Active NPI 1295002715 Individual Practitioner Male Practitioner

Christopher John Differding , PA-C

Physician Assistant • Spring Valley, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Christopher Differding, PA-C is a certified Physician Assistant practicing in Spring Valley, IL. With approximately 15 years of clinical experience since completing medical education in 2011, Christopher Differding delivers high-quality medical care to the local community at 600 E 1ST ST.

Christopher Differding maintains professional affiliations with Pai Participant 27, Pc, T4 Medical Pllc, Illinois Urologic Health Surgeons Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, automated urinalysis test, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

600 E 1st St

Spring Valley, IL 613621512

Telephone 8156642617

Fax 8156645204

Associated Practice Facility / Clinic

🏢 St. Margaret's Health - Spring Valley Facility NPI 1861494072

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Spring Valley, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -9.5 yrs vs City Avg

City Avg: 24.5 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

2 Specialists

Practicing in Spring Valley, IL (4958 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

16.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Differding (15 Years) 15 Yrs

Spring Valley Specialty Average (24.5 Years) 24.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,988	1,182	$124.00	$104.34
81003 Automated urinalysis test	1,333	911	$2.99	$2.19
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	1,320	914	$17.01	$13.55
51798 Ultrasound measurement of bladder capacity after voiding	876	667	$10.99	$10.19
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	368	53	$212.73	$177.15
99213 Established patient office or other outpatient visit, typically 15 minutes	103	95	$88.68	$73.87
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	96	53	$31.70	$27.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	52	52	$165.72	$135.64
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	19	19	$21.58	$18.42
51701 Insertion of temporary bladder tube	17	14	$42.53	$36.20

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	1,476	949	$132.91	$105.86
51798 Ultrasound measurement of bladder capacity after voiding	1,001	752	$20.17	$10.03
81003 Automated urinalysis test	958	685	$2.34	$2.19
99213 Established patient office or other outpatient visit, typically 15 minutes	513	425	$95.68	$74.81
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	340	51	$202.12	$170.82
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	128	116	$54.75	$46.65
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	84	51	$30.99	$27.29
51705 Removal of skin suture with change of bladder tube	52	11	$94.66	$79.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$168.36	$139.10

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	1,541	947	$127.30	$106.53
81003 Automated urinalysis test	1,421	935	$3.23	$2.21
51798 Ultrasound measurement of bladder capacity after voiding	1,348	926	$18.86	$9.88
99213 Established patient office or other outpatient visit, typically 15 minutes	548	466	$89.41	$75.76
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	387	59	$210.94	$177.25
87798 Detection test for organism	143	11	$77.98	$34.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	130	120	$54.75	$46.75
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	116	60	$31.58	$26.88
51705 Removal of skin suture with change of bladder tube	66	14	$88.87	$80.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$165.13	$140.74
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	13	13	$23.85	$18.84
98966 Telephone medical discussion provided by nonphysician professional, 5-10 minutes	13	12	$36.00	$10.96
87640 Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique	12	12	$77.98	$34.74
87653 Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique	12	12	$77.98	$34.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81003 Automated urinalysis test	1,492	971	$3.25	$2.25
51798 Ultrasound measurement of bladder capacity after voiding	1,374	937	$18.81	$9.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,309	870	$125.45	$108.76
99213 Established patient office or other outpatient visit, typically 15 minutes	859	706	$88.56	$76.54
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	480	64	$202.12	$172.02
87798 Detection test for organism	182	14	$77.98	$35.09
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	172	67	$30.99	$26.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	150	146	$54.00	$46.62
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	99	88	$23.85	$18.59
98966 Telephone medical discussion provided by nonphysician professional, 5-10 minutes	73	59	$36.08	$11.75
51705 Removal of skin suture with change of bladder tube	62	14	$88.87	$81.42
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$182.68	$139.81
87640 Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique	14	14	$77.98	$35.09
87653 Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique	14	14	$77.98	$35.09

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	1,857	1,261	$126.54	$91.34
51798 Ultrasound measurement of bladder capacity after voiding	1,455	1,027	$18.72	$9.76
81003 Automated urinalysis test	1,282	958	$3.28	$2.23
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	503	65	$204.06	$201.31
99213 Established patient office or other outpatient visit, typically 15 minutes	303	262	$75.98	$62.62
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	149	130	$23.00	$18.90
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	148	68	$30.99	$25.90
98966 Telephone medical discussion provided by nonphysician professional, 5-10 minutes	143	135	$33.30	$12.12
87798 Detection test for organism	143	11	$77.98	$34.52
51705 Removal of skin suture with change of bladder tube	81	11	$88.87	$80.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	53	50	$43.40	$37.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$106.14	$90.49
87653 Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique	11	11	$77.98	$34.52
87640 Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique	11	11	$77.98	$34.52

