Michael Edward Hachadorian, MD - Medicare Orthopaedic Surgery in San Marcos, CA

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Michael Edward Hachadorian, MD is a medicare enrolled "Orthopaedic Surgery" physician in San Marcos, California. His current practice location is 277 Rancheros Dr Ste 101, San Marcos, California. You can reach out to his office (for appointments etc.) via phone at (760) 750-1902.

Michael Edward Hachadorian is licensed to practice in California (license number A177035) 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 1740844836.

Contact Information

Michael Edward Hachadorian, MD
277 Rancheros Dr Ste 101,
San Marcos, CA 92069-2976
(760) 750-1902
(760) 750-1906

Map and Direction




Physician's Profile

Full NameMichael Edward Hachadorian
GenderMale
SpecialityOrthopaedic Surgery
Location277 Rancheros Dr Ste 101, San Marcos, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1740844836
  • Provider Enumeration Date: 04/24/2019
  • Last Update Date: 08/11/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 3870038813
  • Enrollment ID: I20240714000077

Medical Identifiers

Medical identifiers for Michael Edward Hachadorian such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1740844836NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery A177035 (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. Michael Edward Hachadorian allows following entities to bill medicare on his behalf.
Entity NameThe Association Of University Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023041159
PECOS PAC ID: 0446162697
Enrollment ID: O20031105000244

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. Michael Edward Hachadorian 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
Michael Edward Hachadorian, MD
277 Rancheros Dr Ste 101,
San Marcos, CA 92069-2976

Ph: (858) 243-0280		Michael Edward Hachadorian, MD
277 Rancheros Dr Ste 101,
San Marcos, CA 92069-2976

Ph: (760) 750-1902

Reviews and Comments


Orthopaedic Surgery Doctors in San Marcos, CA

Dr. Bat Alexander Smith, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 Craven Rd, San Marcos, CA 92078
Phone: 866-459-2912    
Dr. Amy Kathryn Stauff Steinhoff, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 Craven Rd, San Marcos, CA 92078
Phone: 800-290-5000    
David L Schub, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 Craven Rd, Department Of Orthopaedics, San Marcos, CA 92078
Phone: 619-528-5000    
Dr. Andrew Christopher Ghatan, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 Craven Rd, Kaiser Permanente San Marcos, San Marcos, CA 92078
Phone: 760-510-5364    
Brooke Laura Ballard, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 277 Rancheros Dr Ste 101, San Marcos, CA 92069
Phone: 760-750-1902    Fax: 760-750-1906
Dr. Erin Elizabeth Farrelly, M.D., M.S.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 277 Rancheros Dr Ste 101, San Marcos, CA 92069
Phone: 760-750-1902    Fax: 760-750-1906

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.