Active NPI 1023034857 Individual Practitioner Female Practitioner

Dr. Crystel D Knierim , MD

Orthopaedic Surgery • Bridgeton, MO

✓ Accepts Medicare Assignment

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. Crystel Knierim, MD is a registered Orthopaedic Surgery practitioner in Bridgeton, MO. With approximately 33 years of clinical practice since graduating from University Of Missouri, Columbia School Of Medicine in 1993, Dr. Knierim provides healthcare services at the registered practice location at 12349 DE PAUL DR STE 100.

Dr. Knierim is affiliated with Ssm Medical Group Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include aspiration and/or injection of fluid from large joint, established patient outpatient office visit, x-ray of knee, 1-2 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12349 De Paul Dr Ste 100

Bridgeton, MO 630442512

Telephone 3142917900

Associated Practice Facility / Clinic

🏢 Ssm Depaul Medical Group Facility NPI 1174962922

Medicare Profile & Education

Medical School

University Of Missouri, Columbia School Of Medicine

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Bridgeton, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +3.3 yrs vs City Avg

City Avg: 29.7 Yrs

State Avg: 25.7 Yrs

Regional Practice Density

9 Specialists

Practicing in Bridgeton, MO (550 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Knierim (33 Years) 33 Yrs

Bridgeton Specialty Average (29.7 Years) 29.7 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
20610 Aspiration and/or injection of fluid from large joint	158	64	$208.47	$50.60
99213 Established patient office or other outpatient visit, typically 15 minutes	117	77	$114.79	$61.85
99213 Established patient office or other outpatient visit, typically 15 minutes	55	39	$111.45	$62.48
73560 X-ray of knee, 1-2 views	52	32	$66.93	$8.21
20610 Aspiration and/or injection of fluid from large joint	47	28	$211.38	$47.22
73560 X-ray of knee, 1-2 views	29	16	$63.60	$7.74
20600 Aspiration and/or injection of fluid from small joint	29	15	$141.44	$33.47
20600 Aspiration and/or injection of fluid from small joint	21	11	$118.71	$32.46
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$300.00	$125.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$168.80	$78.76
73130 X-ray of hand, minimum of 3 views	15	11	$55.20	$8.08
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$56.43	$33.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	174	85	$201.08	$50.70
99213 Established patient office or other outpatient visit, typically 15 minutes	155	105	$102.51	$63.97
73560 X-ray of knee, 1-2 views	101	57	$88.93	$7.92
20600 Aspiration and/or injection of fluid from small joint	30	19	$140.56	$31.01
20610 Aspiration and/or injection of fluid from large joint	27	13	$188.72	$48.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$168.80	$80.92
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$300.00	$123.41
99213 Established patient office or other outpatient visit, typically 15 minutes	24	18	$100.40	$64.41
73130 X-ray of hand, minimum of 3 views	23	14	$60.08	$8.25
27447 Replacement of knee joint, both sides of knee	16	15	$5562.00	$1253.42
73630 X-ray of foot, minimum of 3 views	15	12	$61.06	$7.91
73610 X-ray of ankle, minimum of 3 views	14	11	$77.07	$8.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$189.20	$94.83
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$41.08	$32.53

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	189	82	$64.36	$54.31
99213 Established patient office or other outpatient visit, typically 15 minutes	163	91	$98.19	$64.47
73560 X-ray of knee, 1-2 views	52	30	$24.46	$8.29
99213 Established patient office or other outpatient visit, typically 15 minutes	34	29	$95.00	$66.04
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	33	33	$300.00	$132.08
20610 Aspiration and/or injection of fluid from large joint	29	20	$78.05	$49.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$115.00	$82.48
73560 X-ray of knee, 1-2 views	20	14	$24.00	$8.13
73030 X-ray of shoulder, minimum of 2 views	16	12	$30.00	$9.19
20605 Aspiration and/or injection of medium joint or joint capsule	12	12	$65.25	$35.96
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$60.00	$35.80
27447 Replacement of knee joint, both sides of knee	11	11	$4836.00	$1186.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	166	80	$65.00	$55.65
99213 Established patient office or other outpatient visit, typically 15 minutes	105	81	$94.00	$64.81
73560 X-ray of knee, 1-2 views	57	36	$24.00	$8.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	42	$126.66	$98.33
20610 Aspiration and/or injection of fluid from large joint	27	22	$68.00	$61.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$288.13	$134.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	20	$61.54	$34.74
20600 Aspiration and/or injection of fluid from small joint	23	13	$56.78	$30.57
73560 X-ray of knee, 1-2 views	23	13	$24.00	$8.28
73502 X-ray of hip, 2-3 views	22	14	$30.00	$11.05
99213 Established patient office or other outpatient visit, typically 15 minutes	20	19	$97.50	$62.97
73630 X-ray of foot, minimum of 3 views	17	11	$24.00	$8.29
73030 X-ray of shoulder, minimum of 2 views	17	13	$30.00	$9.32
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$60.24	$49.21
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	15	$125.71	$94.81
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$113.57	$83.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$168.08	$135.66
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	11	11	$58.00	$52.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	132	93	$71.76	$51.14
99213 Established patient office or other outpatient visit, typically 15 minutes	110	82	$79.87	$49.64
20610 Aspiration and/or injection of fluid from large joint	109	58	$63.88	$55.88
20610 Aspiration and/or injection of fluid from large joint	72	53	$71.48	$54.68
73560 X-ray of knee, 1-2 views	51	34	$24.00	$8.54
73560 X-ray of knee, 1-2 views	39	26	$24.00	$8.55
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$271.36	$138.14
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$57.50	$49.55
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$57.63	$50.89
73502 X-ray of hip, 2-3 views	22	12	$30.00	$11.37
73502 X-ray of hip, 2-3 views	16	13	$30.00	$11.37
20600 Aspiration and/or injection of fluid from small joint	16	11	$54.81	$26.80
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	12	11	$64.17	$53.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	229	133	$57.35	$51.14
20610 Aspiration and/or injection of fluid from large joint	165	87	$61.80	$54.15
99213 Established patient office or other outpatient visit, typically 15 minutes	96	64	$55.48	$51.38
73560 X-ray of knee, 1-2 views	68	46	$21.01	$8.90
20610 Aspiration and/or injection of fluid from large joint	67	39	$68.73	$54.53
99202 New patient office or other outpatient visit, typically 20 minutes	37	37	$56.65	$51.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	34	33	$204.21	$137.82
73560 X-ray of knee, 1-2 views	32	23	$20.25	$8.56
73502 X-ray of hip, 2-3 views	27	19	$25.74	$11.40
73630 X-ray of foot, minimum of 3 views	22	12	$20.91	$8.57
73030 X-ray of shoulder, minimum of 2 views	22	20	$20.91	$9.61
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$57.00	$51.02
20600 Aspiration and/or injection of fluid from small joint	16	11	$47.53	$36.80
73030 X-ray of shoulder, minimum of 2 views	14	12	$20.00	$9.61
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	12	12	$58.00	$52.95

