Active NPI 1750538880 Individual Practitioner Male Practitioner

Dr. John Griffith Linn , MD

Surgery • Glenview, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Linn, MD is a certified Surgery practicing in Glenview, IL. With approximately 21 years of clinical experience since graduating from Medical College Of Wisconsin in 2005, Dr. Linn delivers high-quality medical care to the local community at 2050 PFINGSTEN RD STE 128.

Dr. Linn is affiliated with Endeavor Health Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, repair of groin hernia using an endoscope, established 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

2050 Pfingsten Rd Ste 128

Glenview, IL 60026

Telephone 8475701700

Fax 8477335293

Medicare Profile & Education

Medical School

Medical College Of Wisconsin

Graduation Year

2005

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Glenview, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs +5.5 yrs vs City Avg

City Avg: 15.5 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

5 Specialists

Practicing in Glenview, IL (1624 Statewide)

Telehealth Adoption Rate

20.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

67.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Linn (21 Years) 21 Yrs

Glenview Specialty Average (15.5 Years) 15.5 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	136	136	$129.00	$87.82
49650 Repair of groin hernia using an endoscope	122	121	$1920.03	$512.86
99213 Established patient office or other outpatient visit, typically 15 minutes	106	100	$76.18	$69.34
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	94	85	$43.33	$37.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	57	$153.00	$102.38
99202 New patient office or other outpatient visit, typically 20 minutes	41	41	$62.05	$50.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$246.00	$142.17
49594 Initial repair of entrapped hernia of abdomen, 3-10 cm in length	22	22	$1870.00	$828.69
15734 Creation of muscle graft to trunk	20	11	$4859.00	$1301.09
49659 Hernia repair procedure using an endoscope	20	20	$2683.30	$635.93
49596 Initial repair of entrapped hernia of abdomen, more than 10 cm in length	15	15	$2556.00	$1044.83
49651 Repair of recurrent groin hernia using an endoscope	14	14	$2110.71	$611.64
47562 Removal of gallbladder using an endoscope	14	14	$2528.00	$765.28

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	160	160	$130.56	$89.65
14302 Repair of wound by transferring skin, each additional 30.0 sq cm	123	21	$569.00	$232.56
49650 Repair of groin hernia using an endoscope	91	91	$2033.05	$539.98
99213 Established patient office or other outpatient visit, typically 15 minutes	90	86	$76.39	$70.17
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	86	77	$43.45	$38.13
99202 New patient office or other outpatient visit, typically 20 minutes	52	52	$61.40	$51.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	42	$161.93	$102.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$246.00	$143.21
47562 Removal of gallbladder using an endoscope	24	24	$2528.00	$768.88
49594 Initial repair of entrapped hernia of abdomen, 3-10 cm in length	24	24	$1870.00	$703.88
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	21	$93.00	$53.71
14301 Repair of wound by transferring skin, 30.1-60.0 sq cm	22	22	$2067.00	$731.30
49659 Hernia repair procedure using an endoscope	22	22	$2746.00	$634.90
15734 Creation of muscle graft to trunk	20	11	$4859.00	$1261.60
49596 Initial repair of entrapped hernia of abdomen, more than 10 cm in length	15	15	$2556.00	$904.54
49593 Initial repair of sliding hernia of abdomen, 3-10 cm in length	14	14	$1433.00	$415.61
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$293.00	$139.79

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	179	179	$133.49	$91.31
99213 Established patient office or other outpatient visit, typically 15 minutes	138	126	$65.64	$62.17
49650 Repair of groin hernia using an endoscope	93	93	$2085.59	$558.14
99202 New patient office or other outpatient visit, typically 20 minutes	56	56	$62.75	$53.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	31	$34.28	$33.30
15734 Creation of muscle graft to trunk	30	15	$4859.00	$1280.30
99231 Follow-up hospital inpatient care per day, typically 15 minutes	28	20	$93.00	$41.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	24	21	$129.25	$104.92
49568 Placement of mesh to repair incisional or abdominal hernia	22	22	$967.00	$310.34
47562 Removal of gallbladder using an endoscope	21	21	$2528.00	$771.53
99221 Initial hospital inpatient care per day, typically 30 minutes	20	20	$227.00	$109.10
49655 Repair of trapped incisional hernia using an endoscope	16	16	$3446.19	$1324.54
49651 Repair of recurrent groin hernia using an endoscope	13	13	$2273.08	$673.98
49654 Repair of incisional hernia using an endoscope	12	12	$2983.33	$974.81
49585 Repair of hernia at navel (5 years or older)	11	11	$1571.00	$501.64

