National Provider Identifier Database

ALAN CHANG, MD – NPI #1649408675
Endocrinology, Diabetes & Metabolism

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.


Contact Information

ALAN CHANG, MD
4 TECHNOLOGY DR STE 104
EAST SETAUKET, NY11733-4080
Phone: 631-444-0580
Fax: 631-444-0562
Website:
Specialty Taxonomy Code
* Endocrinology, Diabetes & Metabolism 207RE0101X

* Indicates primary specialty

NPI Profile & details for ALAN CHANG

NPI Number 1649408675
Credentials MD
Entity Individual
Enumeration date 06/29/2009
Last updated 11/04/2019 - About 7 years ago
Sole proprietor1 Yes
Identifiers
  • NY License #: 301834
  • PA License #: MD452043
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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