Dr. Robert A. Kessler, MD

  • Sioux Falls, SD
  • Infectious disease specialist
NPI1932368602PAC ID3678733276
Medicare services, 2024
462
Medicare patients, 2024
251
Part D claims, 2024
383
Publications
2
Hospital affiliations
5
Practice address
1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117
Practice phone
Call (605) 322-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Avera McKennan Hospital & University Health Center

Hospital · Sioux Falls, South Dakota

See all 13 affiliations

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Dr. Robert A. Kessler is an infectious disease specialist in Sioux Falls, South Dakota

Dr. Kessler practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health.

Dr. Kessler's NPI, 1932368602, was assigned on June 6, 2008. Dr. Kessler graduated from Sanford School of Medicine of University of South Dakota in 2008. Dr. Kessler holds South Dakota license 9108.

NPI and contact details
Medicare PAC ID
3678733276
NPI enumeration date
June 6, 2008
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(605) 322-8000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
44
Medical school graduation
2008

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

Dr. Robert A. Kessler practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota

Dr. Kessler's primary practice is Avera McKennan Hospital & University Health Center, at 1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117 in Minnehaha County. The practice phone is (605) 322-8000.

Source: Dmand AI Affiliation Data

Dr. Robert A. Kessler is affiliated with 8 sites of care and 5 medical groups

Dr. Kessler's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health. Dr. Kessler is also affiliated with Avera Marshall Regional Medical Center. The medical group on file is Avera McKennan Hospital & University Health Center. Dmand AI also links Dr. Kessler to 3 more hospitals, 4 medical groups, 2 group practices and clinics and 1 rural health clinic, each named with a free account.

See all 13 affiliations for Dr. Kessler

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Robert A. Kessler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kessler practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Avera McKennan Hospital & University Health CenterAvailable with a free account
+7 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Robert A. Kessler is one of 26 infectious disease specialists in South Dakota

Infectious disease is Dr. Kessler's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Kessler's licenses on file in 2 states: South Dakota and Maine.

Specialties and state licenses

  • Infectious disease, South DakotaPrimaryLicense 9108 · taxonomy 207RI0200X
  • Internal medicine, MaineLicense MD19000 · taxonomy 207R00000X

Infectious disease specialists near Dr. Kessler

Counts of infectious disease specialists 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 A. Kessler billed Medicare for 462 services in 2024

CMS data shows 462 Medicare services from Dr. Kessler across 7 procedure codes in 2024, for 251 Medicare patients. Medicare paid $46,179 for them.

Medicare services, 2024462
Medicare patients251
Paid by Medicare$46,179
Procedure codes7

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

  • 2023
  • 2024
Office and hospital visits
2023: 5002024: 29940%
Other services
2023: 2082024: 16322%

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

  • In an office31568%
  • In a facility14732%

Dr. Kessler compared with the South Dakota median for infectious disease specialists, 2024

  • Dr. Kessler
  • South Dakota median
Medicare services
462vs 462Close to median
Medicare patients
251vs 251Close to median
Part D claims
289vs 22429% above

Medians across 25 infectious disease specialists in South Dakota with Dmand AI profiles that report each measure.

Dr. Kessler'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. Kessler

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kessler and other infectious disease specialists in South Dakota.

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

Dr. Robert A. Kessler treated 251 Medicare patients in 2024, average age 74

CMS counts 251 Medicare patients who saw Dr. Kessler in 2024. The largest group is 65 to 74, with 103 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 2.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Kessler's median patient age at 67, with 44% women.

Medicare patients, 2024251
Average age74
Average risk score2.74
Also on Medicaid19%

Dr. Kessler's Medicare patients by age, 2024

Dr. Kessler's Medicare patients by sex, 2024

  • Women11445%
  • Men13755%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis52%
  4. Chronic kidney disease52%
  5. Heart failure48%
  6. Ischemic heart disease45%
  7. Mood disorders45%
  8. Atrial fibrillation43%

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

Dr. Kessler's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women44%
  • Men56%

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

Dr. Robert A. Kessler wrote 383 Medicare Part D claims in 2024

In 2024, Dr. Kessler wrote 383 Medicare Part D claims for 82 patients. 86% of them were for generic drugs. CMS names the drug for 289 of them, across 15 drugs with 11 or more claims each, at $107,460 in total drug cost. In 2023, CMS named 382 claims across 18 drugs.

Part D claims, 2024383
Drugs named by CMS15
Total drug cost$107,460
Part D patients82

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

  • Generic328 claims86%
  • Brand-name55 claims14%

Dr. Kessler'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. Kessler's Part D claims, 2024

  • Antibiotics64%245 of 383 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: 3822024: 28924%

Drugs named by CMS: 15 in 2024, 18 in 2023.

