Margaret C. Liu, MD
Internal Medicine Physician · Scottsdale, AZ
Margaret C. Liu, MD is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1134689284, issued on Mar 24, 2019. Check the license (Arizona 65954, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret C. Liu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 65954 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 3260 N Hayden RD Ste 112, Scottsdale, AZ 85251
- Phone
- (602) 264-9100
- Enumerated
- Mar 24, 2019
- Record last updated
- Jun 5, 2025
- Fax
- (602) 264-9101
- Medicare enrollment
- Enrolled (PECOS I20250521002236); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine - Phoenix, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 3260 N Hayden RD Ste 112
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Scudiere, M.D.Anatomic Pathology & Clinical Pathology Physician1639378326
Verify Margaret C. Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 65954Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
108 Medicare Part D claims for 40 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Pantoprazole Sodium24 claims
- Omeprazole-Sodium Bicarbonate14 claims
- Omeprazole13 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.
Bills Medicare through one group practice
- Arizona Digestive Health PCGlendale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret C. Liu among 2,853 internal medicine physician records in Arizona
Margaret C. Liu, 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 2019, is newer than 79% of them.
- NPI issued2019 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2019 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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
- Fariya Bukhari, MDScottsdale, AZ 852511477595296
- Gary Craine, MDScottsdale, AZ 852511952376261
- Kathryn Lee, MDScottsdale, AZ 852511235124876
- Tommy Linkous, M.D.Scottsdale, AZ 852511902889579
- Richard Moe, M.D.Scottsdale, AZ 852511790734952
- Patrick Pasulka, MDScottsdale, AZ 852511194799841
- Dana Paull, M.D.Scottsdale, AZ 852511114909751
- Cheryl Pendergrass, M.D.Scottsdale, AZ 852511780670133
Common questions
What is Margaret C. Liu, MD's NPI number?
Margaret C. Liu, MD's National Provider Identifier (NPI) is 1134689284, issued on Mar 24, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Margaret C. Liu, MD located?
The NPPES record lists a practice address at 3260 N Hayden RD Ste 112, Scottsdale, AZ, 85251. Phone: (602) 264-9100. Providers update this record themselves, so call before visiting.
How can I verify Margaret C. Liu, MD's license?
NPPES lists Arizona license number 65954, 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 Margaret C. Liu, MD prescribe under Medicare Part D?
In 2024, Margaret C. Liu, MD had 108 Medicare Part D claims for 40 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.