Active NPI 1669652699 Individual Practitioner Male Practitioner

Dr. Mark Paul Garrett , MD

Neurological Surgery • Chandler, AZ

✓ Accepts Medicare Assignment Telehealth Available

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Mark Garrett, MD is a registered Neurological Surgery practitioner in Chandler, AZ. With approximately 21 years of clinical practice since graduating from Emory University School Of Medicine in 2005, Dr. Garrett provides healthcare services at the registered practice location at 1875 W FRYE RD STE 300.

Dr. Garrett is affiliated with Neurosurgical Associates Ltd and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1875 W Frye Rd Ste 300

Chandler, AZ 852246184

Telephone 4809175600

Fax 6022944497

Associated Practice Facility / Clinic

🏢 Neurosurgical Associates, Ltd Facility NPI 1568859403

Medicare Profile & Education

Medical School

Emory University School Of Medicine

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Neurological Surgery in Chandler, AZ

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs -0.6 yrs vs City Avg

City Avg: 21.6 Yrs

State Avg: 23.2 Yrs

Regional Practice Density

8 Specialists

Practicing in Chandler, AZ (209 Statewide)

Telehealth Adoption Rate

37.5% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

78.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Garrett (21 Years) 21 Yrs

Chandler Specialty Average (21.6 Years) 21.6 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
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	87	85	$600.00	$124.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	74	$450.00	$122.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	74	74	$675.00	$160.23
99213 Established patient office or other outpatient visit, typically 15 minutes	72	62	$300.00	$87.24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	49	28	$300.00	$74.99
22614 Fusion of additional segment of spine	47	21	$1600.00	$367.22
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	44	26	$1300.00	$242.19
63048 Partial removal of spine bone with release of spinal cord and/or nerves	31	16	$875.00	$198.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$450.00	$107.10
22842 Placement of stabilizing device to back, 3-6 spine bone segments	24	24	$3125.00	$717.15
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	12	$175.00	$47.16
22633 Fusion of spine in lower back with partial removal of spine bone and disc	22	21	$7500.00	$1697.89
63052 Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back	22	21	$1142.00	$242.83
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	17	17	$5050.00	$902.37
61783 Computer-assisted spinal procedure	16	16	$975.00	$217.01
22600 Fusion of spine in neck by posterior approach	11	11	$5225.00	$962.31

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	96	86	$450.00	$122.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	84	84	$675.00	$161.21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	61	61	$600.00	$126.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	54	30	$300.00	$76.71
22614 Fusion of additional segment of spine	50	20	$1600.00	$374.65
99213 Established patient office or other outpatient visit, typically 15 minutes	47	43	$301.06	$87.40
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	46	27	$1300.00	$247.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$450.00	$108.50
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	34	34	$5050.00	$835.78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$850.00	$168.26
63048 Partial removal of spine bone with release of spinal cord and/or nerves	22	18	$875.00	$201.58
61783 Computer-assisted spinal procedure	20	20	$975.00	$221.87
22842 Placement of stabilizing device to back, 3-6 spine bone segments	18	18	$3125.00	$731.38
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	16	13	$425.00	$115.46
22633 Fusion of spine in lower back with partial removal of spine bone and disc	13	12	$7500.00	$1747.01
22840 Placement of stabilizing device to back of 1 spine bone in neck	11	11	$3125.00	$726.29

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	91	78	$450.00	$125.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	59	59	$450.00	$108.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$675.00	$163.40
99221 Initial hospital inpatient care per day, typically 30 minutes	50	49	$425.00	$96.29
22614 Fusion of additional segment of spine	48	19	$1600.00	$379.47
99213 Established patient office or other outpatient visit, typically 15 minutes	40	34	$302.50	$88.28
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	40	25	$1300.00	$251.02
63048 Partial removal of spine bone with release of spinal cord and/or nerves	37	24	$875.00	$204.70
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	16	$300.00	$69.28
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	33	33	$5050.00	$918.67
99231 Follow-up hospital inpatient care per day, typically 15 minutes	21	13	$175.00	$37.46
22842 Placement of stabilizing device to back, 3-6 spine bone segments	19	19	$3125.00	$741.06
63052 Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back	13	13	$1142.00	$251.78
22633 Fusion of spine in lower back with partial removal of spine bone and disc	13	13	$7500.00	$1812.24
61783 Computer-assisted spinal procedure	11	11	$975.00	$224.67

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	102	102	$450.00	$110.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	69	$450.00	$128.18
99221 Initial hospital inpatient care per day, typically 30 minutes	70	70	$425.00	$99.33
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	44	24	$1300.00	$256.57
22614 Fusion of additional segment of spine	43	16	$1600.00	$388.26
99213 Established patient office or other outpatient visit, typically 15 minutes	35	32	$318.57	$89.60
63048 Partial removal of spine bone with release of spinal cord and/or nerves	31	20	$875.00	$209.64
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	29	28	$5050.00	$966.64
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	16	$300.00	$70.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	20	13	$175.00	$37.82
22633 Fusion of spine in lower back with partial removal of spine bone and disc	18	16	$7500.00	$1836.79
22842 Placement of stabilizing device to back, 3-6 spine bone segments	17	16	$3125.00	$756.77
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$675.00	$166.07