See all prescribing by Dr. Kessler

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 A. Kessler offers telehealth to Medicare patients

Dr. Kessler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Kessler as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Robert A. Kessler has 2 publications on record

Dmand AI links 2 papers to Dr. Kessler in 2015. 2015 was the busiest year, with 2. Dr. Kessler's most frequent co-authors are Anthony David Amoroso, MD, Rebecca C. Brady, MD and Michael S. Donnenberg, MD.

Papers2

Dr. Kessler's most frequent co-authors

Recent publications by Dr. Kessler

See all 2 publications and co-authors

See who Dr. Kessler researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kessler works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Robert A. Kessler received $510 in industry payments from 2016 to 2024

CMS Open Payments shows 37 general payments to Dr. Kessler from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 91% of the total. Alkermes, Inc. paid the most, $449.

General payments to Dr. Kessler by program year, 2016 to 2024

General payments to Dr. Kessler by kind, 2016 to 2024

$510in total
  • Food and beverage$46591%
  • Education$459%

Companies that paid Dr. Kessler the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Kessler

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

Dr. Robert A. Kessler graduated from Sanford School of Medicine of University of South Dakota

Dr. Kessler graduated from Sanford School of Medicine of University of South Dakota in 2008.

  1. Medical schoolSanford School of Medicine of University of South Dakota

Source: Dmand AI Professional Profile Data

Sources for Dr. Robert A. Kessler'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 A. Kessler

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 A. Kessler's NPI number?

Dr. Robert A. Kessler's NPI number is 1932368602. It was assigned on June 6, 2008, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert A. Kessler?

Dr. Robert A. Kessler is an infectious disease specialist in Sioux Falls, South Dakota. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. Robert A. Kessler practice?

Dr. Kessler practices at 1325 S Cliff Ave Post Office Box 5045, Sioux Falls, SD 57117. Dr. Kessler's primary practice is Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota, part of Avera Health. Dmand AI also links Dr. Kessler to 3 hospitals, 4 medical groups, 2 group practices and clinics and 1 rural health clinic.

What is Dr. Robert A. Kessler's office phone number?

The practice phone on file for Dr. Kessler is (605) 322-8000.

What is Dr. Robert A. Kessler's medical license number?

Dr. Kessler holds South Dakota license 9108, one of the licenses on file in 2 states.

Which states has Dr. Robert A. Kessler been licensed in?

Dmand AI has state licenses on file for Dr. Kessler in South Dakota and Maine.

Which hospitals is Dr. Robert A. Kessler affiliated with?

Dr. Kessler practices at Avera McKennan Hospital & University Health Center in Sioux Falls, South Dakota. Dr. Kessler is also affiliated with Avera Marshall Regional Medical Center. Dmand AI links Dr. Kessler to 3 more hospitals.

What medical group is Dr. Robert A. Kessler part of?

Dr. Kessler is linked to Avera McKennan Hospital & University Health Center. Dmand AI links Dr. Kessler to 4 more medical groups.

Does Dr. Robert A. Kessler accept Medicare?

Yes. CMS data shows Dr. Kessler billed Medicare for 462 services in 2024, and Dr. Kessler accepts Medicare assignment.

Does Dr. Robert A. Kessler offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Kessler as offering telehealth services.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Robert A. Kessler see?

CMS counts 251 Medicare patients who saw Dr. Kessler in 2024, with an average age of 74.

What services does Dr. Robert A. Kessler bill to Medicare?

In 2024, Dr. Kessler's most billed Medicare services were medicare service (G0408), hospital inpatient care (99223) and office visit, established patient (99215).

Where did Dr. Robert A. Kessler go to medical school?

Dr. Kessler graduated from Sanford School of Medicine of University of South Dakota in 2008.

What drugs does Dr. Robert A. Kessler prescribe most?

In 2024 Medicare Part D data, Dr. Kessler's most prescribed drugs by claims were Cefadroxil, Doxycycline Hyclate and Posaconazole.

Has Dr. Robert A. Kessler received payments from drug or device companies?

CMS Open Payments shows $510 in general payments to Dr. Kessler from 4 companies from 2016 to 2024. The largest total came from Alkermes, Inc.

How long has Dr. Robert A. Kessler been practicing?

Dr. Kessler graduated from medical school in 2008, 18 years ago.

Does Dr. Robert A. Kessler do research?

Dmand AI links 2 publications to Dr. Kessler.

Who does Dr. Robert A. Kessler publish with?

Dr. Kessler's most frequent co-authors are Anthony David Amoroso, MD (1 shared paper), Rebecca C. Brady, MD (1 shared paper) and Michael S. Donnenberg, MD (1 shared paper).

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