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DR. MICHAEL Y OH MD
NPI 1275508525
Neurological Surgery in Orange, CA

Active since February 21, 2006PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S BLDG 30, ORANGE, CA 92868(714) 456-6966(714) 456-8212 Get Directions Write a Review

NPPES record last updated: March 21, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 21, 2023, Feb 21, 2020, Jun 13, 2017 and 1 more (4 updates tracked since 2017).

About Dr. Michael Y Oh Md NPPES

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

DR. MICHAEL Y OH MD (NPI 1275508525) is an individual neurological surgery provider in Orange, California, licensed in California (C156484) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1996).

NPPES Registry Identity

NPI1275508525
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. MICHAEL Y OHCredential: MD
Location Address101 THE CITY DR S BLDG 30Orange, CA 92868-3201
Mailing Address200 S Manchester Ave Ste 300Orange, CA 92868-3219 · (714) 456-2986
Phone(714) 456-6966
Fax(714) 456-8212
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1996
Enumeration DateFebruary 21, 2006
Last NPPES UpdateMarch 21, 20234 updates tracked since enumeration
NPPES CertifiedMarch 21, 2023
✔ NPI 1275508525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses✔ Licensed in CA · C156484✔ Licensed in PA · MD426457
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
101 THE CITY DR S BLDG 30, Orange, CA 92868
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Other Identifiers 3

Medicaid2605774OH
Medicaid101300739PA
Medicaid3810003619WV

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

Dr. Michael Y 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 ID9234173600
PECOS Enrollment IDI20190215000859
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 9

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.

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.
96 services69 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.
32 services32 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.
30 services27 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.
24 services24 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
22 services22 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.
21 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 9

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

DR. EKAMOL TANTISATTAMO MD
Internal Medicine (Nephrology)
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-7720
DR. IAN CHANG D.O.
Internal Medicine (Rheumatology)
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-7720
DR. ADITI THAKKAR MBBS
Internal Medicine (Endocrinology, Diabetes & Metabolism)
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-7720
DR. IRENE TSAI M.D.
Radiology (Diagnostic Radiology)
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-2235
UTTAM G REDDY M.D.
Internal Medicine (Nephrology)
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-7720
DR. ISMAIL KASIMOGLU MD, PHD, MBA
Internal Medicine (Endocrinology, Diabetes & Metabolism)
101 THE CITY DR S BLDG 30, PAVILION 1, BLDG.30
ORANGE, CA 92868
Orange County (714) 456-7720
JULIA HSIU-LING LIANG NP
Nurse Practitioner
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-7720
DR. AHMED MOHYELDIN MD
Neurological Surgery
101 THE CITY DR S BLDG 30
ORANGE, CA 92868
Orange County (714) 456-6966

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 Michael Oh's NPI number?

The NPI number for Michael Oh is 1275508525. It was assigned to this individual provider in the NPPES registry on February 21, 2006.

Where is Michael Oh located?

Michael Oh practices at 101 The City Dr S Bldg 30, Orange, CA 92868. The listed phone number is (714) 456-6966.

What is Michael Oh's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Michael Oh enrolled in Medicare?

Yes. Michael 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 Michael Oh was last updated on March 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.