Larisa Zeltser, DO - Medicare Emergency Medicine in Santa Ana, CA

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Larisa Zeltser, DO is a medicare enrolled "Emergency Medicine" physician in Santa Ana, California. She graduated from medical school in 2003 and has 22 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Hmts Inc and her current practice location is 1001 N Tustin Ave, Emergency Dept., Santa Ana, California. You can reach out to her office (for appointments etc.) via phone at (714) 953-3500.

Larisa Zeltser is licensed to practice in California (license number 2)A8916) 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 1780622720.

Contact Information

Larisa Zeltser, DO
1001 N Tustin Ave, Emergency Dept.,
Santa Ana, CA 92705-3502
(714) 953-3500
Not Available

Map and Direction




Physician's Profile

Full NameLarisa Zeltser
GenderFemale
SpecialityEmergency Medicine
Experience22 Years
Location1001 N Tustin Ave, Santa Ana, 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:
  • Larisa Zeltser graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1780622720
  • Provider Enumeration Date: 06/03/2006
  • Last Update Date: 10/21/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 4486667474
  • Enrollment ID: I20060714000267

Medical Identifiers

Medical identifiers for Larisa Zeltser such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780622720NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 2)A8916 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Hoag Memorial Hospital PresbyterianNewport beach, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hmts Inc1951750413100

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. Larisa Zeltser allows following entities to bill medicare on her behalf.
Entity NameOrange County Urgent Care #3, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497001200
PECOS PAC ID: 2062667306
Enrollment ID: O20130312000517
Entity NameHoag Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942799523
PECOS PAC ID: 3274872064
Enrollment ID: O20190221001936
Entity NameHmts Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326828575
PECOS PAC ID: 1951750413
Enrollment ID: O20231208001304

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. Larisa Zeltser 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
Larisa Zeltser, DO
4551 Glencoe Ave, Suite 260,
Marina Del Rey, CA 90292-6385

Ph: (310) 301-2030		Larisa Zeltser, DO
1001 N Tustin Ave, Emergency Dept.,
Santa Ana, CA 92705-3502

Ph: (714) 953-3500

Reviews and Comments


Emergency Medicine Doctors in Santa Ana, CA

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Andrew J. So, PA
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Gagandeep Grewal, M.D.
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Dr. Eugene Kang, M.D.
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Practice Location: 15 Macarthur Pl Unit 2207, Santa Ana, CA 92707
Phone: 831-262-2394    
Stewart H. Brash, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 1001 N Tustin Ave, Emergency Department, Santa Ana, CA 92705
Phone: 714-953-3500    

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).

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