Marietta Lim Uy, MD
Internal Medicine Physician · Scottsdale, AZ
Marietta Lim Uy, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1891781290, issued on Sep 21, 2005. Check the license (Arizona 24339, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marietta Lim Uy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 24339 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7400 E Osborn RD, Scottsdale, AZ 85251
- Phone
- (602) 225-6262
- Enumerated
- Sep 21, 2005
- Record last updated
- May 3, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 363276-03 AZ
- Medicare enrollment
- Enrolled (PECOS I20100706000369); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 7400 E Osborn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Abell, MSN, RN, FNP-CNurse Practitioner1679041099
- Marwah Ahmad, DOInternal Medicine Physician1053056440
- Aws Al-AbdullahEmergency Medicine Physician1770945545
- Stuart Alt, M.D.Personal Emergency Response Attendant1760445639
- Stephen Andersen, M.D.Personal Emergency Response Attendant1750343307
- Melissa Atkinson, AG-ACNPAcute Care Nurse Practitioner1457896482
Verify Marietta Lim Uy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 24339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average internal medicine physician in 2024
4,062 Medicare Part D claims for 324 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium281 claims
- Levothyroxine Sodium267 claims
- Amlodipine Besylate161 claims
- Eliquis134 claims
- Metoprolol Tartrate130 claims
- Tamsulosin Hcl115 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 6.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Pioneer Hospitalists, PLLCChandler, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marietta Lim Uy among 2,853 internal medicine physician records in Arizona
Marietta Lim Uy, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1987 · median 2003 among the 1,643 with a school on file
- Record last updated2016 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Patrick Pasulka, MDScottsdale, AZ 852511194799841
- Dana Paull, M.D.Scottsdale, AZ 852511114909751
- Cheryl Pendergrass, M.D.Scottsdale, AZ 852511780670133
Common questions
What is Marietta Lim Uy, MD's NPI number?
Marietta Lim Uy, MD's National Provider Identifier (NPI) is 1891781290, issued on Sep 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marietta Lim Uy, MD located?
The NPPES record lists a practice address at 7400 E Osborn RD, Scottsdale, AZ, 85251. Phone: (602) 225-6262. Providers update this record themselves, so call before visiting.
How can I verify Marietta Lim Uy, MD's license?
NPPES lists Arizona license number 24339, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marietta Lim Uy, MD prescribe under Medicare Part D?
In 2024, Marietta Lim Uy, MD had 4,062 Medicare Part D claims for 324 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Marietta Lim Uy, MD's MIPS final score?
The 2023 MIPS final score is 6.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.