Active NPI 1316041908 Individual Practitioner Male Practitioner

Dr. Mark E Linskey , MD

Neurological Surgery • Orange, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Mark Linskey, MD is a certified Neurological Surgery practicing in Orange, CA. With approximately 40 years of clinical experience since graduating from Columbia University College Of Physicians And Surgeons in 1986, Dr. Linskey delivers high-quality medical care to the local community at 101 THE CITY DR S BLDG 23.

Dr. Linskey is affiliated with Regents Of The University Of California and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, computer-assisted radiosurgery application of headframe. 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 23

Orange, CA 928683201

Telephone 7144568000

Associated Practice Facility / Clinic

🏢 Regents Of The University Of California Facility NPI 1174758650

Medicare Profile & Education

Medical School

Columbia University College Of Physicians And Surgeons

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Orange, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +18.8 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

In-Person Office Visits Only

Medicare Pricing Discount

76.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Linskey (40 Years) 40 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	82	71	$291.00	$68.50
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	54	$430.00	$101.06
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$797.00	$188.21
61800 Computer-assisted radiosurgery application of headframe	23	18	$680.00	$146.61
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	21	21	$190.00	$12.34
61791 Computer-assisted creation of growth of brainstem	13	13	$4853.00	$1163.57
61798 Computer-assisted radiosurgery of complex growth of brain, first growth	13	13	$6085.00	$1412.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	132	98	$430.00	$104.04
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	47	47	$797.00	$193.84
61800 Computer-assisted radiosurgery application of headframe	19	16	$680.00	$156.99
61798 Computer-assisted radiosurgery of complex growth of brain, first growth	16	16	$6085.00	$1460.80
69990 Use of operating microscope	14	14	$950.00	$223.47
61458 Excision of skull base for exploration or release of cranial nerves	11	11	$9557.86	$2111.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	127	90	$430.00	$105.16
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	28	28	$797.00	$195.33
61800 Computer-assisted radiosurgery application of headframe	24	21	$680.00	$158.36
61798 Computer-assisted radiosurgery of complex growth of brain, first growth	15	15	$6085.00	$1439.33
69990 Use of operating microscope	13	13	$950.00	$225.26

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	59	$382.55	$107.36
99213 Established patient office or other outpatient visit, typically 15 minutes	48	45	$247.08	$72.49
99202 New patient office or other outpatient visit, typically 20 minutes	36	36	$220.00	$53.65
61800 Computer-assisted radiosurgery application of headframe	19	16	$680.00	$163.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	80	$222.37	$55.50
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	51	51	$734.00	$182.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	36	$342.44	$86.43
69990 Use of operating microscope	18	17	$950.00	$232.03
61800 Computer-assisted radiosurgery application of headframe	16	15	$680.00	$164.05
61796 Computer-assisted radiosurgery of simple growth of brain, first growth	15	11	$4492.00	$1101.83
61458 Excision of skull base for exploration or release of cranial nerves	12	12	$9718.50	$2437.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	113	92	$222.00	$54.40
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	51	51	$735.80	$180.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	42	$342.00	$83.42
69990 Use of operating microscope	16	16	$950.00	$229.72
61800 Computer-assisted radiosurgery application of headframe	15	14	$680.00	$159.29
61798 Computer-assisted radiosurgery of complex growth of brain, first growth	13	12	$6085.00	$1401.39
61458 Excision of skull base for exploration or release of cranial nerves	13	13	$9446.65	$2306.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	170	122	$222.00	$54.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	38	$342.00	$82.92
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$741.08	$179.71
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	15	$653.75	$191.39
61800 Computer-assisted radiosurgery application of headframe	12	11	$680.00	$162.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	104	$205.88	$54.63
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	41	41	$628.63	$178.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	34	$289.95	$84.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	18	$241.96	$72.41
61800 Computer-assisted radiosurgery application of headframe	23	20	$612.43	$167.21
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	12	$643.54	$200.54
69990 Use of operating microscope	13	13	$902.69	$233.73

Medical Specialties & State Licenses

CMS Verified: 2023-03-07

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License CA 000000G74205

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.

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

40 Associated Practitioners

Dr. Arash Mahajerin , MD

Pediatrics - Pediatric Hematology-Oncology

NPI 1033315247

Doctor of Medicine (M.D.)

Dr. Joseph Erwin Salunday , DNP, FNP-C

Nurse Practitioner - Family

NPI 1043030869

Doctor of Nursing Practice, Family Nurse Practitioner (Certified)

Dr. Misako Nagasaka , MD

Internal Medicine - Hematology & Oncology

NPI 1063707958

Doctor of Medicine (M.D.)

Julie Smith , NP

Internal Medicine - Hematology & Oncology

NPI 1083137947

Nurse Practitioner

Dr. Virginia Fontenot , MD

Obstetrics & Gynecology

NPI 1124681812

Doctor of Medicine (M.D.)

Dr. Arash Rezazadeh Kalebasty , MD

Internal Medicine - Hematology & Oncology

NPI 1205974755

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location March 07, 2023

Registered at 101 THE CITY DR S BLDG 23, ORANGE, CA 928683201 (Tel: 7144568000)

📍

Updated Business Mailing Address March 07, 2023

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

✅

NPI Profile Active February 14, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location February 14, 2008

Registered at UCI MEDICAL CENTER, 101 THE CITY DRIVE SOUTH, ORANGE, CA 92868 (Tel: 7144568978)

📍

Updated Business Mailing Address February 14, 2008

Registered at NEUROSURGICAL ASSOCIATE OF IRV, PO BOX 54840, LOS ANGELES, CA 900540840 (Tel: 7144566369)

👤

Provider Name / Credentials Updated February 14, 2008

Recorded as MARK LINSKEY, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 14, 2008

Neurological Surgery (License #000000G74205 in CA)

🟢

Initial NPI Registration & Enumeration September 12, 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: 1316041908

Entity Type:

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

Enumeration Date: September 12, 2006

Last Update: March 07, 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.