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

Marietta Lim Uy, MD

Individual provider Internal Medicine Physician · NPI 1891781290

Marietta Lim Uy, MD is an Internal Medicine in Scottsdale, Arizona. Qualified in 1987, 39 years ago. Practices with Pioneer Hospitalists, PLLC, a 49-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
39
Licensed in
AZ
In the registry since
2005
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

7400 E Osborn Rd
Scottsdale, AZ 85251-6432
Phone: (602) 225-6262
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 24339 (AZ)

Record details

NPI number1891781290
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2005
Last updated in NPPESMay 3, 2016

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Pioneer Hospitalists, Pllc — 49 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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