YUMI OH MD
NPI 1801107644
Internal Medicine - Infectious Disease in Sun Lakes, AZ

Active since June 26, 2010PECOS EnrolledAccepts Medicare Assignment
10450 E RIGGS RD STE 111, SUN LAKES, AZ 85248(480) 247-9893(480) 247-9893 Get Directions Write a Review

NPPES record last updated: July 12, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 12, 2025, Mar 7, 2025, Jan 15, 2023 and 4 more (7 updates tracked since 2015).

About Yumi Oh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

YUMI OH MD (NPI 1801107644) is an individual infectious disease provider in Sun Lakes, Arizona, licensed in Arizona (52404) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1801107644
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameYUMI OHCredential: MD
Location Address10450 E RIGGS RD STE 111Sun Lakes, AZ 85248-7760
Mailing Address10450 E Riggs Rd Ste 111Sun Lakes, AZ 85248-7760 · (480) 478-9029 · Fax (480) 899-9328
Fax(480) 247-9893
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJune 26, 2010
Last NPPES UpdateJuly 12, 20257 updates tracked since enumeration
NPPES CertifiedJuly 12, 2025
NPI 1801107644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in AZ · 52404
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
10450 E RIGGS RD STE 111, Sun Lakes, AZ 85248

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Yumi Oh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810118783
PECOS Enrollment IDI20250327003449
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
170 services72 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
122 services56 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
69 services67 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85248 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Infectious Disease)
10450 E RIGGS RD STE 111
SUN LAKES, AZ 85248
Internal Medicine (Infectious Disease)
10450 E RIGGS RD STE 111
SUN LAKES, AZ 85248
Internal Medicine (Infectious Disease)
10450 E RIGGS RD STE 111
SUN LAKES, AZ 85248
Internal Medicine (Infectious Disease)
10450 E RIGGS RD STE 111
SUN LAKES, AZ 85248
Home Health
10450 E RIGGS RD STE 111
SUN LAKES, AZ 85248

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Yumi Oh's NPI number?

The NPI number for Yumi Oh is 1801107644. It was assigned to this individual provider in the NPPES registry on June 26, 2010.

Where is Yumi Oh located?

Yumi Oh practices at 10450 E Riggs Rd Ste 111, Sun Lakes, AZ 85248. The listed phone number is (480) 247-9893.

What is Yumi Oh's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Yumi Oh enrolled in Medicare?

Yes. Yumi Oh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Yumi Oh accept?

Health plans from Blue Cross Blue Shield of Arizona and UnitedHealthcare list Yumi Oh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Yumi Oh was last updated on July 12, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.