Dr John B Holden, MD - Medicare Diagnostic Radiology in Pasadena, CA

Dr John B Holden, MD is a medicare enrolled "Radiology - Diagnostic Ultrasound" physician in Pasadena, California. He went to University Of Minnesota Medical School and graduated in 1983 and has 41 years of diverse experience with area of expertise as Diagnostic Radiology. He is a member of the group practice Grass Valley Radiology Medical Group, Inc, Renaissance Imaging Medical Associates Inc and his current practice location is 100 W California Blvd, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (626) 397-2139.

Dr John B Holden is licensed to practice in California (license number G56141) 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 1033125414.

Contact Information

Dr John B Holden, MD
100 W California Blvd,
Pasadena, CA 91105-3010
(626) 397-2139
Not Available

Map and Direction




Physician's Profile

Full NameDr John B Holden
GenderMale
SpecialityDiagnostic Radiology
Experience41 Years
Location100 W California Blvd, Pasadena, 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:
  • Dr John B Holden attended and graduated from University Of Minnesota Medical School in 1983
  NPI Data:
  • NPI Number: 1033125414
  • Provider Enumeration Date: 07/31/2006
  • Last Update Date: 07/12/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 7416975180
  • Enrollment ID: I20051110000819

Medical Identifiers

Medical identifiers for Dr John B Holden such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1033125414NPI-NPPES
00G561410MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085B0100XRadiology - Body Imaging G56141 (California)Secondary
2085N0904XRadiology - Nuclear Radiology G56141 (California)Secondary
2085R0202XRadiology - Diagnostic Radiology G56141 (California)Secondary
2085R0204XRadiology - Vascular & Interventional Radiology G56141 (California)Secondary
2085U0001XRadiology - Diagnostic Ultrasound G56141 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Sierra Nevada Memorial HospitalGrass valley, CAHospital
Glendale Mem Hospital & Hlth CenterGlendale, CAHospital
Valley Presbyterian HospitalVan nuys, CAHospital
Northridge Hospital Medical CenterNorthridge, CAHospital
California Hospital Medical Center LaLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Grass Valley Radiology Medical Group, Inc44866241033
Renaissance Imaging Medical Associates Inc7315841756132

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. Dr John B Holden 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 NameSouthern Inyo Healthcare District
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831128602
PECOS PAC ID: 7911816731
Enrollment ID: O20040317000188
Entity NameGrass Valley Radiology Medical Group, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942226329
PECOS PAC ID: 4486624103
Enrollment ID: O20040729001046

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. Dr John B Holden 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
Dr John B Holden, MD
4100 Guardian St, Suite 205,
Simi Valley, CA 93063-6717

Ph: (805) 577-2147
Dr John B Holden, MD
100 W California Blvd,
Pasadena, CA 91105-3010

Ph: (626) 397-2139

Reviews and Comments


Radiology Doctors in Pasadena, CA

Dr. Richard A. Reed, MEDICAL DOCTOR
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Dr. Warren Wai Lam, MEDICAL DOCTOR
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Phone: 626-397-5139    Fax: 626-447-1058
Dr. Pia Lindstrom Luedtke, MD
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Practice Location: 100 W California Blvd, Huntington Memorial Hospital, Pasadena, CA 91105
Phone: 626-397-5139    

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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.

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