Dr John Hollenberg, MD - Medicare Psychiatry & Neurology in Canoga Park, CA

Dr John Hollenberg, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Canoga Park, California. His current practice location is 7621 Canoga Ave, Canoga Park, California. You can reach out to his office (for appointments etc.) via phone at (818) 598-6900.

Dr John Hollenberg is licensed to practice in California (license number G00051020) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1083799225.

Contact Information

Dr John Hollenberg, MD
7621 Canoga Ave,
Canoga Park, CA 91304-4912
(818) 598-6900
Not Available

Map and Direction




Physician's Profile

Full NameDr John Hollenberg
GenderMale
SpecialityPsychiatry & Neurology - Psychiatry
Location7621 Canoga Ave, Canoga Park, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1083799225
  • Provider Enumeration Date: 10/26/2006
  • Last Update Date: 01/14/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 7911133483
  • Enrollment ID: I20131112001303

Medical Identifiers

Medical identifiers for Dr John Hollenberg such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1083799225NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2084P0800XPsychiatry & Neurology - Psychiatry G00051020 (California)Primary

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 Hollenberg allows following entities to bill medicare on his behalf.
Entity NameLos Angeles County Department Of Mental Health
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083633929
PECOS PAC ID: 7416869896
Enrollment ID: O20031104000319

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 Hollenberg 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 Hollenberg, MD
7621 Canoga Ave,
Canoga Park, CA 91304-4912

Ph: (818) 598-6900
Dr John Hollenberg, MD
7621 Canoga Ave,
Canoga Park, CA 91304-4912

Ph: (818) 598-6900

Reviews and Comments


Psychiatry & Neurology Doctors in Canoga Park, CA

Dr. Alan Ruttenberg, MD INC
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 22048 Sherman Way, Ste. 214, Canoga Park, CA 91303
Phone: 818-888-8428    Fax: 818-888-8495
Dr. Natalie Ann Krah, M.D.
Psychiatry & Neurology
Medicare: Not Enrolled in Medicare
Practice Location: 21201 Victory Boulevard, Suite 200, Canoga Park, CA 91303
Phone: 818-702-9339    Fax: 818-348-7005
Dr. Fabian Eric Hernandez, D.O.
Psychiatry & Neurology
Medicare: Accepting Medicare Assignments
Practice Location: 6800 Owensmouth Ave, 160, Canoga Park, CA 91303
Phone: 818-610-6700    Fax: 818-347-7292

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.