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	110	110	$450.00	$106.57
99213 Established patient office or other outpatient visit, typically 15 minutes	73	62	$335.62	$74.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	57	$450.00	$108.68
22614 Fusion of additional segment of spine	50	22	$1600.00	$396.67
63048 Partial removal of spine bone with release of spinal cord and/or nerves	49	29	$875.00	$214.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	41	35	$300.00	$71.65
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	37	36	$5050.00	$864.00
99221 Initial hospital inpatient care per day, typically 30 minutes	32	32	$425.00	$100.02
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	29	23	$1300.00	$262.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	24	19	$175.00	$38.70
22842 Placement of stabilizing device to back, 3-6 spine bone segments	18	18	$3125.00	$771.95
99442 Telephone medical discussion with physician, 11-20 minutes	17	16	$115.00	$74.75
22633 Fusion of spine in lower back with partial removal of spine bone and disc	15	15	$7500.00	$1870.00
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	14	14	$425.00	$104.07
69990 Use of operating microscope	14	13	$900.00	$218.34

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	127	127	$450.00	$106.66
99213 Established patient office or other outpatient visit, typically 15 minutes	83	66	$300.00	$71.88
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	34	$300.00	$72.50
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	33	23	$1300.00	$261.66
63048 Partial removal of spine bone with release of spinal cord and/or nerves	32	20	$875.00	$213.81
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	30	29	$4910.83	$934.53
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	18	$196.05	$44.65
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$425.00	$100.87
22633 Fusion of spine in lower back with partial removal of spine bone and disc	12	12	$7500.00	$1867.96
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	12	12	$6562.50	$1599.17
22845 Placement of stabilizing device to front, 2-3 spine bone segments	11	11	$2975.00	$738.39
22842 Placement of stabilizing device to back, 3-6 spine bone segments	11	11	$2911.93	$714.43

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	154	154	$450.00	$105.39
99213 Established patient office or other outpatient visit, typically 15 minutes	128	100	$300.00	$71.29
99221 Initial hospital inpatient care per day, typically 30 minutes	48	48	$425.00	$97.58
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	40	31	$1260.63	$250.13
63048 Partial removal of spine bone with release of spinal cord and/or nerves	35	26	$875.00	$211.02
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	33	33	$5050.00	$927.13
22614 Fusion of additional segment of spine	31	16	$1600.00	$390.38
99231 Follow-up hospital inpatient care per day, typically 15 minutes	25	14	$175.00	$38.61
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	22	$175.00	$42.94
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	19	19	$7000.00	$1690.62
22845 Placement of stabilizing device to front, 2-3 spine bone segments	18	18	$3658.33	$728.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	14	$300.00	$71.62
22633 Fusion of spine in lower back with partial removal of spine bone and disc	16	16	$7500.00	$1841.00
22842 Placement of stabilizing device to back, 3-6 spine bone segments	14	14	$3125.00	$761.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$600.00	$122.53

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	144	144	$343.09	$100.21
99213 Established patient office or other outpatient visit, typically 15 minutes	98	84	$234.74	$68.21
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion	32	18	$1075.00	$248.47
99231 Follow-up hospital inpatient care per day, typically 15 minutes	32	21	$175.00	$35.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$581.48	$128.16
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	24	24	$826.04	$185.44
22614 Fusion of additional segment of spine	22	11	$1600.00	$373.54
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$425.00	$94.89
63048 Partial removal of spine bone with release of spinal cord and/or nerves	19	14	$1275.00	$193.64
63047 Partial removal of middle spine bone with release of spinal cord and/or nerves	19	19	$5116.47	$953.03
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$155.88	$40.92
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc	11	11	$7000.00	$1624.84

Medical Specialties & State Licenses

CMS Verified: 2023-09-26

Neurological Surgery Primary Specialty

NUCC Taxonomy Code: 207T00000X

State License AZ 42498

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

701962 (AZ)

Hospital & Practice Group Affiliations

Neurosurgical Associates Ltd

1875 W Frye Rd, Chandler, AZ 852246184

Phone: 4809175600

Practice Associates & Co-Workers

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

14 Associated Practitioners

Kristi Smith , FNP

Nurse Practitioner - Family

NPI 1013254127

Family Nurse Practitioner

Quincy Young , PA

Physician Assistant - Medical

NPI 1114618626

Physician Assistant

Chris Tran , ACNP, CRNFA

Nurse Practitioner - Acute Care

NPI 1144611054

Timothy Sharp , PA-C

Physician Assistant - Surgical

NPI 1306892997

Physician Assistant (Certified)

Karen Potocki , ACNP

Nurse Practitioner - Acute Care

NPI 1326326539

Dr. Tsinsue Chen , MD

Neurological Surgery

NPI 1396031217

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Business Mailing Address September 26, 2023

Registered at 2910 N 3RD AVE # 200, PHOENIX, AZ 850134434 (Tel: 4809175600)

👤

Provider Name / Credentials Updated October 18, 2018

Recorded as MARK GARRETT, M.D.

📍

Updated Practice Location September 21, 2018

Registered at 1875 W FRYE RD STE 300, CHANDLER, AZ 852246184 (Tel: 4809175600)

✅

NPI Profile Active July 19, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 19, 2016

Registered at 485 S DOBSON RD, SUITE 101, CHANDLER, AZ 852245602 (Tel: 4809175600)

📍

Updated Business Mailing Address July 19, 2016

Registered at 2910 N 3RD AVE, PHOENIX, AZ 850134434 (Tel: 4809175600)

👤

Provider Name / Credentials Updated July 19, 2016

Recorded as MARK GARRETT, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 19, 2016

Neurological Surgery (License #42498 in AZ)

🟢

Initial NPI Registration & Enumeration November 07, 2007

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: 1669652699

Entity Type:

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

Enumeration Date: November 07, 2007

Last Update: September 26, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2910 N 3rd Ave # 200

Phoenix, AZ 850134434

Phone: 4809175600

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.