Active NPI 1104870096 Individual Practitioner Male Practitioner

Dr. Robert I Markenson , MD

Orthopaedic Surgery • Saint Louis, MO

Professional Overview & Biography Verified Profile Summary

Dr. Robert Markenson, MD is a registered healthcare professional specializing in Orthopaedic Surgery in Saint Louis, MO. Practice services are available at 12152 TESSON FERRY RD under active NPI credentials.

Frequently performed procedures and clinical services include hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg, low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml, aspiration and/or injection of fluid from large joint. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

12152 Tesson Ferry Rd

Saint Louis, MO 631281726

Telephone 3148495414

Fax 3148492042

Associated Practice Facility / Clinic

🏢 St Louis Foot And Ankle Llc Facility NPI 1437120060

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Saint Louis, MO

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 20.1 Yrs

State Avg: 25.7 Yrs

Regional Practice Density

172 Specialists

Practicing in Saint Louis, MO (550 Statewide)

Telehealth Adoption Rate

3.5% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	2,450	20	$25.50	$5.65
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	184	41	$25.00	$0.36
20610 Aspiration and/or injection of fluid from large joint	152	35	$197.00	$65.66
77002 Fluoroscopic guidance for needle placement	150	34	$316.00	$111.84
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	112	22	$6.00	$0.93
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	52	14	$237.00	$71.97
27369 Injection of contrast for imaging of knee joint	32	25	$451.00	$177.27
73580 Review by radiologist of knee joint image	32	25	$398.00	$107.63
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$142.00	$55.64
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$234.00	$89.83
73560 X-ray of knee, 1-2 views	17	12	$102.00	$33.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$344.00	$111.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	12,925	99	$25.50	$7.01
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	883	171	$25.00	$0.44
20610 Aspiration and/or injection of fluid from large joint	685	141	$197.00	$67.58
77002 Fluoroscopic guidance for needle placement	683	139	$316.00	$117.98
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	592	108	$6.00	$1.08
73580 Review by radiologist of knee joint image	197	141	$398.00	$129.88
27369 Injection of contrast for imaging of knee joint	195	141	$451.00	$190.72
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	166	43	$237.00	$74.69
73560 X-ray of knee, 1-2 views	123	93	$102.00	$34.92
J1885 Injection, ketorolac tromethamine, per 15 mg	108	49	$2.00	$0.55
99213 Established patient office or other outpatient visit, typically 15 minutes	94	73	$234.00	$92.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$344.00	$115.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	48	48	$142.00	$57.64
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	41	40	$71.00	$23.26
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$241.00	$73.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	5,575	43	$50.56	$16.49
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	438	75	$25.00	$0.33
20610 Aspiration and/or injection of fluid from large joint	352	64	$197.00	$69.43
77002 Fluoroscopic guidance for needle placement	350	63	$316.00	$121.26
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	200	36	$6.00	$1.13
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	121	22	$239.68	$75.43
27369 Injection of contrast for imaging of knee joint	89	62	$451.00	$185.33
73580 Review by radiologist of knee joint image	89	62	$398.00	$155.87
J1885 Injection, ketorolac tromethamine, per 15 mg	86	34	$2.00	$0.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	61	47	$142.00	$59.09
73560 X-ray of knee, 1-2 views	46	34	$102.00	$35.59
99213 Established patient office or other outpatient visit, typically 15 minutes	36	27	$234.00	$94.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$344.00	$118.05
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$241.00	$75.93

