Mark D Calayag, MD - Medicare in Orange, CA

Mark D Calayag, MD is a medicare enrolled "Neurological Surgery" physician in Orange, California. His current practice location is 200 S Manchester Ave, Suite 210, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 456-6966.

Mark D Calayag is licensed to practice in California (license number 137268) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1336373901.

Contact Information

Mark D Calayag, MD
200 S Manchester Ave, Suite 210,
Orange, CA 92868-3217
(714) 456-6966
Not Available

Map and Direction




Physician's Profile

Full NameMark D Calayag
GenderMale
Speciality
Experience Years
Location200 S Manchester Ave, Orange, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark D Calayag attended and graduated from in
  NPI Data:
  • NPI Number: 1336373901
  • Provider Enumeration Date: 05/11/2009
  • Last Update Date: 11/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for Mark D Calayag such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336373901NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 137268 (California)Primary

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. Mark D Calayag 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
Mark D Calayag, MD
200 S Manchester Ave, Suite 210,
Orange, CA 92868-3217

Ph: (714) 456-6966
Mark D Calayag, MD
200 S Manchester Ave, Suite 210,
Orange, CA 92868-3217

Ph: (714) 456-6966

Reviews and Comments


Neurological Surgery Doctors in Orange, CA

Michelle Paff, M.D.
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Medicare: Accepting Medicare Assignments
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Phone: 714-880-7812    
Dr. Maheen Qamar Khan, MD
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Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-6966    
Ichiro Yuki, MD
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Practice Location: 101 The City Dr S # I, Orange, CA 92868
Phone: 714-456-6966    
Aaron M. Yengo-kahn, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 1201 W La Veta Ave, Orange, CA 92868
Phone: 714-509-7070    
Dr. Michael Y Oh, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S Bldg 30, Orange, CA 92868
Phone: 714-456-6966    Fax: 714-456-8212
John A Kusske, MD
Neurological Surgery
Medicare: Not Enrolled in Medicare
Practice Location: Uci Medical Center, 101 The City Drive South, Orange, CA 92868
Phone: 714-456-8978    
Michael Kim, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 200 S Manchester Ave Ste 210, Orange, CA 92868
Phone: 714-456-7495    

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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