Dr Alan Chang, MD - Medicare Endocrinology in East Setauket, NY

Dr Alan Chang, MD is a medicare enrolled "Internal Medicine - Endocrinology, Diabetes & Metabolism" physician in East Setauket, New York. He graduated from medical school in 2009 and has 15 years of diverse experience with area of expertise as Endocrinology. He is a member of the group practice Stony Brook Internists University Faculty Practice Corporation and his current practice location is 4 Technology Dr Ste 104, East Setauket, New York. You can reach out to his office (for appointments etc.) via phone at (631) 444-0580.

Dr Alan Chang is licensed to practice in New York (license number 301834) 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 1649408675.

Contact Information

Dr Alan Chang, MD
4 Technology Dr Ste 104,
East Setauket, NY 11733-4080
(631) 444-0580
(631) 444-0562



Physician's Profile

Full NameDr Alan Chang
GenderMale
SpecialityEndocrinology
Experience15 Years
Location4 Technology Dr Ste 104, East Setauket, 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 Alan Chang graduated from medical school in 2009
  NPI Data:
  • NPI Number: 1649408675
  • Provider Enumeration Date: 06/29/2009
  • Last Update Date: 11/04/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 5395965917
  • Enrollment ID: I20191204000663

Medical Identifiers

Medical identifiers for Dr Alan Chang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1649408675NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism MD452043 (Pennsylvania)Secondary
207RE0101XInternal Medicine - Endocrinology, Diabetes & Metabolism 301834 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Suny/stony Brook University HospitalStony brook, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Stony Brook Internists University Faculty Practice Corporation9133019821362

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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. Dr Alan Chang allows following entities to bill medicare on his behalf.
Entity NameStony Brook Internists University Faculty Practice Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356380471
PECOS PAC ID: 9133019821
Enrollment ID: O20040524000844

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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. Dr Alan Chang 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 Alan Chang, MD
Po Box 1559,
Stony Brook, NY 11790-0989

Ph: () -
Dr Alan Chang, MD
4 Technology Dr Ste 104,
East Setauket, NY 11733-4080

Ph: (631) 444-0580

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The Joint United Nations Programme on HIV/Aids (UNAids) target for 2020 is 90-90-90 which means 90 percent people with HIV would be diagnosed, 90 percent of those diagnosed would receive anti-HIV or anti-retroviral treatment and 90 percent of those treated with antiretroviral drugs would achieve suppression of their viral load so that they cannot transmit the infection to others.

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Internal Medicine Doctors in East Setauket, NY

Dr. William H Greene, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 205 N Belle Mead Ave, East Setauket, NY 11733
Phone: 631-444-1660    
Dr. Ellen Li, MD
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 3 Technology Dr, East Setauket, NY 11733
Phone: 631-444-5220    
Dr. Diane Klein-ritter, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 205 N Belle Mead Ave, East Setauket, NY 11733
Phone: 631-444-4630    
Ms. Larisa V Venezia, DO
Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 46 Route 25a, Suite 6, East Setauket, NY 11733
Phone: 631-689-1444    Fax: 631-689-1448
Nardeen Mickail, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 14 Technology Dr, Suite 10, East Setauket, NY 11733
Phone: 631-689-5400    Fax: 631-689-8247
David M Franko, MD
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 45 Research Way, Suite 008 & 108, East Setauket, NY 11733
Phone: 631-941-2704    Fax: 631-941-2009
Christopher M Cesa, M.D.
Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 45 Research Way, Suite 008 & 108, East Setauket, NY 11733
Phone: 631-941-2704    Fax: 631-941-2009

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