Dr Mark Langdorf, MD - Medicare Emergency Medicine in Orange, CA

Dr Mark Langdorf, MD is a medicare enrolled "Emergency Medicine" physician in Orange, California. His current practice location is 101 The City Dr S, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 880-7812.

Dr Mark Langdorf is licensed to practice in California (license number 000000G62953) 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 1770666299.

Contact Information

Dr Mark Langdorf, MD
101 The City Dr S,
Orange, CA 92868-3201
(714) 880-7812
Not Available



Physician's Profile

Full NameDr Mark Langdorf
GenderMale
SpecialityEmergency Medicine
Location101 The City Dr S, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1770666299
  • Provider Enumeration Date: 10/21/2006
  • Last Update Date: 02/28/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 8426950510
  • Enrollment ID: I20100517000158

Medical Identifiers

Medical identifiers for Dr Mark Langdorf such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1770666299NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 000000G62953 (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 Mark Langdorf 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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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 Mark Langdorf 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 Mark Langdorf, MD
200 S Manchester Ave Ste 300,
Orange, CA 92868-3219

Ph: (714) 456-2986
Dr Mark Langdorf, MD
101 The City Dr S,
Orange, CA 92868-3201

Ph: (714) 880-7812

News Archive

Multiple abstracts on QNEXA presented at 47th EASD

VIVUS, Inc. today announced that multiple abstracts were presented at the 47th European Association for the Study of Diabetes (EASD) Annual Meeting in Lisbon, Portugal. The presentations highlighted the long-term beneficial effects of QNEXA treatment in metabolically-impaired patients with prediabetes, diabetes, and metabolic syndrome.

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A new study conducted by a team of researchers at Johns Hopkins University, USA, has observed how pregnant women infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) show stunted antiviral immune responses.

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In 2004, 82 percent of adults and more than 50 percent of children took at least one prescription, over-the-counter (OTC), or herbal/natural medication in any given week, Boston University researchers revealed recently.

Oncolytics' REOLYSIN granted FDA Orphan Drug Designation for treatment of gastric cancers

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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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