Mark T Chen, DO - Medicare Anesthesiology in Upland, CA

Mark T Chen, DO is a medicare enrolled "Anesthesiology" physician in Upland, California. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Allied Anesthesia Medical Group Inc and his current practice location is 999 San Bernardino Rd, Upland, California. You can reach out to his office (for appointments etc.) via phone at (909) 920-4851.

Mark T Chen is licensed to practice in California (license number 20A5641) 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 1568417152.

Contact Information

Mark T Chen, DO
999 San Bernardino Rd,
Upland, CA 91786-4920
(909) 920-4851
Not Available

Map and Direction




Physician's Profile

Full NameMark T Chen
GenderMale
SpecialityAnesthesiology
Experience39 Years
Location999 San Bernardino Rd, Upland, 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 T Chen graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1568417152
  • Provider Enumeration Date: 05/23/2006
  • Last Update Date: 01/31/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9739197237
  • Enrollment ID: I20191015002454

Medical Identifiers

Medical identifiers for Mark T Chen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1568417152NPI-NPPES
1106921MedicaidWA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 20A5641 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
San Antonio Regional HospitalUpland, CAHospital
St Mary Medical CenterApple valley, CAHospital
Casa Colina HospitalPomona, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Allied Anesthesia Medical Group Inc6103728407158

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 T Chen allows following entities to bill medicare on his behalf.
Entity NameAllied Anesthesia Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346267267
PECOS PAC ID: 6103728407
Enrollment ID: O20040126001001

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 T Chen 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 T Chen, DO
Po Box 1628,
Orange, CA 92856-0628

Ph: (714) 560-1580
Mark T Chen, DO
999 San Bernardino Rd,
Upland, CA 91786-4920

Ph: (909) 920-4851

Reviews and Comments


Anesthesiology Doctors in Upland, CA

Pedro Lopez, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 909-985-2811    
Nalini Garg, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 1330 San Bernardino Rd, Upland, CA 91786
Phone: 909-985-2112    
Christine C Chow, MD
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 714-560-1580    Fax: 714-560-1585
Grace Lee, M.D.
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 909-985-2811    
Dr. Dale L Davis, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 909-920-4851    Fax: 909-949-3970
George Cheng, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 909-920-4851    Fax: 909-949-3970
Russell Dorado, M.D.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 999 San Bernardino Rd, Upland, CA 91786
Phone: 909-920-4851    Fax: 909-949-3970

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.