Robert James Katzer, MD - Medicare Emergency Medicine in Orange, CA

Robert James Katzer, MD is a medicare enrolled "Emergency Medicine" physician in Orange, California. His current practice location is 101 The City Dr S Bldg 1a, Orange, California. You can reach out to his office (for appointments etc.) via phone at (510) 910-6981.

Robert James Katzer is licensed to practice in California (license number A116544) 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 1467612580.

Contact Information

Robert James Katzer, MD
101 The City Dr S Bldg 1a,
Orange, CA 92868-3201
(510) 910-6981
Not Available



Physician's Profile

Full NameRobert James Katzer
GenderMale
SpecialityEmergency Medicine
Location101 The City Dr S Bldg 1a, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1467612580
  • Provider Enumeration Date: 06/12/2008
  • Last Update Date: 06/13/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 2860679453
  • Enrollment ID: I20110608000274

Medical Identifiers

Medical identifiers for Robert James Katzer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467612580NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A116544 (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. Robert James Katzer allows following entities to bill medicare on his behalf.
Entity NameRegents Of The University Of
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154379394
PECOS PAC ID: 7517869605
Enrollment ID: O20040120001119

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› Verified 7 days ago

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. Robert James Katzer 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
Robert James Katzer, MD
101 The City Dr S Bldg 1a,
Orange, CA 92868-3201

Ph: (510) 910-6981
Robert James Katzer, MD
101 The City Dr S Bldg 1a,
Orange, CA 92868-3201

Ph: (510) 910-6981

News Archive

Estradiol and its metabolites and their association with knee osteoarthritis

Osteoarthritis, which usually develops between the ages of 40 and 50, is more prevalent in women. It is thought that sex hormones may play a role in developing the disease, since they can be involved in inflammation of the tissues affected by it.

Patients with gastric cancer have impaired TGFβig-h3 protein

Scientists at the University of Liverpool have found that the production of a protein that prevents the growth and spread of cancerous cells is impaired in patients with gastric cancer.

FT and GGT enzymes can be promising targets for treatment of lung cancer

A research team at the Sahlgrenska Academy at the University of Gothenburg, Sweden, has shown in a study that two closely related enzymes could be targets for the treatment of lung cancer. The discovery was made when the researchers blocked the production of the two enzymes in transgenic mice. This resulted in inhibition of cell growth, fewer tumours and greater survival among the mice.

Study finds higher rates of suicidal thoughts and attempts among transgender adults

Suicidal thoughts and attempts by adult transgender individuals were 14 and 22 times higher, respectively, than rates for the general public, according to a new study published in Transgender Health, a peer-reviewed open access journal from Mary Ann Liebert, Inc., publishers. The article is available open access on the Transgender Health website.

Read more News

› Verified 7 days ago


Emergency Medicine Doctors in Orange, CA

Joseph Villarreal, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Building 1a, Room 1009, Orange, CA 92868
Phone: 714-456-5239    
Scott Rudkin, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 714-456-2986    
Joelle Reynard, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Building 1a, Room 1009, Orange, CA 92868
Phone: 714-456-5239    
Dr. Inna Shniter, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1100 W Stewart Dr, Orange, CA 92868
Phone: 714-771-8113    
John C Fox, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 714-456-2986    
Miss Shannon Louise Toohey, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 101 The City Drive South, Bldg 200 , Suite 710, Rt 128-01, Orange, CA 92868
Phone: 715-456-5239    
Wirachin Hoonpongsimanont, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-5705    

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