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	8,675	90	$48.00	$16.92
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	457	113	$25.00	$0.33
20610 Aspiration and/or injection of fluid from large joint	358	92	$197.00	$69.04
77002 Fluoroscopic guidance for needle placement	351	92	$316.00	$120.58
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	212	42	$6.00	$1.28
J1885 Injection, ketorolac tromethamine, per 15 mg	118	43	$2.00	$0.47
27369 Injection of contrast for imaging of knee joint	104	77	$451.00	$181.62
73580 Review by radiologist of knee joint image	103	75	$398.00	$151.27
73560 X-ray of knee, 1-2 views	43	29	$102.00	$35.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	32	$142.00	$58.41
99213 Established patient office or other outpatient visit, typically 15 minutes	31	27	$234.00	$95.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	26	26	$344.00	$118.31
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$241.00	$76.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$522.00	$176.90
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	15	15	$71.00	$23.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	8,725	106	$48.00	$16.73
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	440	124	$25.00	$0.32
77002 Fluoroscopic guidance for needle placement	353	107	$316.00	$112.06
20610 Aspiration and/or injection of fluid from large joint	353	107	$197.00	$67.81
J1885 Injection, ketorolac tromethamine, per 15 mg	140	57	$2.00	$0.54
73580 Review by radiologist of knee joint image	86	70	$398.00	$141.35
27369 Injection of contrast for imaging of knee joint	84	69	$451.00	$165.53
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	84	12	$6.00	$1.51
99213 Established patient office or other outpatient visit, typically 15 minutes	47	40	$234.00	$78.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$522.00	$174.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	16	$342.00	$114.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	16,325	159	$35.89	$12.08
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	918	225	$25.00	$0.31
77002 Fluoroscopic guidance for needle placement	753	193	$309.53	$103.57
20610 Aspiration and/or injection of fluid from large joint	752	193	$196.70	$64.26
J1885 Injection, ketorolac tromethamine, per 15 mg	272	110	$2.00	$0.51
73580 Review by radiologist of knee joint image	169	128	$360.28	$130.33
27369 Injection of contrast for imaging of knee joint	162	127	$450.69	$147.59
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	120	24	$6.00	$1.58
99213 Established patient office or other outpatient visit, typically 15 minutes	106	91	$233.62	$76.58
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	73	24	$258.48	$79.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$521.69	$171.11
73560 X-ray of knee, 1-2 views	47	34	$92.77	$33.17
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	44	39	$339.16	$112.04
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	15	15	$342.93	$112.77
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$140.29	$46.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7320 Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg	7,600	99	$19.32	$6.52
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	1,390	333	$25.00	$0.33
20610 Aspiration and/or injection of fluid from large joint	1,189	311	$196.07	$62.43
77002 Fluoroscopic guidance for needle placement	1,161	298	$294.75	$93.80
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	839	195	$259.70	$84.74
27370 Injection of contract for X-ray imaging of knee	225	183	$487.87	$155.98
73580 Review by radiologist of knee joint image	222	180	$284.22	$116.36
J1885 Injection, ketorolac tromethamine, per 15 mg	163	50	$2.00	$0.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	104	$337.13	$107.63
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	108	108	$342.30	$109.69
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	68	14	$6.00	$1.78
99213 Established patient office or other outpatient visit, typically 15 minutes	39	34	$231.95	$73.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	28	$138.00	$44.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$520.07	$166.02
73560 X-ray of knee, 1-2 views	20	19	$74.15	$30.98
J1030 Injection, methylprednisolone acetate, 40 mg	14	11	$21.00	$6.65
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$236.00	$75.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
20610 Aspiration and/or injection of fluid from large joint	1,092	204	$182.10	$62.60
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml	1,074	188	$10.00	$0.13
77002 Fluoroscopic guidance for needle placement	1,063	198	$240.48	$92.85
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose	1,058	195	$236.34	$85.32
27370 Injection of contract for X-ray imaging of knee	239	187	$488.44	$155.93
73580 Review by radiologist of knee joint image	235	182	$378.80	$113.13
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml	208	73	$24.57	$0.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	142	142	$315.70	$109.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	124	44	$125.85	$43.69
99213 Established patient office or other outpatient visit, typically 15 minutes	104	87	$210.45	$73.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	79	$312.66	$107.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	85	85	$494.60	$165.81
J1885 Injection, ketorolac tromethamine, per 15 mg	30	24	$19.40	$0.59
J1030 Injection, methylprednisolone acetate, 40 mg	12	11	$24.58	$5.64

Medical Specialties & State Licenses

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License MO 36092

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

Commercial Insurance / Payer ID Healthlink

137009 (MO)

Commercial Insurance / Payer ID Blue Cross Blue Sheild

25688 (MO)

Commercial Insurance / Payer ID Medicare

004011602 (MO)

Commercial Insurance / Payer ID Medicare Railroad

200023002 (MO)

Commercial Insurance / Payer ID Group Health Plan

338799 (MO)

Commercial Insurance / Payer ID United Healthcare

0900044 (MO)

Commercial Insurance / Payer ID Aetna

951690 (MO)

Practice Associates & Co-Workers

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

3 Associated Practitioners

Dr. Thomas Lee , MD

Orthopaedic Surgery

NPI 1194779041

Doctor of Medicine (M.D.)

Dr. Paulo Bicalho , MD

Orthopaedic Surgery

NPI 1487606810

Doctor of Medicine (M.D.)

Susan Morris , NP-C

Nurse Practitioner - Family

NPI 1982875415

Nurse Practitioner (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 18, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location November 18, 2008

Registered at 12152 TESSON FERRY RD, SAINT LOUIS, MO 631281726 (Tel: 3148495414)

📍

Updated Business Mailing Address November 18, 2008

Registered at 12152 TESSON FERRY RD, SAINT LOUIS, MO 631281726 (Tel: 3148495414)

👤

Provider Name / Credentials Updated November 18, 2008

Recorded as ROBERT MARKENSON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 18, 2008

Orthopaedic Surgery (License #36092 in MO)

🟢

Initial NPI Registration & Enumeration May 22, 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: 1104870096

Entity Type:

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

Enumeration Date: May 22, 2006

Last Update: November 18, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

12152 Tesson Ferry Rd

Saint Louis, MO 631281726

Phone: 3148495414

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.