DR. YUMEI MARY CHANG M.D.
NPI 1134381908
Internal Medicine in New York, NY
About Dr. Yumei Mary Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YUMEI MARY CHANG M.D. (NPI 1134381908) is an individual internal medicine provider in New York, New York, licensed in Pennsylvania (MD463062) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of University Of California, Geffen School Of Medicine (2007).
NPPES Registry Identity
Specialties & Licenses
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Other Names 1
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Yumei Mary Chang M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10023 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Yumei Chang's NPI number?
The NPI number for Yumei Chang is 1134381908. It was assigned to this individual provider in the NPPES registry on July 1, 2008. The provider is also known as Dr. Mary Chang M.D..
Where is Yumei Chang located?
Yumei Chang practices at 250 W 64th St, New York, NY 10023. The listed phone number is (212) 769-6300.
What is Yumei Chang's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Yumei Chang enrolled in Medicare?
Yes. Yumei Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Yumei Chang was last updated on January 9, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.