Mark D Calayag, MD - Medicare Neurosurgery in Orange, CA

Mark D Calayag, MD is a medicare enrolled "Neurological Surgery" physician in Orange, California. He went to Albany Medical College Of Union University and graduated in 2009 and has 15 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice Southern California Permanente Medical Group and 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



Physician's Profile

Full NameMark D Calayag
GenderMale
SpecialityNeurosurgery
Experience15 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 Albany Medical College Of Union University in 2009
  NPI Data:
  • NPI Number: 1336373901
  • Provider Enumeration Date: 05/11/2009
  • Last Update Date: 11/10/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3577853043
  • Enrollment ID: I20160613001143

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

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital Fontana/ontarioFontana, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291757951

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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. Mark D Calayag allows following entities to bill medicare on his behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770515280
PECOS PAC ID: 6002729175
Enrollment ID: O20031110000678

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Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659329746
PECOS PAC ID: 4082510250
Enrollment ID: O20031209000514

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Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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PAREXEL further expands presence in China with offices in Chengdu and Guangzhou

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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. 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

News Archive

Indonesia now has 155 cases of polio

According to the United Nations health agency, the number of cases in Indonesia's polio outbreak has now reached 155.

Representatives from 40 countries meet to discuss plan for antimicrobial resistance

Every year, 25,000 people die as a result of antimicrobial resistance in Europe. A global action plan against one of the greatest health threats of our time is the aim of a conference being held in Oslo on 13th-14th November.

Abortion legislation scheduled for House consideration this week

Some observers say Republicans may have been better off trying to stay focused on this week's series of votes on "coveted trade deals," but an abortion-related bill is scheduled for a vote on Thursday.

PAREXEL further expands presence in China with offices in Chengdu and Guangzhou

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› Verified 9 days ago


Neurological Surgery Doctors in Orange, CA

Michelle Paff, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    
Dr. Maheen Qamar Khan, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-6966    
Ichiro Yuki, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S # I, Orange, CA 92868
Phone: 714-456-6966    
Dr. Joseph Daniel Lockwood, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 200 S Manchester Ave Ste 210, Orange, CA 92868
Phone: 870-674-4555    
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    

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