Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Timothy Tianma Xu, MD

Individual provider Ophthalmology Physician · NPI 1699351635

Dr. Timothy Tianma Xu, MD is an Ophthalmology in Philadelphia, Pennsylvania. Graduated from Mayo Medical School in 2021, 5 years ago. Practices with Mayo Clinic, a 4,796-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota and Pennsylvania.

Years since qualifying
5
Trained at
Mayo Medical School
Licensed in
MN, PA
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

840 Walnut St Ste 1020
Philadelphia, PA 19107-5109
Phone: (800) 331-6634
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 200 1st St Sw, Rochester, MN 55905-0002 — (507) 284-2511

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence MD488897 (PA)
Ophthalmology Physician Taxonomy 207W00000X · Licence 31532 (MN)

Record details

NPI number1699351635
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 21, 2021
Last updated in NPPESJune 23, 2025
Certification dateJune 23, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOPHTHALMOLOGY
Medical schoolMAYO MEDICAL SCHOOL
Graduated 2021 (5 years in practice)
Group practice Mayo Clinic — 4796 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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