Active NPI 1306874466 Individual Practitioner Male Practitioner

Dr. Jason J Mcallaster , DO

Surgery • Effingham, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jason Mcallaster, DO is a certified Surgery practicing in Effingham, IL. With approximately 22 years of clinical experience since completing medical education in 2004, Dr. Mcallaster delivers high-quality medical care to the local community at 300 N MAPLE ST.

Dr. Mcallaster maintains professional affiliations with Hshs Holy Family Hospital Inc, Marshall Clinic Effingham S C, St Anthonys Memorial Hospital Of The Hospital Sisters Of The Third and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, biopsy of large bowel using an endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 N Maple St

Effingham, IL 624012003

Telephone 2173424151

Fax 2173424190

Associated Practice Facility / Clinic

🏢 Marshall Clinic Effingham, S.c. Facility NPI 1952304412

Medicare Profile & Education

Medical School

Other

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Effingham, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs -7.8 yrs vs City Avg

City Avg: 29.8 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

6 Specialists

Practicing in Effingham, IL (1624 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

87.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mcallaster (22 Years) 22 Yrs

Effingham Specialty Average (29.8 Years) 29.8 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	77	32	$197.00	$63.60
45380 Biopsy of large bowel using an endoscope	57	57	$1935.67	$185.02
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	55	52	$2208.20	$246.49
11042 Removal of skin and tissue, 20.0 sq cm or less	52	23	$308.00	$58.36
99231 Follow-up hospital inpatient care per day, typically 15 minutes	52	22	$197.92	$49.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	52	52	$1714.31	$98.47
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	33	33	$1597.00	$180.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	31	$893.00	$171.25
36415 Insertion of needle into vein for collection of blood sample	28	27	$8.89	$8.55
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$334.00	$126.21
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	23	20	$2016.00	$303.64
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	16	16	$976.00	$116.26
45378 Diagnostic exam of large bowel using a flexible endoscope	13	13	$1611.77	$182.44
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$1597.00	$182.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	162	45	$192.44	$65.16
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	82	82	$2189.00	$246.77
99183 Management and supervision of oxygen chamber therapy per session	76	11	$464.95	$106.20
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	67	65	$1696.00	$88.41
11042 Removal of skin and tissue, 20.0 sq cm or less	64	30	$303.22	$58.08
11045 Removal of skin and tissue, each additional 20.0 sq cm or less	64	11	$117.72	$25.57
45380 Biopsy of large bowel using an endoscope	56	56	$1919.00	$168.18
99231 Follow-up hospital inpatient care per day, typically 15 minutes	45	22	$178.00	$49.48
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	39	37	$893.00	$171.63
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	38	38	$1597.00	$181.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$337.99	$131.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	27	$115.09	$35.16
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	16	13	$1991.00	$275.11
43249 Balloon dilation of esophagus using an endoscope	15	14	$2262.00	$124.94
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$1597.00	$149.35
49650 Repair of groin hernia using an endoscope	12	12	$3833.67	$475.29

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	174	44	$340.59	$66.67
45380 Biopsy of large bowel using an endoscope	82	82	$1858.54	$173.34
11042 Removal of skin and tissue, 20.0 sq cm or less	71	23	$586.78	$59.55
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	68	67	$2189.00	$255.30
99231 Follow-up hospital inpatient care per day, typically 15 minutes	54	28	$178.00	$38.50
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	45	44	$1666.82	$86.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$662.02	$135.39
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	33	$893.00	$195.94
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	27	24	$1991.00	$277.84
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	20	20	$1597.00	$184.72
45378 Diagnostic exam of large bowel using a flexible endoscope	14	14	$1597.00	$178.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	11	$489.46	$97.69
43249 Balloon dilation of esophagus using an endoscope	12	11	$2190.75	$146.94
49650 Repair of groin hernia using an endoscope	12	12	$3833.67	$462.68
12034 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm	12	12	$986.83	$101.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	120	38	$317.00	$67.61
11042 Removal of skin and tissue, 20.0 sq cm or less	66	18	$591.00	$60.88
45380 Biopsy of large bowel using an endoscope	62	62	$1826.00	$189.19
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	48	48	$1638.00	$86.57
99231 Follow-up hospital inpatient care per day, typically 15 minutes	46	24	$178.00	$38.17
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	44	43	$2189.00	$253.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	34	34	$893.00	$199.01
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	27	27	$1991.00	$307.59
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$615.00	$136.80
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	16	$199.00	$36.00
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	17	17	$864.00	$93.32
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	15	15	$1597.00	$187.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$461.00	$99.79
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$441.00	$83.93
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1597.00	$179.65

