John Williston Harris, MD - Medicare Infectious Disease in Glendale, CA

John Williston Harris, MD is a medicare enrolled "Internal Medicine - Infectious Disease" physician in Glendale, California. He graduated from medical school in 2008 and has 16 years of diverse experience with area of expertise as Infectious Disease. He is a member of the group practice A Morgenstein Md Apc Tsujimoto Tempest and his current practice location is 435 Arden Ave, Suite 350, Glendale, California. You can reach out to his office (for appointments etc.) via phone at (818) 500-0935.

John Williston Harris is licensed to practice in California (license number A137473) 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 1356648703.

Contact Information

John Williston Harris, MD
435 Arden Ave, Suite 350,
Glendale, CA 91203-4018
(818) 500-0935
(818) 500-0728

Map and Direction




Physician's Profile

Full NameJohn Williston Harris
GenderMale
SpecialityInfectious Disease
Experience16 Years
Location435 Arden Ave, Glendale, 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:
  • John Williston Harris graduated from medical school in 2008
  NPI Data:
  • NPI Number: 1356648703
  • Provider Enumeration Date: 02/22/2011
  • Last Update Date: 10/22/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 8123271426
  • Enrollment ID: I20150914000554

Medical Identifiers

Medical identifiers for John Williston Harris such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356648703NPI-NPPES
GR0007180MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RI0200XInternal Medicine - Infectious Disease A137473 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Saint Joseph Medical CtrBurbank, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
A Morgenstein Md Apc Tsujimoto Tempest62047239352

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. John Williston Harris allows following entities to bill medicare on his behalf.
Entity NameA Morgenstein Md Apc Tsujimoto Tempest
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1013947712
PECOS PAC ID: 6204723935
Enrollment ID: O20040227001008

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. John Williston Harris 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
John Williston Harris, MD
435 Arden Ave,
Glendale, CA 91203-1130

Ph: (818) 500-0935
John Williston Harris, MD
435 Arden Ave, Suite 350,
Glendale, CA 91203-4018

Ph: (818) 500-0935

Reviews and Comments


Internal Medicine Doctors in Glendale, CA

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Edgar H Aleman, MD
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Phone: 818-242-4191    Fax: 818-242-4811
Michael Eugene Klein, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1818 Verdugo Blvd, #300, Glendale, CA 91208
Phone: 818-952-5332    Fax: 818-790-6830
Alen Mirzaian, M.D.
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Medicare: May Accept Medicare Assignments
Practice Location: 1818 Verdugo Blvd Ste 401, Glendale, CA 91208
Phone: 818-790-1145    

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.