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	2,375	1,562	$105.47	$90.08
51798 Ultrasound measurement of bladder capacity after voiding	1,917	1,318	$18.95	$11.98
81003 Automated urinalysis test	1,481	1,099	$3.40	$2.41
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	618	78	$208.44	$197.76
99213 Established patient office or other outpatient visit, typically 15 minutes	311	283	$72.66	$61.79
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	162	80	$31.41	$24.87
51705 Removal of skin suture with change of bladder tube	129	25	$88.87	$78.20
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	64	61	$19.37	$18.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	30	30	$106.14	$90.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	27	$42.28	$37.27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	22	22	$203.17	$172.31
51741 Electronic assessment of bladder emptying	13	13	$15.51	$12.12

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	2,397	1,551	$105.46	$88.31
51798 Ultrasound measurement of bladder capacity after voiding	1,719	1,222	$18.95	$14.69
81003 Automated urinalysis test	1,331	1,015	$3.39	$2.69
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	748	87	$202.12	$198.92
99213 Established patient office or other outpatient visit, typically 15 minutes	439	376	$71.91	$59.96
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	209	91	$30.99	$24.61
51705 Removal of skin suture with change of bladder tube	179	22	$88.87	$75.62
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	86	80	$19.37	$17.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	73	56	$42.68	$35.74
51741 Electronic assessment of bladder emptying	33	32	$26.39	$13.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$107.71	$87.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	18	18	$203.17	$170.78
51701 Insertion of temporary bladder tube	15	12	$46.51	$39.10

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	1,962	1,329	$105.46	$87.85
51798 Ultrasound measurement of bladder capacity after voiding	1,717	1,202	$18.98	$17.95
81003 Automated urinalysis test	1,203	944	$3.39	$2.99
J9217 Leuprolide acetate (for depot suspension), 7.5 mg	664	89	$215.55	$207.49
99213 Established patient office or other outpatient visit, typically 15 minutes	663	560	$72.09	$59.65
96402 Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle	179	94	$30.99	$25.92
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	169	154	$43.99	$35.03
51705 Removal of skin suture with change of bladder tube	159	23	$102.00	$72.64
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	90	80	$19.51	$16.23
51741 Electronic assessment of bladder emptying	80	74	$17.75	$13.01
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$111.01	$83.30
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	14	$203.17	$169.93
51701 Insertion of temporary bladder tube	15	14	$52.74	$38.94

Medical Specialties & State Licenses

CMS Verified: 2020-08-03

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License IL 085.004245

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

T4 Medical Pllc

505 College Ave, Ottawa, IL 613503858

Phone: 8154341130

T4 Medical Pllc

704 E Glover St, Ottawa, IL 613504131

Phone: 8154347144

Illinois Urologic Health Surgeons Sc

920 W St, Peru, IL 613542765

Phone: 8156645367

Pai Participant 27, Pc

704 E Glover St, Ottawa, IL 613504131

Phone: 8154314900

Illinois Urologic Health Surgeons Sc

1050 E Norris Dr, Ottawa, IL 613501608

Phone: 8156645367

Illinois Urologic Health Surgeons Sc

2937 N Il Route 178, Utica, IL 613739708

Phone: 8156645367

Practice Associates & Co-Workers

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

6 Associated Practitioners

Kayla Rokey , DNP-FNP

Nurse Practitioner

NPI 1033746755

DNPFNP

Dr. Christian Schwartz , DO

Urology

NPI 1124085758

Doctor of Osteopathic Medicine (D.O.)

Jorie Swingel , FNP

Nurse Practitioner - Family

NPI 1245184084

Family Nurse Practitioner

Julie Flanagan , ACNS, BC

Clinical Nurse Specialist - Adult Health

NPI 1700113958

Martina Kotrba , PA

Physician Assistant

NPI 1770452583

Physician Assistant

Dr. Steve Chung , MD

Urology

NPI 1851349435

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 29, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location November 29, 2011

Registered at 600 E 1ST ST, SPRING VALLEY, IL 613621512 (Tel: 8156642617)

📍

Updated Business Mailing Address November 29, 2011

Registered at 600 E 1ST ST, SPRING VALLEY, IL 613621512 (Tel: 8156642617)

👤

Provider Name / Credentials Updated November 29, 2011

Recorded as CHRISTOPHER DIFFERDING, PA-C

🎓

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

Physician Assistant (License #085.004245 in IL)

🟢

Initial NPI Registration & Enumeration November 29, 2011

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: 1295002715

Entity Type:

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

Enumeration Date: November 29, 2011

Last Update: August 03, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

600 E 1st St

Spring Valley, IL 613621512

Phone: 8156642617

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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