Dr. Robert S. Kramer, MD

  • Saint Louis, MO
  • Orthopedic surgeon
NPI1295888436PAC ID8527071794
Medicare services, 2024
1,203
Medicare patients, 2024
303
Part D claims, 2024
868
MIPS score, 2024
92
Hospital affiliations
4
Practice address
12152 Tesson Ferry Rd, Saint Louis, MO 63128
Practice phone
Call (314) 569-2918
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Des Peres Square Surgery Center

Saint Louis, Missouri

See all 7 affiliations

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Dr. Robert S. Kramer is an orthopedic surgeon in Saint Louis, Missouri

Dr. Kramer practices at Des Peres Square Surgery Center in Saint Louis, Missouri.

Dr. Kramer's NPI, 1295888436, was assigned on January 19, 2007. Dr. Kramer graduated from Washington University School of Medicine in 1983. Dr. Kramer holds Missouri license R1J53.

NPI and contact details
Medicare PAC ID
8527071794
NPI enumeration date
January 19, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 569-2918
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Robert S. Kramer practices at Des Peres Square Surgery Center in Saint Louis, Missouri

Dr. Kramer's primary practice is Des Peres Square Surgery Center, at 12152 Tesson Ferry Rd, Saint Louis, MO 63128 in Saint Louis County. The practice phone is (314) 569-2918.

  • Des Peres Square Surgery Center
    12152 Tesson Ferry Rd, Saint Louis, MO 63128 · Saint Louis CountyPhone(314) 569-2918

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Robert S. Kramer is affiliated with 6 sites of care and 1 medical group

Dr. Kramer's primary practice is Des Peres Square Surgery Center in Saint Louis, Missouri. Dr. Kramer is also affiliated with Missouri Baptist Medical Center. The medical group on file is Orthopedic Associates. Dmand AI also links Dr. Kramer to 3 more hospitals and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Kramer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert S. Kramer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kramer practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Des Peres Square Surgery CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert S. Kramer is one of 417 orthopedic surgeons in Missouri

Orthopaedic surgery is Dr. Kramer's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kramer is licensed in Missouri.

Specialties and state licenses

  • Orthopaedic surgery, MissouriPrimaryLicense R1J53 · taxonomy 207X00000X

Orthopedic surgeons near Dr. Kramer

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Robert S. Kramer billed Medicare for 1,203 services in 2024

CMS data shows 1,203 Medicare services from Dr. Kramer across 14 procedure codes in 2024, for 303 Medicare patients. Medicare paid $118,194 for them.

Medicare services, 20241,203
Medicare patients303
Paid by Medicare$118,194
Procedure codes14

Dr. Kramer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4762024: 4457%
Imaging
2023: 3572024: 32210%
Surgery
2023: 2612024: 2543%
Drugs given in the office
2023: 1912024: 1825%

Where Dr. Kramer's Medicare services took place, 2024

  • In an office1,10592%
  • In a facility988%

Dr. Kramer compared with the Missouri median for orthopedic surgeons, 2024

  • Dr. Kramer
  • Missouri median
Medicare services
1,203vs 84942% above
Medicare patients
303vs 23131% above
Part D claims
818vs 1565.2 times

Medians across 414 orthopedic surgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Kramer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Kramer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert S. Kramer treated 303 Medicare patients in 2024, average age 76

CMS counts 303 Medicare patients who saw Dr. Kramer in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kramer's median patient age at 73, with 56% women.

Medicare patients, 2024303
Average age76
Average risk score0.94

Dr. Kramer's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Kramer's Medicare patients by sex, 2024

  • Women19665%
  • Men10735%

Chronic conditions among Dr. Kramer's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure69%
  4. Mood disorders26%
  5. Anxiety24%
  6. Depression22%
  7. Diabetes22%
  8. Osteoporosis19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Kramer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women56%
  • Men43%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert S. Kramer wrote 868 Medicare Part D claims in 2024

In 2024, Dr. Kramer wrote 868 Medicare Part D claims for 254 patients. 99% of them were for generic drugs. CMS names the drug for 818 of them, across 7 drugs with 11 or more claims each, at $3,219 in total drug cost. In 2023, CMS named 725 claims across 7 drugs.