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	157	157	$409.00	$106.22
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	133	42	$197.00	$25.93
11042 Removal of skin and tissue, 20.0 sq cm or less	86	27	$591.00	$61.09
99213 Established patient office or other outpatient visit, typically 15 minutes	83	77	$294.00	$74.26
45380 Biopsy of large bowel using an endoscope	62	62	$1826.00	$167.75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	53	52	$2189.00	$262.16
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	43	42	$1638.00	$101.56
99231 Follow-up hospital inpatient care per day, typically 15 minutes	37	18	$178.00	$40.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$409.00	$74.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	31	28	$828.00	$205.50
99213 Established patient office or other outpatient visit, typically 15 minutes	24	19	$294.00	$50.78
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	23	19	$1991.00	$285.95
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$427.00	$107.81
47562 Removal of gallbladder using an endoscope	20	20	$3855.00	$697.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	14	$197.00	$44.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	203	45	$71.40	$25.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	151	151	$145.54	$106.41
45380 Biopsy of large bowel using an endoscope	93	92	$725.39	$186.43
99183 Management and supervision of oxygen chamber therapy per session	86	13	$269.21	$111.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	81	38	$46.60	$39.52
99213 Established patient office or other outpatient visit, typically 15 minutes	74	71	$120.09	$72.64
11042 Removal of skin and tissue, 20.0 sq cm or less	65	31	$207.83	$61.40
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	65	63	$573.51	$96.20
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	62	61	$719.07	$261.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	49	40	$63.15	$43.80
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	49	48	$271.23	$202.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$173.28	$74.73
99213 Established patient office or other outpatient visit, typically 15 minutes	26	22	$120.72	$51.14
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$815.94	$192.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$132.60	$106.59
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	15	15	$891.15	$296.42
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$451.89	$193.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	162	45	$47.03	$25.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	139	139	$117.56	$105.15
11042 Removal of skin and tissue, 20.0 sq cm or less	92	32	$124.95	$61.74
99183 Management and supervision of oxygen chamber therapy per session	88	16	$129.28	$110.96
45380 Biopsy of large bowel using an endoscope	83	83	$448.08	$172.55
99213 Established patient office or other outpatient visit, typically 15 minutes	62	59	$80.36	$69.55
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	60	59	$485.56	$257.41
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	60	60	$362.93	$103.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	45	42	$220.33	$200.93
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	36	$46.46	$42.20
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	26	$49.06	$38.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$115.47	$76.27
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	15	15	$338.96	$183.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	15	$123.56	$104.50
49650 Repair of groin hernia using an endoscope	14	14	$721.60	$548.63
11606 Removal of cancer skin growth of body, arms, or legs, more than 4.0 cm	12	12	$487.37	$297.29
47562 Removal of gallbladder using an endoscope	11	11	$741.97	$665.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	190	53	$47.80	$25.15
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	108	108	$117.01	$103.91
11042 Removal of skin and tissue, 20.0 sq cm or less	107	35	$127.36	$61.26
99231 Follow-up hospital inpatient care per day, typically 15 minutes	95	48	$47.66	$38.81
99213 Established patient office or other outpatient visit, typically 15 minutes	70	65	$79.20	$69.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	64	63	$240.98	$199.92
45380 Biopsy of large bowel using an endoscope	59	59	$430.09	$171.06
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	55	$383.13	$92.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	52	49	$46.20	$41.63
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	44	44	$494.18	$259.17
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$181.79	$128.43
36478 Laser destruction of incompetent vein of arm or leg using imaging guidance	23	15	$1252.57	$1128.26
45378 Diagnostic exam of large bowel using a flexible endoscope	16	16	$339.01	$181.83
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$77.96	$50.22
47562 Removal of gallbladder using an endoscope	12	12	$747.85	$673.58
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$115.95	$76.03
36415 Insertion of needle into vein for collection of blood sample	12	12	$3.00	$2.94

Medical Specialties & State Licenses

CMS Verified: 2026-04-22

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036123385

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Surgery

NUCC Taxonomy Code: 208600000X

State License MO 2006012811

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036123385 (IL)

Commercial Insurance / Payer ID Marshall Clinic Effingham, Sc Group Practice Npi

1952304412 (IL)

Hospital & Practice Group Affiliations

Hshs Holy Family Hospital Inc

200 Health Care Dr, Greenville, IL 622461154

Phone: 6186641230

Marshall Clinic Effingham S C

300 N Maple St Po Box, Effingham, IL 624012003

Springfield Clinic, Llp

801 W Temple Ave, Effingham, IL 624012168

Phone: 2175287541

St Anthonys Memorial Hospital Of The Hospital Sisters Of The Third

503 N Maple St, Effingham, IL 624012006

Phone: 2173422121

Springfield Clinic, Llp

775 Engineering Ave, Springfield, IL 627035909

Phone: 2175224300

Springfield Clinic, Llp

300 N Maple, Effingham, IL 624012003

Phone: 2175287541

Marshall Clinic Effingham S C

300 N Maple St Po Box, Effingham, IL 624012003

Practice Associates & Co-Workers

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

15 Associated Practitioners

Vickie Bushur , FNP-BC

Nurse Practitioner - Family

NPI 1184710402

Family Nurse Practitioner (Board Certified)

Dr. Jennifer Maneja , MD

Internal Medicine

NPI 1194775064

Doctor of Medicine (M.D.)

Kathleen Weber , FNP-BC

Nurse Practitioner - Family

NPI 1215376983

Family Nurse Practitioner (Board Certified)

Dr. Lana Schmidt , MD

Dermatology

NPI 1245260082

Doctor of Medicine (M.D.)

Dr. Lisa Kowalski , MD

Surgery

NPI 1295766772

Doctor of Medicine (M.D.)

Lauren Fifer , FNP

Nurse Practitioner - Family

NPI 1326982679

Family Nurse Practitioner

Career & Practice History Timeline

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

8 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 22, 2026

Surgery (License #036123385 in IL)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 21, 2020

Surgery (License #2006012811 in MO)

✅

NPI Profile Active June 13, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location June 13, 2011

Registered at 300 N MAPLE ST, EFFINGHAM, IL 624012003 (Tel: 2173424151)

📍

Updated Business Mailing Address June 13, 2011

Registered at 300 N MAPLE ST, P O BOX 1268, EFFINGHAM, IL 624012003 (Tel: 2173424151)

👤

Provider Name / Credentials Updated June 13, 2011

Recorded as JASON MCALLASTER, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 13, 2011

Surgery (License #2006012811 in MO)

🟢

Initial NPI Registration & Enumeration June 29, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1306874466

Entity Type:

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

Enumeration Date: June 29, 2006

Last Update: April 22, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

300 N Maple St, P O Box 1268

Effingham, IL 624012003

Phone: 2173424151

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.