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	158	158	$136.51	$90.77
99231 Follow-up hospital inpatient care per day, typically 15 minutes	107	73	$93.00	$40.95
49650 Repair of groin hernia using an endoscope	98	98	$2070.53	$578.71
99221 Initial hospital inpatient care per day, typically 30 minutes	91	88	$227.00	$110.03
99213 Established patient office or other outpatient visit, typically 15 minutes	85	79	$59.40	$58.81
99202 New patient office or other outpatient visit, typically 20 minutes	78	78	$69.58	$53.69
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	60	58	$129.12	$107.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	42	36	$34.67	$29.46
47562 Removal of gallbladder using an endoscope	33	33	$2528.00	$751.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$252.00	$148.74
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	14	14	$2567.00	$848.27
49651 Repair of recurrent groin hernia using an endoscope	14	14	$2392.14	$725.43
49659 Hernia repair procedure using an endoscope	13	13	$2649.54	$699.81
49585 Repair of hernia at navel (5 years or older)	12	12	$1571.00	$504.32
49655 Repair of trapped incisional hernia using an endoscope	11	11	$3307.00	$1219.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	135	135	$72.05	$55.89
99231 Follow-up hospital inpatient care per day, typically 15 minutes	98	76	$93.00	$42.62
99213 Established patient office or other outpatient visit, typically 15 minutes	92	83	$68.35	$55.74
49650 Repair of groin hernia using an endoscope	88	88	$2034.55	$590.06
99221 Initial hospital inpatient care per day, typically 30 minutes	72	71	$226.39	$112.03
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	35	$136.60	$86.09
47562 Removal of gallbladder using an endoscope	30	30	$2528.00	$777.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$142.93	$81.02
99201 New patient office or other outpatient visit, typically 10 minutes	21	21	$41.33	$29.36
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	17	$36.00	$28.69
49568 Placement of mesh to repair incisional or abdominal hernia	12	12	$967.00	$321.98
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$2567.00	$860.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99202 New patient office or other outpatient visit, typically 20 minutes	183	183	$66.30	$54.75
99231 Follow-up hospital inpatient care per day, typically 15 minutes	123	78	$93.00	$42.45
99213 Established patient office or other outpatient visit, typically 15 minutes	107	90	$60.21	$54.62
99221 Initial hospital inpatient care per day, typically 30 minutes	93	90	$226.00	$110.54
49650 Repair of groin hernia using an endoscope	78	78	$2065.85	$572.06
99201 New patient office or other outpatient visit, typically 10 minutes	47	47	$30.00	$29.39
47562 Removal of gallbladder using an endoscope	44	44	$2528.00	$776.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$138.34	$83.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	34	34	$123.00	$84.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	33	33	$29.03	$27.59
15734 Creation of muscle graft to trunk	29	15	$4859.00	$1320.91
49568 Placement of mesh to repair incisional or abdominal hernia	20	20	$967.00	$320.57
49659 Hernia repair procedure using an endoscope	16	16	$2897.75	$791.08
49651 Repair of recurrent groin hernia using an endoscope	13	13	$2273.08	$655.16
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$302.00	$147.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	142	86	$93.00	$41.88
99202 New patient office or other outpatient visit, typically 20 minutes	134	134	$67.46	$53.85
99213 Established patient office or other outpatient visit, typically 15 minutes	111	100	$58.00	$54.48
99221 Initial hospital inpatient care per day, typically 30 minutes	97	93	$226.00	$109.46
49650 Repair of groin hernia using an endoscope	59	59	$2023.05	$539.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	45	$31.34	$27.20
99201 New patient office or other outpatient visit, typically 10 minutes	40	40	$30.00	$29.04
15734 Creation of muscle graft to trunk	31	17	$4859.00	$1330.14
47562 Removal of gallbladder using an endoscope	29	29	$2528.00	$751.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$135.00	$82.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$123.00	$83.23
49568 Placement of mesh to repair incisional or abdominal hernia	18	18	$967.00	$315.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	168	107	$93.00	$41.97
99213 Established patient office or other outpatient visit, typically 15 minutes	104	88	$58.00	$54.21
99202 New patient office or other outpatient visit, typically 20 minutes	101	101	$67.08	$53.97
99221 Initial hospital inpatient care per day, typically 30 minutes	82	82	$226.00	$109.70
49650 Repair of groin hernia using an endoscope	51	51	$2281.88	$592.01
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	41	41	$122.27	$83.33
15734 Creation of muscle graft to trunk	30	16	$4859.00	$1084.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$135.00	$83.20
47562 Removal of gallbladder using an endoscope	28	28	$2528.00	$767.65
49568 Placement of mesh to repair incisional or abdominal hernia	26	26	$949.15	$317.12
99201 New patient office or other outpatient visit, typically 10 minutes	25	25	$30.00	$29.09
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	18	$302.00	$146.10
49560 Repair of incisional or abdominal hernia	17	16	$3673.00	$639.81
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$29.00	$27.31

