Active NPI 1275508525 Individual Practitioner Male Practitioner

Dr. Michael Y Oh , MD

Neurological Surgery • Orange, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Michael Oh, MD is a certified Neurological Surgery practicing in Orange, CA. With approximately 30 years of clinical experience since graduating from University Of Southern California Keck School Of Medicine in 1996, Dr. Oh delivers high-quality medical care to the local community at 101 THE CITY DR S BLDG 30.

Dr. Oh is affiliated with Regents Of The University Of California and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, fusion of additional segment of spine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

101 The City Dr S Bldg 30

Orange, CA 928683201

Telephone 7144566966

Fax 7144568212

Associated Practice Facility / Clinic

🏢 University Of California, Irvine Medical Center Facility NPI 1326437278

Medicare Profile & Education

Medical School

University Of Southern California Keck School Of Medicine

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Orange, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

30 Yrs +8.8 yrs vs City Avg

City Avg: 21.2 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

28 Specialists

Practicing in Orange, CA (999 Statewide)

Telehealth Adoption Rate

50.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Oh (30 Years) 30 Yrs

Orange Specialty Average (21.2 Years) 21.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	96	69	$291.00	$66.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$739.00	$138.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	27	$430.00	$100.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$457.67	$103.78
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$199.82	$45.67
99213 Established patient office or other outpatient visit, typically 15 minutes	21	19	$334.81	$79.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	16	$170.00	$36.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$739.00	$162.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$410.00	$83.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	106	77	$291.00	$70.45
22614 Fusion of additional segment of spine	62	15	$1717.00	$381.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	37	$430.00	$104.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$439.30	$105.15
99213 Established patient office or other outpatient visit, typically 15 minutes	37	29	$328.30	$80.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$662.38	$136.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$394.09	$85.66
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	20	11	$1140.00	$258.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$634.16	$155.13
22842 Placement of stabilizing device to back, 3-6 spine bone segments	15	14	$3348.00	$754.01
61783 Computer-assisted spinal procedure	12	12	$1015.00	$239.64

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	86	65	$291.00	$71.03
22614 Fusion of additional segment of spine	49	12	$1693.87	$304.38
99213 Established patient office or other outpatient visit, typically 15 minutes	33	30	$322.36	$79.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	26	22	$430.00	$105.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$429.00	$105.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$595.00	$146.51
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$587.00	$144.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$360.00	$88.78
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$441.00	$106.07

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	74	62	$247.81	$73.29
99221 Initial hospital inpatient care per day, typically 30 minutes	42	41	$441.00	$108.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$605.50	$156.66
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$567.14	$147.64
99213 Established patient office or other outpatient visit, typically 15 minutes	22	22	$286.86	$79.66
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	21	13	$315.00	$77.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	14	$376.83	$108.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$344.81	$90.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$382.82	$100.18

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	59	51	$222.44	$56.11
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	38	33	$120.71	$28.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$333.00	$82.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$333.00	$82.83
99221 Initial hospital inpatient care per day, typically 30 minutes	20	19	$439.70	$111.07
99441 Telephone medical discussion with physician, 5-10 minutes	12	11	$59.25	$28.09
99213 Established patient office or other outpatient visit, typically 15 minutes	11	11	$260.82	$66.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$333.00	$81.44
99213 Established patient office or other outpatient visit, typically 15 minutes	32	30	$222.00	$54.85
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	21	$111.00	$27.36
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$439.00	$108.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$333.00	$81.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	123	$177.42	$68.47
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$256.20	$102.78
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	28	$260.69	$104.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	24	$106.33	$42.40
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	23	14	$675.00	$254.82
63048 Partial removal of spine bone with release of spinal cord and/or nerves	21	12	$3200.00	$216.35
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$352.63	$141.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$400.33	$149.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	48	43	$164.00	$67.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	20	18	$99.00	$40.38
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$243.00	$85.65

Medical Specialties & State Licenses

CMS Verified: 2023-03-21

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License CA C156484

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.

Neurological Surgery

NUCC Taxonomy Code: 207T00000X

State License PA MD426457

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

2605774 (OH)

Medicaid State Provider ID

101300739 (PA)

Medicaid State Provider ID

3810003619 (WV)

Hospital & Practice Group Affiliations

Regents Of The University Of California

101 The City Dr S, Orange, CA 928683201

Phone: 7144567004

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

16 Associated Practitioners

Dr. Nischal Acharya , MD

Student in an Organized Health Care Education/Training Program

NPI 1063214534

Doctor of Medicine (M.D.)

Joshua Kurtz

Student in an Organized Health Care Education/Training Program

NPI 1063266468

Dr. Maheen Khan , MD

Neurological Surgery

NPI 1144601386

Doctor of Medicine (M.D.)

Dr. Jeremy Guinn , MD

Student in an Organized Health Care Education/Training Program

NPI 1154904175

Doctor of Medicine (M.D.)

Dr. Ichiro Yuki , MD

Neurological Surgery

NPI 1205312642

Doctor of Medicine (M.D.)

Dr. Mark Calayag , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1336373901

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

15 Historical Events

📍

Updated Business Mailing Address March 21, 2023

Registered at 200 S MANCHESTER AVE STE 300, ORANGE, CA 928683219 (Tel: 7144562986)

📍

Updated Practice Location February 21, 2020

Registered at 101 THE CITY DR S BLDG 30, ORANGE, CA 928683201 (Tel: 7144566966)

✅

NPI Profile Active June 13, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location June 13, 2017

Registered at 380 W CHESTNUT ST STE 101, WASHINGTON, PA 153014658 (Tel: 7242281414)

📍

Updated Business Mailing Address June 13, 2017

Registered at 380 W CHESTNUT ST STE 101, WASHINGTON, PA 153014658 (Tel: 7242281414)

👤

Provider Name / Credentials Updated June 13, 2017

Recorded as MICHAEL OH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 13, 2017

Neurological Surgery (License #MD426457 in PA)

📍

Updated Practice Location January 16, 2017

Registered at 380 W CHESTNUT ST STE 101, WASHINGTON, PA 153014658 (Tel: 7242281414)

📍

Updated Business Mailing Address January 16, 2017

Registered at 380 W CHESTNUT ST STE 101, WASHINGTON, PA 153014658 (Tel: 7242281414)

✅

NPI Profile Active April 30, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location April 30, 2008

Registered at 380 W CHESTNUT ST, WASHINGTON, PA 153014657 (Tel: 7242281414)

📍

Updated Business Mailing Address April 30, 2008

Registered at 380 W CHESTNUT ST, WASHINGTON, PA 153014657 (Tel: 7242281414)

👤

Provider Name / Credentials Updated April 30, 2008

Recorded as MICHAEL OH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2008

Neurological Surgery (License #MD426457 in PA)

🟢

Initial NPI Registration & Enumeration February 21, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1275508525

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: February 21, 2006

Last Update: March 21, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

200 S Manchester Ave Ste 300

Orange, CA 928683219

Phone: 7144562986

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.