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	277	155	$57.16	$50.32
20610 Aspiration and/or injection of fluid from large joint	181	86	$65.44	$55.97
99213 Established patient office or other outpatient visit, typically 15 minutes	116	72	$55.00	$51.01
73560 X-ray of knee, 1-2 views	100	59	$20.00	$8.43
20610 Aspiration and/or injection of fluid from large joint	72	41	$66.81	$56.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	43	43	$186.00	$136.04
73560 X-ray of knee, 1-2 views	29	18	$20.00	$8.43
73030 X-ray of shoulder, minimum of 2 views	27	16	$20.00	$9.48
73502 X-ray of hip, 2-3 views	24	18	$25.00	$11.26
99202 New patient office or other outpatient visit, typically 20 minutes	22	22	$54.00	$50.48
73502 X-ray of hip, 2-3 views	21	15	$25.00	$11.25
73630 X-ray of foot, minimum of 3 views	17	14	$20.00	$8.43
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	16	15	$58.00	$52.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	267	138	$57.76	$49.60
20610 Aspiration and/or injection of fluid from large joint	197	91	$62.60	$52.25
99213 Established patient office or other outpatient visit, typically 15 minutes	122	71	$55.38	$50.27
20610 Aspiration and/or injection of fluid from large joint	84	48	$64.86	$52.53
73560 X-ray of knee, 1-2 views	80	54	$20.00	$8.39
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	57	57	$186.00	$135.48
99202 New patient office or other outpatient visit, typically 20 minutes	44	44	$55.11	$50.10
73502 X-ray of hip, 2-3 views	36	27	$25.00	$11.19
73560 X-ray of knee, 1-2 views	32	22	$20.00	$8.39
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$56.45	$50.13
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	20	18	$58.00	$52.56
73502 X-ray of hip, 2-3 views	19	15	$25.00	$11.22
73630 X-ray of foot, minimum of 3 views	17	13	$20.00	$8.41
73030 X-ray of shoulder, minimum of 2 views	14	12	$20.00	$9.44
73030 X-ray of shoulder, minimum of 2 views	14	11	$20.00	$9.43
27244 Surgical treatment of broken thigh bone	14	13	$2440.00	$1161.12

Medical Specialties & State Licenses

CMS Verified: 2020-11-24

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MO 2001023413

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

205739204 (MO)

Hospital & Practice Group Affiliations

Ssm Medical Group Inc

12349 De Paul Dr, Bridgeton, MO 630442512

Phone: 3142917900

Secondary Practice Locations

12266 Depaul Dr, 110

Bridgeton, MO 630442514

Phone: 3142917900

Practice Associates & Co-Workers

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

17 Associated Practitioners

Laura Fischer

Physician Assistant

NPI 1023638038

Dr. Syed Abdul Khader , MD

Physical Medicine & Rehabilitation

NPI 1043262009

Doctor of Medicine (M.D.)

Dr. Gregory Nelson , MD

Orthopaedic Surgery

NPI 1114174265

Doctor of Medicine (M.D.)

Dr. Terry Weis , DO

Orthopaedic Surgery

NPI 1154347995

Doctor of Osteopathic Medicine (D.O.)

Dr. Randall Roush , MD

Orthopaedic Surgery

NPI 1255357091

Doctor of Medicine (M.D.)

Dr. Christian Oliver , MD

Pain Medicine - Interventional Pain Medicine

NPI 1316387327

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location November 24, 2020

Registered at 12349 DE PAUL DR STE 100, BRIDGETON, MO 630442512 (Tel: 3142917900)

📍

Updated Business Mailing Address November 24, 2020

Registered at PO BOX 955534, SAINT LOUIS, MO 631955534

✅

NPI Profile Active March 23, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location March 23, 2015

Registered at 12266 DEPAUL DR, 110, BRIDGETON, MO 630442514 (Tel: 3142917900)

📍

Updated Business Mailing Address March 23, 2015

Registered at 1551 WALL ST, SUITE 310, SAINT CHARLES, MO 633033539 (Tel: 6366692268)

👤

Provider Name / Credentials Updated March 23, 2015

Recorded as CRYSTEL KNIERIM, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 23, 2015

Orthopaedic Surgery (License #2001023413 in MO)

🟢

Initial NPI Registration & Enumeration July 14, 2006

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: 1023034857

Entity Type:

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

Enumeration Date: July 14, 2006

Last Update: November 24, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 955534

Saint Louis, MO 631955534

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.