Dr. John E. Looby Jr., MD

  • Rapid City, SD
  • Hospitalist
NPI1508966011PAC ID0941229272
Medicare services, 2024
767
Medicare patients, 2024
210
Part D claims, 2024
853
Hospital affiliations
1
Industry payments
$758
Practice address
353 Fairmont Blvd, Rapid City, SD 57701
Practice phone
Call (605) 755-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Monument Health Rapid City Hospital

Hospital · Rapid City, South Dakota

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Dr. John E. Looby Jr. is a hospitalist in Rapid City, South Dakota

Dr. Looby practices at Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health.

Dr. Looby's NPI, 1508966011, was assigned on September 24, 2006. Dr. Looby graduated from Sanford School of Medicine of University of South Dakota in 1994. Dr. Looby holds South Dakota license 4242.

NPI and contact details
Medicare PAC ID
0941229272
NPI enumeration date
September 24, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(605) 755-1000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. John E. Looby Jr. practices at Monument Health Rapid City Hospital in Rapid City, South Dakota

Dr. Looby's primary practice is Monument Health Rapid City Hospital, at 353 Fairmont Blvd, Rapid City, SD 57701 in Pennington County. The practice phone is (605) 755-1000.

Source: Dmand AI Affiliation Data

Dr. John E. Looby Jr. is affiliated with 1 site of care and 1 medical group

Dr. Looby's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health. The medical group on file is Monument Health Rapid City Hospital.

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

Dmand AI tracks the EHR system at Dr. John E. Looby Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Monument Health Rapid City HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John E. Looby Jr. is one of 99 hospitalists in South Dakota

Hospitalist is Dr. Looby's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Looby is licensed in South Dakota.

Specialties and state licenses

  • Hospitalist, South DakotaPrimaryLicense 4242 · taxonomy 208M00000X

Hospitalists near Dr. Looby

Counts of hospitalists 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. John E. Looby Jr. billed Medicare for 767 services in 2024

CMS data shows 767 Medicare services from Dr. Looby across 5 procedure codes in 2024, for 210 Medicare patients. Medicare paid $43,962 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024767
Medicare patients210
Paid by Medicare$43,962
Procedure codes5

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

  • 2023
  • 2024
Office and hospital visits
2023: 8542024: 76710%

Dr. Looby compared with the South Dakota median for hospitalists, 2024

  • Dr. Looby
  • South Dakota median
Medicare services
767vs 52845% above
Medicare patients
210vs 218Close to median
Part D claims
573vs 4712.2 times

Medians across 93 hospitalists in South Dakota with Dmand AI profiles that report each measure.

Dr. Looby'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. Looby

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

Dr. John E. Looby Jr. treated 210 Medicare patients in 2024, average age 74

CMS counts 210 Medicare patients who saw Dr. Looby in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.45, 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. Looby's median patient age at 77, with 52% women.

Medicare patients, 2024210
Average age74
Average risk score2.45
Also on Medicaid25%

Dr. Looby's Medicare patients by age, 2024

Dr. Looby's Medicare patients by sex, 2024

  • Women11957%
  • Men9143%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease49%
  4. Arthritis47%
  5. Heart failure47%
  6. Anxiety43%
  7. Chronic kidney disease43%
  8. Diabetes43%

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

Dr. Looby's patients across all payers

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

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. John E. Looby Jr. wrote 853 Medicare Part D claims in 2024

In 2024, Dr. Looby wrote 853 Medicare Part D claims for 116 patients. 81% of them were for generic drugs. CMS names the drug for 573 of them, across 22 drugs with 11 or more claims each, at $45,455 in total drug cost. In 2023, CMS named 485 claims across 20 drugs.

Part D claims, 2024853
Drugs named by CMS22
Total drug cost$45,455
Part D patients116

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

  • Generic687 claims81%
  • Brand-name and other166 claims19%

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

  • Opioids2%16 of 853 claims
  • Antibiotics4%31 of 853 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: 4852024: 57318%

Drugs named by CMS: 22 in 2024, 20 in 2023.

See all prescribing by Dr. Looby

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

How Dr. John E. Looby Jr. takes part in Medicare

Dr. Looby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. John E. Looby Jr. received $758 in industry payments from 2016 to 2021

CMS Open Payments shows 26 general payments to Dr. Looby from 8 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $308.

General payments to Dr. Looby by program year, 2016 to 2021

Companies that paid Dr. Looby the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Looby

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

Dr. John E. Looby Jr. graduated from Sanford School of Medicine of University of South Dakota

Dr. Looby graduated from Sanford School of Medicine of University of South Dakota in 1994.

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

Source: Dmand AI Professional Profile Data

Sources for Dr. John E. Looby Jr.'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)
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. John E. Looby Jr.

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. John E. Looby Jr.'s NPI number?

Dr. John E. Looby Jr.'s NPI number is 1508966011. It was assigned on September 24, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John E. Looby Jr.?

Dr. John E. Looby Jr. is a hospitalist in Rapid City, South Dakota. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. John E. Looby Jr. practice?

Dr. Looby practices at 353 Fairmont Blvd, Rapid City, SD 57701. Dr. Looby's primary practice is Monument Health Rapid City Hospital in Rapid City, South Dakota, part of Monument Health.

What is Dr. John E. Looby Jr.'s office phone number?

The practice phone on file for Dr. Looby is (605) 755-1000.

What is Dr. John E. Looby Jr.'s medical license number?

Dr. Looby holds South Dakota license 4242.

Which hospitals is Dr. John E. Looby Jr. affiliated with?

Dr. Looby practices at Monument Health Rapid City Hospital in Rapid City, South Dakota.

What medical group is Dr. John E. Looby Jr. part of?

Dr. Looby is linked to Monument Health Rapid City Hospital.

Does Dr. John E. Looby Jr. accept Medicare?

Yes. CMS data shows Dr. Looby billed Medicare for 767 services in 2024, and Dr. Looby accepts Medicare assignment.

How many Medicare patients does Dr. John E. Looby Jr. see?

CMS counts 210 Medicare patients who saw Dr. Looby in 2024, with an average age of 74.

What services does Dr. John E. Looby Jr. bill to Medicare?

In 2024, Dr. Looby's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99231) and hospital inpatient care (99239).

Show 4 more questionsShow fewer questions

Where did Dr. John E. Looby Jr. go to medical school?

Dr. Looby graduated from Sanford School of Medicine of University of South Dakota in 1994.

What drugs does Dr. John E. Looby Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Looby's most prescribed drugs by claims were Metoprolol Succinate, Potassium Chloride and Atorvastatin Calcium.

Has Dr. John E. Looby Jr. received payments from drug or device companies?

CMS Open Payments shows $758 in general payments to Dr. Looby from 8 companies from 2016 to 2021. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Dr. John E. Looby Jr. been practicing?

Dr. Looby graduated from medical school in 1994, 32 years ago.

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