Active NPI 1255577649 Individual Practitioner Male Practitioner

Thomas Mark

Physician Assistant • Elgin, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Thomas Mark is a certified Physician Assistant practicing in Elgin, IL. With approximately 18 years of clinical experience since completing medical education in 2008, Thomas Mark delivers high-quality medical care to the local community at 370 SUMMIT ST.

Thomas Mark is affiliated with Prime Healthcare Illinois Medical Group Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent 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

370 Summit St

Elgin, IL 601203843

Telephone 8476081344

Associated Practice Facility / Clinic

🏢 Greater Family Health Facility NPI 1720142557

Medicare Profile & Education

Medical School

Other

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Elgin, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs +9.1 yrs vs City Avg

City Avg: 8.9 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

90 Specialists

Practicing in Elgin, IL (4958 Statewide)

Telehealth Adoption Rate

6.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

54.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mark (18 Years) 18 Yrs

Elgin Specialty Average (8.9 Years) 8.9 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	300	207	$230.00	$111.15
99213 Established patient office or other outpatient visit, typically 15 minutes	171	144	$157.00	$79.55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	47	47	$251.00	$113.19
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$356.00	$146.91
82043 Urine microalbumin (protein) level	19	16	$71.00	$5.66
G0009 Administration of pneumococcal vaccine	18	18	$56.00	$33.45
82570 Creatinine level to test for kidney function or muscle injury	18	16	$31.00	$5.08
90662 Influenza vaccine split virus, preservative free	17	17	$119.82	$81.82
G0008 Administration of influenza virus vaccine	17	17	$56.00	$33.45
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	17	17	$43.00	$6.68
99495 Transitional care management services for problem of at least moderate complexity	15	15	$350.00	$180.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$235.00	$98.17

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	224	161	$230.00	$112.78
99213 Established patient office or other outpatient visit, typically 15 minutes	166	136	$157.00	$79.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	25	25	$251.00	$113.37
99495 Transitional care management services for problem of at least moderate complexity	12	12	$350.00	$179.86

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	202	137	$230.00	$114.45
99213 Established patient office or other outpatient visit, typically 15 minutes	141	110	$157.00	$80.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	19	19	$251.00	$116.48
G0008 Administration of influenza virus vaccine	15	15	$56.00	$28.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$235.00	$101.47
99495 Transitional care management services for problem of at least moderate complexity	13	11	$350.00	$184.40
90662 Influenza vaccine split virus, preservative free	12	12	$119.00	$68.27

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	187	131	$230.00	$116.55
99213 Established patient office or other outpatient visit, typically 15 minutes	171	132	$157.00	$82.62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	24	24	$251.00	$119.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$228.77	$101.99
G0008 Administration of influenza virus vaccine	18	18	$56.00	$16.21
90662 Influenza vaccine split virus, preservative free	17	17	$119.00	$65.26
96160 Administration and interpretation of patient-focused health risk assessment	11	11	$9.00	$2.52

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	226	171	$227.02	$99.46
99213 Established patient office or other outpatient visit, typically 15 minutes	145	120	$155.78	$68.66
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	27	27	$251.00	$106.20
81002 Urinalysis, manual test	23	23	$16.00	$3.46
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	20	20	$224.09	$98.80
99442 Telephone medical discussion with physician, 11-20 minutes	17	17	$89.65	$68.74
G0009 Administration of pneumococcal vaccine	14	14	$56.00	$16.15
99495 Transitional care management services for problem of at least moderate complexity	11	11	$350.00	$168.22
G0008 Administration of influenza virus vaccine	11	11	$56.00	$16.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	205	152	$165.70	$65.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	202	137	$250.33	$96.97
81002 Urinalysis, manual test	22	21	$15.59	$3.41
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$402.82	$148.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	233	193	$186.00	$65.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	125	$275.00	$94.31

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	188	127	$275.00	$95.79
99213 Established patient office or other outpatient visit, typically 15 minutes	88	67	$186.00	$65.19
36415 Insertion of needle into vein for collection of blood sample	76	59	$12.00	$2.94
81002 Urinalysis, manual test	21	20	$15.00	$3.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$280.00	$97.30

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085003372

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Prime Healthcare Illinois Medical Group Llc

201 N Hammes Ave, Joliet, IL 604356611

Phone: 2242736350

Practice Associates & Co-Workers

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

20 Associated Practitioners

Dr. Shama Shirazi , MD

Pediatrics

NPI 1093165128

Doctor of Medicine (M.D.)

Candice Michelle Aphaivong , FNP-BC

Nurse Practitioner - Family

NPI 1124503602

Family Nurse Practitioner (Board Certified)

Morgan White

Physician Assistant

NPI 1144730417

Diana Uselding , NP

Nurse Practitioner

NPI 1164415428

Nurse Practitioner

Neelam Patel , PA-C

Internal Medicine

NPI 1194314880

Physician Assistant (Certified)

Christine Bodnar-Larison , LCSW

Social Worker - Clinical

NPI 1215334123

Licensed Clinical Social Worker

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active January 06, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location January 06, 2009

Registered at 370 SUMMIT ST, ELGIN, IL 601203843 (Tel: 8476081344)

📍

Updated Business Mailing Address January 06, 2009

Registered at 172 LAKESIDE DR, APT. 1916, ST CHARLES, IL 601747940

👤

Provider Name / Credentials Updated January 06, 2009

Recorded as THOMAS MARK

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 06, 2009

Physician Assistant (License #085003372 in IL)

🟢

Initial NPI Registration & Enumeration January 06, 2009

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: 1255577649

Entity Type:

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

Enumeration Date: January 06, 2009

Last Update: January 06, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

172 Lakeside Dr, Apt. 1916

St Charles, IL 601747940

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.