Medical Specialties & State Licenses

CMS Verified: 2020-10-13

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 036127792

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.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

777 Park Ave W, Highland Park, IL 600352433

Endeavor Health Medical Group

1300 Oak Ave, Evanston, IL 602014205

Phone: 8478691300

Endeavor Health Medical Group

2050 Pfingsten Rd, Glenview, IL 600261324

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

1000 Central St, Evanston, IL 602011780

Endeavor Health Medical Group

2100 Pfingsten Rd, Glenview, IL 600261301

Secondary Practice Locations

4830 Knightsbridge Blvd, Suite J

Columbus, OH 432142300

Phone: 6142933230

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Adam Lam , MD

Surgery - Trauma Surgery

NPI 1003345588

Doctor of Medicine (M.D.)

Dr. Monika Krezalek , MD

Colon & Rectal Surgery

NPI 1013203660

Doctor of Medicine (M.D.)

Cassandra Snitowsky , APN-CNP

Nurse Practitioner

NPI 1013322031

APNCNP

Kristina Halley , PA-C

Physician Assistant - Surgical

NPI 1013358282

Physician Assistant (Certified)

Dr. Peter Hwang , DO

Surgery - Trauma Surgery

NPI 1023401460

Doctor of Osteopathic Medicine (D.O.)

Claire Okkema

Physician Assistant

NPI 1023635687

Career & Practice History Timeline

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

10 Historical Events

👤

Provider Name / Credentials Updated October 13, 2020

Recorded as JOHN LINN, MD

📍

Updated Practice Location November 21, 2018

Registered at 2050 PFINGSTEN RD STE 128, GLENVIEW, IL 60026 (Tel: 8475701700)

📍

Updated Business Mailing Address November 21, 2018

Registered at 2050 PFINGSTEN RD STE 128, GLENVIEW, IL 600261324 (Tel: 8475701700)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 21, 2018

Surgery (License #036127792 in IL)

✅

NPI Profile Active April 29, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location April 29, 2011

Registered at 4830 KNIGHTSBRIDGE BLVD, SUITE J, COLUMBUS, OH 432142300 (Tel: 6142933230)

📍

Updated Business Mailing Address April 29, 2011

Registered at 700 ACKERMAN RD, SUITE 350, COLUMBUS, OH 432021559 (Tel: 6149473700)

👤

Provider Name / Credentials Updated April 29, 2011

Recorded as JOHN LINN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 29, 2011

Surgery (License #35095162 in OH)

🟢

Initial NPI Registration & Enumeration August 20, 2008

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: 1750538880

Entity Type:

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

Enumeration Date: August 20, 2008

Last Update: October 13, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2050 Pfingsten Rd Ste 128

Glenview, IL 600261324

Phone: 8475701700

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.