Part D claims, 2024868
Drugs named by CMS7
Total drug cost$3,219
Part D patients254

Dr. Kramer's Part D claims by kind of drug, 2024

  • Generic863 claims99%
  • Brand-name and other5 claims1%

Dr. Kramer's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Kramer's Part D claims, 2024

  • Opioids41%357 of 868 claims
  • Antibiotics13%113 of 868 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7252024: 81813%

Drugs named by CMS: 7 in 2024, 7 in 2023.

See all prescribing by Dr. Kramer

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Robert S. Kramer scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Kramer for performance year 2024, reported as part of a group. Dr. Kramer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 28 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) by Dr. Kramer, more than 96% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Kramer's MIPS scores, performance year 2024

  • 92of 100Final score
  • 98of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 75of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Kramer ranks in Medicare procedure volume

Knee replacement
84th percentile62 procedures
Lower limb (leg) arthroscopy (minimally invasive joint repair)
96th percentile28 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)

Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Robert S. Kramer received $16,519 in industry payments from 2016 to 2025

CMS Open Payments shows 45 general payments to Dr. Kramer from 20 drug and device companies from 2016 to 2025. Education make up the largest share, 73% of the total. Elite Orthopedics, LLC paid the most, $10,318.

General payments to Dr. Kramer by program year, 2016 to 2025

General payments to Dr. Kramer by kind, 2016 to 2025

$16.5Kin total
  • Education$12,01073%
  • Food and beverage$2,58816%
  • Travel and lodging$1,92112%

Companies that paid Dr. Kramer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Kramer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert S. Kramer graduated from Washington University School of Medicine

Dr. Kramer graduated from Washington University School of Medicine in 1983.

  1. Medical schoolWashington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert S. Kramer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Robert S. Kramer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Robert S. Kramer's NPI number?

Dr. Robert S. Kramer's NPI number is 1295888436. It was assigned on January 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert S. Kramer?

Dr. Robert S. Kramer is an orthopedic surgeon in Saint Louis, Missouri. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Robert S. Kramer practice?

Dr. Kramer practices at 12152 Tesson Ferry Rd, Saint Louis, MO 63128. Dr. Kramer's primary practice is Des Peres Square Surgery Center in Saint Louis, Missouri. Dmand AI also links Dr. Kramer to 3 hospitals and 1 group practice or clinic.

What is Dr. Robert S. Kramer's office phone number?

The practice phone on file for Dr. Kramer is (314) 569-2918.

What is Dr. Robert S. Kramer's medical license number?

Dr. Kramer holds Missouri license R1J53.

Which hospitals is Dr. Robert S. Kramer affiliated with?

Dr. Kramer is affiliated with Missouri Baptist Medical Center. Dmand AI links Dr. Kramer to 3 more hospitals.

What medical group is Dr. Robert S. Kramer part of?

Dr. Kramer is linked to Orthopedic Associates.

Does Dr. Robert S. Kramer accept Medicare?

Yes. CMS data shows Dr. Kramer billed Medicare for 1,203 services in 2024, and Dr. Kramer accepts Medicare assignment.

What is Dr. Robert S. Kramer's MIPS score?

Dr. Kramer's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Robert S. Kramer see?

CMS counts 303 Medicare patients who saw Dr. Kramer in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Robert S. Kramer bill to Medicare?

In 2024, Dr. Kramer's most billed Medicare services were office visit, established patient (99213), injected or infused drug (J3301) and surgery: bones and joints (20610).

Where did Dr. Robert S. Kramer go to medical school?

Dr. Kramer graduated from Washington University School of Medicine in 1983.

What drugs does Dr. Robert S. Kramer prescribe most?

In 2024 Medicare Part D data, Dr. Kramer's most prescribed drugs by claims were Meloxicam, Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.

Has Dr. Robert S. Kramer received payments from drug or device companies?

CMS Open Payments shows $16,519 in general payments to Dr. Kramer from 20 companies from 2016 to 2025. The largest total came from Elite Orthopedics, LLC.

How long has Dr. Robert S. Kramer been practicing?

Dr. Kramer graduated from medical school in 1983, 43 years ago.

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