Dr Xiaojun Guo, MD - Medicare Internal Medicine in Flushing, NY

Dr Xiaojun Guo, MD is a medicare enrolled "Internal Medicine" physician in Flushing, New York. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Internal Medicine. His current practice location is 13668 Roosevelt Ave Unit 5d, Flushing, New York. You can reach out to his office (for appointments etc.) via phone at (718) 285-9688.

Dr Xiaojun Guo is licensed to practice in New York (license number 250996) 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 1427269257.

Contact Information

Dr Xiaojun Guo, MD
13668 Roosevelt Ave Unit 5d,
Flushing, NY 11354-5510
(718) 285-9688
(718) 887-2861

Map and Direction




Physician's Profile

Full NameDr Xiaojun Guo
GenderMale
SpecialityInternal Medicine
Experience26 Years
Location13668 Roosevelt Ave Unit 5d, Flushing, New York
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:
  • Dr Xiaojun Guo graduated from medical school in 1998
  NPI Data:
  • NPI Number: 1427269257
  • Provider Enumeration Date: 05/24/2007
  • Last Update Date: 11/25/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 0042303471
  • Enrollment ID: I20090619000015

Medical Identifiers

Medical identifiers for Dr Xiaojun Guo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1427269257NPI-NPPES
03102238MedicaidNY
34935100MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine M-13700 (Idaho)Secondary
208M00000XHospitalist 50702 (Wisconsin)Secondary
208M00000XHospitalist 62117 (Minnesota)Secondary
208M00000XHospitalist 250996 (New York)Secondary
207R00000XInternal Medicine 250996 (New York)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. Dr Xiaojun Guo allows following entities to bill medicare on his behalf.
Entity NameGxj Medical Healthcare Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1780111260
PECOS PAC ID: 1850665456
Enrollment ID: O20170920002776

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. Dr Xiaojun Guo 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
Dr Xiaojun Guo, MD
43 Arleigh Rd,
Great Neck, NY 11021-1326

Ph: (718) 749-4570
Dr Xiaojun Guo, MD
13668 Roosevelt Ave Unit 5d,
Flushing, NY 11354-5510

Ph: (718) 285-9688

Reviews and Comments


Internal Medicine Doctors in Flushing, NY

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Evan Choi, M.D.
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Dr. Mustafa Salehmohamed, D.O.
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Practice Location: 5645 Main St, Wa-100, Flushing, NY 11355
Phone: 718-670-1405    

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.