He graduated from medical school in 2013 and has 13 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Medical Diagnostic Imaging Llc, Marshfield Clinic Inc, Milwaukee Radiologists Ltd and his current practice location is 18436 Roscoe Blvd, Northridge, California. You can reach out to his office (for appointments etc.) via phone at (818) 435-1400.

Sean Spencer London is licensed to practice in California (license number 161034) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1043650443.

Contact Information

Sean Spencer London, MD
18436 Roscoe Blvd,
Northridge, CA 91325-4107
(818) 435-1400
Not Available

Map and Direction




Physician's Profile

Full NameSean Spencer London
GenderMale
SpecialityDiagnostic Radiology
Experience13 Years
Location18436 Roscoe Blvd, Northridge, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Sean Spencer London graduated from medical school in 2013
  NPI Data:
  • NPI Number: 1043650443
  • Provider Enumeration Date: 06/28/2013
  • Last Update Date: 11/12/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 8527282086
  • Enrollment ID: I20190624000644

Medical Identifiers

Medical identifiers for Sean Spencer London such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043650443NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085B0100XRadiology - Body Imaging 63106 (Wisconsin)Secondary
2085B0100XRadiology - Body Imaging 161034 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ascension Se Wisconsin Hospital - St Joseph CampusMilwaukee, WIHospital
Beaver Dam Community Hospital Dba Marshfield Medical Center - Beaver DamBeaver dam, WIHospital
Lakeview Medical Center Of Rice LakeRice lake, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Medical Diagnostic Imaging Llc004210764113
Marshfield Clinic Inc2264345206210
Milwaukee Radiologists Ltd711391581017

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Sean Spencer London allows following entities to bill medicare on his behalf.
Entity NameRenaissance Imaging Medical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1487608931
PECOS PAC ID: 7315841756
Enrollment ID: O20031126000257
Entity NameHealth Diagnostics Of California A Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104321959
PECOS PAC ID: 4284621525
Enrollment ID: O20180825000084
Entity NameHoward Simon Md Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659930998
PECOS PAC ID: 7214369966
Enrollment ID: O20200320000417

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Sean Spencer London is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Sean Spencer London, MD
1460 Pastel Ln Ste 400,
Novato, CA 94947-4524

Ph: (415) 847-5850		Sean Spencer London, MD
18436 Roscoe Blvd,
Northridge, CA 91325-4107

Ph: (818) 435-1400

Reviews and Comments


Radiology Doctors in Northridge, CA

Dr. Alexander Minh-quan Le, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 18436 Roscoe Blvd, Northridge, CA 91325
Phone: 818-435-1400    
Rajesh Anant Bhavsar, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 18436 Roscoe Blvd, Northridge, CA 91325
Phone: 818-435-1400    
Barry Lowell Wilen, M.D.
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 17075 Devonshire St Ste 306, Northridge, CA 91325
Phone: 818-831-3227    Fax: 818-831-3447
Christopher Bedford, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 18436 Roscoe Blvd, Northridge, CA 91325
Phone: 818-435-1400    
Ryan Franke,
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 18436 Roscoe Blvd, Northridge, CA 91325
Phone: 818-435-1400    
Barry Rothman, M.D.
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 18300 Roscoe Blvd, Northridge, CA 91325
Phone: 818-885-8500    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.