NPPES file of Aug 9, 2026

Yumi Oh, MD

Infectious Disease Physician · Sun Lakes, AZ

Yumi Oh, MD is an infectious disease physician with a practice address in Sun Lakes, Arizona, and NPI 1801107644, issued on Jun 26, 2010. Check the license (Arizona 52404, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801107644
Name
Yumi Oh
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
52404 AZ
Self-reported in NPPES; status is on the state search
Practice location
10450 E Riggs RD Ste 111, Sun Lakes, AZ 85248
Phone
(480) 247-9893
Enumerated
Jun 26, 2010
Record last updated
Jul 12, 2025
Fax
(480) 247-9893
Medicare enrollment
Enrolled (PECOS I20250327003449); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 10450 E Riggs RD Ste 111

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Parham Ayazi, MDInfectious Disease Physician1205151289

Verify Yumi Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 52404
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

72% fewer Medicare Part D claims than the average infectious disease physician in 2024

192 Medicare Part D claims for 93 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Yumi Oh192
  2. Specialty average689

Most prescribed

  1. Doxycycline Monohydrate31 claims
  2. Amoxicillin-Clavulanate Potass28 claims
  3. Cefdinir18 claims
  4. Levofloxacin12 claims
  5. Metronidazole12 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

  1. Alma Infectious Disease LLCSun Lakes, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yumi Oh among 176 infectious disease physician records in Arizona

Yumi Oh, MD is one of 176 infectious disease physician records with a practice address in Arizona. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.

  • NPI issued2010 · 64% of these records are older, 30% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2005 · median 2001 among the 122 with a school on file
  • Record last updated2025 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 infectious disease physician records list a practice address in Sun Lakes

They are 2 of the 74 NPPES records with a practice address in Sun Lakes, and 176 infectious disease physician records in Arizona.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Parham Ayazi, MDSun Lakes, AZ 852481205151289
  2. Glenn Schnepf, MDChandler, AZ 852491528020377
  3. Aniket Vadnerkar, M.D.Paradise Valley, AZ 852531154373793
  4. Nestor Varon, M.D.Scottsdale, AZ 852541952396400
  5. Amira Attya, MDScottsdale, AZ 852551790105054
  6. Harshdeep Babbar, MDScottsdale, AZ 852551447573191
  7. Kathryn Kimes, DOScottsdale, AZ 852551417335647
  8. Jacob Oommen, M.DScottsdale, AZ 852551720020431

Common questions

What is Yumi Oh, MD's NPI number?

Yumi Oh, MD's National Provider Identifier (NPI) is 1801107644, issued on Jun 26, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Yumi Oh, MD located?

The NPPES record lists a practice address at 10450 E Riggs RD Ste 111, Sun Lakes, AZ, 85248. Phone: (480) 247-9893. Providers update this record themselves, so call before visiting.

How can I verify Yumi Oh, MD's license?

NPPES lists Arizona license number 52404, 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 Yumi Oh, MD prescribe under Medicare Part D?

In 2024, Yumi Oh, MD had 192 Medicare Part D claims for 93 beneficiaries; the average among infectious disease physician prescribers was 689. 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.