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

Guoyu Ling, MD

Individual provider Internal Medicine Physician · NPI 1104112994

Guoyu Ling, MD is an Endocrinology in Saint Louis, Missouri. Qualified in 1994, 32 years ago. Practices with SSM Health Care Group, a 923-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
32
Licensed in
MO
In the registry since
2011
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

1225 S Grand Blvd Fl 2
Saint Louis, MO 63104-1016
Phone: (314) 977-6157
Fax: (314) 977-5177
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 2014021719 (MO)
Internal Medicine Physician Taxonomy 207R00000X · Licence 2014021719 (MO)

Record details

NPI number1104112994
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2011
Last updated in NPPESMay 23, 2025
Certification dateMay 23, 2025

Medicare enrollment

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

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1994 (32 years in practice)
Group practice Ssm Health Care Group — 923 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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