DR. ROBERT I MARKENSON M.D.
NPI 1104870096
Orthopaedic Surgery in Saint Louis, MO

Q: What is Robert Markenson's NPI number?

The NPI number for Robert Markenson is 1104870096. It was assigned to this individual provider in the NPPES registry on May 22, 2006.

Q: What is Robert Markenson's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Markenson was last updated on November 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 22, 2006PECOS Enrolled

60.45/100

CMS Quality Rating

12152 TESSON FERRY RD, SAINT LOUIS, MO 63128(314) 849-5414(314) 849-2042 Get Directions Write a Review

NPPES record last updated: November 18, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Robert I Markenson M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT I MARKENSON M.D. (NPI 1104870096) is an individual orthopaedic surgery provider in Saint Louis, Missouri, licensed in Missouri (36092) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104870096

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameDR. ROBERT I MARKENSONCredential: M.D.

Location Address12152 TESSON FERRY RDSaint Louis, MO 63128-1726

Mailing Address12152 Tesson Ferry RdSaint Louis, MO 63128-1726 · (314) 849-5414 · Fax (314) 849-2042

Phone(314) 849-5414

Fax(314) 849-2042

Sole ProprietorNo

Enumeration DateMay 22, 2006

Last NPPES UpdateNovember 18, 2008

✔ NPI 1104870096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in MO · 36092

Definition

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.

12152 TESSON FERRY RD, Saint Louis, MO 63128

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Other Identifiers 9

Other004011602MO · Medicare

Medicare UPINA10054MO

Other200023002MO · Medicare Railroad

Other137009MO · Healthlink

Other25688MO · Blue Cross Blue Sheild

Medicare NSC0162570001MO

Other0900044MO · United Healthcare

Other338799MO · Group Health Plan

Other951690MO · Aetna

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Robert I Markenson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Robert Markenson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellness By Physicians, Inc.

963 mi

Physical Medicine & Rehabilitation

6150 DIAMOND CENTRE CT BLDG 100
Fort Myers, FL 33912

Reassigned Medicare billing, Florida enrollment
15 clinicians in this Medicare group

NPI 1821459322 (239) 768-6396

Physicians For Quality Healthcare, Inc.

963 mi

Physical Medicine & Rehabilitation

6150 DIAMOND CENTRE CT, BUILDING 100
Fort Myers, FL 33912

Reassigned Medicare billing, Florida enrollment
12 clinicians in this Medicare group

NPI 1528353554 (239) 768-6396

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hyaluronan or derivitive, genvisc 850, for intra-articular injection, 1 mg J7320

Genvisc 850 is an injection containing hyaluronan, a substance naturally found in your joints. It helps to lubricate and cushion your joints. This treatment is used to relieve knee pain due to osteoarthritis when other treatments have not worked.

2,450 services20 patients

Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml Q9966

Low osmolar contrast material with 200-299 mg/ml iodine concentration is a type of dye used in certain medical tests like CT scans or X-rays. It helps to highlight specific areas in your body, making them easier to see and examine. It's safe and commonly used.

184 services41 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

152 services35 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

150 services34 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

112 services22 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

52 services14 patients

Injection of contrast for imaging of knee joint 27369

This procedure involves injecting a contrast agent into the knee joint to enhance imaging clarity. The contrast helps highlight structures like ligaments, cartilage, and tendons, aiding in accurate diagnosis. It's generally safe with minor discomfort.

32 services25 patients

Review by radiologist of knee joint image 73580

A radiologist, a doctor specialized in interpreting medical images, examines your knee joint image. This helps identify issues like fractures, arthritis, or other abnormalities. This review is vital for accurate diagnosis and treatment planning.

32 services25 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

17 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

17 services16 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

60.45/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

63.23

Improvement Activities

Cost

17.2

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…

100%245 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Knee orthosis (ko), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf L1851

DME-Orthotic Devices · category DF011N

2 suppliers31 claims39 services$586.97 avg. paid by Medicare

Addition to lower extremity orthosis, suspension sleeve L2397

DME-Orthotic Devices · category DF000N

2 suppliers31 claims39 services$85.06 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. PERRY KENT GEISTLER DPM

Podiatrist (Foot & Ankle Surgery)