Lanny Lai Hsieh, MD - Medicare Infectious Disease in Orange, CA

Lanny Lai Hsieh, MD is a medicare enrolled "Hospitalist" physician in Orange, California. She went to New York University School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Infectious Disease. She is a member of the group practice The Regents Of The University Of California-irvine and her current practice location is 101 The City Dr S, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 456-8068.

Lanny Lai Hsieh is licensed to practice in California (license number A74172) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1184828444.

Contact Information

Lanny Lai Hsieh, MD
101 The City Dr S,
Orange, CA 92868-3201
(714) 456-8068
(714) 456-3765

Map and Direction




Physician's Profile

Full NameLanny Lai Hsieh
GenderFemale
SpecialityInfectious Disease
Experience25 Years
Location101 The City Dr S, Orange, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lanny Lai Hsieh attended and graduated from New York University School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1184828444
  • Provider Enumeration Date: 06/12/2007
  • Last Update Date: 11/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4981799889
  • Enrollment ID: I20150324000024

Medical Identifiers

Medical identifiers for Lanny Lai Hsieh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184828444NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist A74172 (California)Primary
207R00000XInternal Medicine A74172 (California)Secondary
207RI0200XInternal Medicine - Infectious Disease A74172 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
University Of California Irvine Medical CenterOrange, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Regents Of The University Of California-irvine397160961161

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. Lanny Lai Hsieh allows following entities to bill medicare on her behalf.
Entity NameThe Regents Of The University Of California-irvine
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154479723
PECOS PAC ID: 3971609611
Enrollment ID: O20070426000308

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. Lanny Lai Hsieh 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
Lanny Lai Hsieh, MD
Po Box 54509,
Los Angeles, CA 90054-0509

Ph: (714) 456-8068
Lanny Lai Hsieh, MD
101 The City Dr S,
Orange, CA 92868-3201

Ph: (714) 456-8068

Reviews and Comments


Hospitalist Doctors in Orange, CA

Dr. James W Roh, MD
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Practice Location: 2501 E Chapman Ave, Orange, CA 92869
Phone: 714-639-9401    Fax: 714-639-7095
Anwar Abdelhadi, M.D.
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Phone: 714-771-8000    
Amish Dangodara, MD
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Practice Location: Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 714-456-8978    
Dr. Ani Bussel, M.D.
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Dr. Andrea D. Avery, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Kang Hsu, M.D.
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1310 W Stewart Dr, Suite 410, Orange, CA 92868
Phone: 714-639-9401    Fax: 714-639-7095

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.