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

Mary Linpei Guan

Individual provider Hospitalist Physician · NPI 1346703089

Mary Linpei Guan practises Rheumatology in New York, New York. Graduated from University of Michigan Medical School in 2019, 7 years ago. Practices with New York University, a 5,884-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
7
Trained at
University of Michigan Medical School
Licensed in
NY
In the registry since
2019
Specialties on file
3
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Practice location Address checks out

550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5506
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 316220 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 316220 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 316220 (NY)

Record details

NPI number1346703089
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedApril 10, 2019
Last updated in NPPESMay 15, 2026
Certification dateMay 15, 2026

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 2019 (7 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at New York University

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 5884 clinicians in the practice; 12 are shown here.

Other providers in New York