CHARLES KYUMIN OH M.D.
NPI 1780689042
Specialist in Tustin, CA

Active since June 14, 2005PECOS EnrolledAccepts Medicare Assignment
95.72/100
CMS Quality Rating
2552 WALNUT AVE, SUITE 130, TUSTIN, CA 92780(714) 508-1600(714) 665-8304 Get Directions Write a Review

NPPES record last updated: June 28, 2011. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Charles Kyumin Oh M.d. NPPES

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

CHARLES KYUMIN OH M.D. (NPI 1780689042) is an individual specialist in Tustin, California, licensed in California (A83003) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1996).

NPPES Registry Identity

NPI1780689042
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameCHARLES KYUMIN OHCredential: M.D.
Location Address2552 WALNUT AVE, SUITE 130Tustin, CA 92780-6935
Mailing Address2552 Walnut Ave, Suite 130Tustin, CA 92780-6935 · (714) 508-1600 · Fax (714) 665-8304
Fax(714) 665-8304
Sole ProprietorYes
Medical School CMSWayne State University School Of MedicineGraduated 1996
Enumeration DateJune 14, 2005
Last NPPES UpdateJune 28, 2011
NPI 1780689042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in CA · A83003
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
2552 WALNUT AVE, Tustin, CA 92780

Other Identifiers 2

Medicare ID-Type UnspecifiedA83003CA
Medicare UPINH58685CA

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

Charles Kyumin Oh M.d. 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 ID8022052216
PECOS Enrollment IDI20050620000083
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 21

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.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
528 services12 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
499 services346 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
497 services339 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
274 services189 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
180 services180 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
165 services165 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.72/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality81.44
Improvement Activities40

Reported Quality Measures

Acute Otitis Externa (AOE): Systemic Antimicrobial Therapy - Avoidance of Inappropriate Use
100%335 patients
Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)
Lower rates are better for this measure.
5%126 patients4/55-star benchmark: 100%
Age-Related Hearing Loss: Comprehensive Audiometric Evaluation
47%414 patients
Allergic Rhinitis: Intranasal Corticosteroids or Oral Antihistamines
56%514 patients3/55-star benchmark: 89%
Documentation of Current Medications in the Medical Record
60%4,410 patients1/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
42%2,284 patients1/55-star benchmark: 100%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
80%4,016 patients4/55-star benchmark: 100%
Tobacco Use and Help with Quitting Among Adolescents
82%79 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
6 suppliers37 claims37 services$33.29 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
3 suppliers15 claims15 services$73.00 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers28 claims48 services$28.10 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
4 suppliers12 claims72 services$14.71 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
6 suppliers18 claims85 services$13.40 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
6 suppliers29 claims29 services$45.14 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

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

Dermatology
2552 WALNUT AVE, SUITE 120
TUSTIN, CA 92780
Otolaryngology
2552 WALNUT AVE, STE 130
TUSTIN, CA 92780
Physician Assistant (Medical)
2552 WALNUT AVE, #120
TUSTIN, CA 92780
Dermatology
2552 WALNUT AVE, SUITE 120
TUSTIN, CA 92780

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 Charles Oh's NPI number?

The NPI number for Charles Oh is 1780689042. It was assigned to this individual provider in the NPPES registry on June 14, 2005.

Where is Charles Oh located?

Charles Oh practices at 2552 Walnut Ave Suite 130, Tustin, CA 92780. The listed phone number is (714) 508-1600.

What is Charles Oh's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Charles Oh enrolled in Medicare?

Yes. Charles 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.

When was this NPI record last updated?

The NPPES record for Charles Oh was last updated on June 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.