John Loui

  • Bel Air, MD
  • Internist
NPI1548824261PAC ID0941606982
Medicare services, 2024
96
Medicare patients, 2024
123
Part D claims, 2024
33
MIPS score, 2024
86
Hospital affiliations
2
Practice address
500 Upper Chesapeake Drive, Bel Air, MD 21014
Practice phone
Call (443) 643-3303
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

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John Loui is an internist in Bel Air, Maryland

John Loui practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System.

John Loui's NPI, 1548824261, was assigned on April 29, 2019. John Loui graduated from Rush Medical College of Rush University in 2021. John Loui holds Maryland license D0101008.

NPI and contact details
Medicare PAC ID
0941606982
NPI enumeration date
April 29, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(443) 643-3303
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
31
Medical school graduation
2021

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

John Loui practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland

John Loui's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air, at 500 Upper Chesapeake Drive, Bel Air, MD 21014 in Harford County. The practice phone is (443) 643-3303.

Source: Dmand AI Affiliation Data

John Loui is affiliated with 2 sites of care and 2 medical groups

John Loui's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System. John Loui is also affiliated with University of Maryland Medical Center. The medical group on file is Adfinitas Health. Dmand AI also links John Loui to 1 more medical group, named with a free account.

See all 4 affiliations for John Loui

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

Dmand AI tracks the EHR system at John Loui's practice

Dmand AI tracks the electronic health record (EHR) system at each site where John Loui practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Maryland Upper Chesapeake Medical Center Bel AirAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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John Loui is one of 3,320 internists in Maryland

Internal medicine is John Loui's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has John Loui's licenses on file in 2 states: Maryland and Florida.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D0101008 · taxonomy 207R00000X
  • Florida licenseLicense TRN32757

Internists near John Loui

Counts of internists 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

John Loui billed Medicare for 96 services in 2024

CMS data shows 96 Medicare services from John Loui across 1 procedure code in 2024, for 123 Medicare patients. Medicare paid $13,383 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202496
Medicare patients123
Paid by Medicare$13,383
Procedure codes1

John Loui compared with the Maryland median for internists, 2024

  • John Loui
  • Maryland median
Medicare services
96vs 65685% below
Medicare patients
123vs 25151% below

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

John Loui'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 John Loui

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

John Loui treated 123 Medicare patients in 2024, average age 75

CMS counts 123 Medicare patients who saw John Loui in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 15% are also on Medicaid. Their average risk score is 2.25, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts John Loui's median patient age at 70, with 60% women.

Medicare patients, 2024123
Average age75
Average risk score2.25
Also on Medicaid15%

John Loui's Medicare patients by age, 2024

John Loui's Medicare patients by sex, 2024

  • Women7561%
  • Men4839%

Chronic conditions among John Loui's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis70%
  4. Ischemic heart disease54%
  5. Mood disorders54%
  6. Depression49%
  7. Chronic kidney disease48%
  8. Anxiety46%

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

John Loui's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women60%
  • Men37%

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

John Loui wrote 33 Medicare Part D claims in 2024

In 2024, John Loui wrote 33 Medicare Part D claims for 15 patients. 88% of them were for generic drugs.

Part D claims, 202433
Part D patients15

John Loui's Part D claims by kind of drug, 2024

  • Generic29 claims88%
  • Brand-name and other4 claims12%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

John Loui scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for John Loui for performance year 2024, reported as part of a group. John Loui accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Loui as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

John Loui's MIPS scores, performance year 2024

  • 86of 100Final score
  • 80.9of 100Quality
  • 40of 100Improvement Activities
  • 75of 100Cost

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

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

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John Loui received $16 in industry payments in 2024

CMS Open Payments shows 1 general payment to John Loui from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $16.

Companies that paid John Loui the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to John Loui

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

John Loui graduated from Rush Medical College of Rush University

John Loui graduated from Rush Medical College of Rush University in 2021.

  1. Medical schoolRush Medical College of Rush University

Source: Dmand AI Professional Profile Data

Sources for John Loui'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 (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)
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 John Loui

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

What is John Loui's NPI number?

John Loui's NPI number is 1548824261. It was assigned on April 29, 2019, and it is active in the NPI Registry.

What does John Loui specialize in?

John Loui is an internist in Bel Air, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does John Loui practice?

John Loui practices at 500 Upper Chesapeake Drive, Bel Air, MD 21014. John Loui's primary practice is University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland, part of University of Maryland Medical System. Dmand AI also links John Loui to 1 medical group.

What is John Loui's office phone number?

The practice phone on file for John Loui is (443) 643-3303.

What is John Loui's medical license number?

John Loui holds Maryland license D0101008, one of the licenses on file in 2 states.

Which states has John Loui been licensed in?

Dmand AI has state licenses on file for John Loui in Maryland and Florida.

Which hospitals is John Loui affiliated with?

John Loui practices at University of Maryland Upper Chesapeake Medical Center Bel Air in Bel Air, Maryland. John Loui is also affiliated with University of Maryland Medical Center.

What medical group is John Loui part of?

John Loui is linked to Adfinitas Health. Dmand AI links John Loui to 1 more medical group.

Does John Loui accept Medicare?

Yes. CMS data shows John Loui billed Medicare for 96 services in 2024, and John Loui accepts Medicare assignment.

Does John Loui offer telehealth?

Yes. The CMS Doctors and Clinicians file lists John Loui as offering telehealth services.

Show 6 more questionsShow fewer questions

What is John Loui's MIPS score?

John Loui's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

How many Medicare patients does John Loui see?

CMS counts 123 Medicare patients who saw John Loui in 2024, with an average age of 75.

What services does John Loui bill to Medicare?

In 2024, John Loui's most billed Medicare services were hospital inpatient care (99223).

Where did John Loui go to medical school?

John Loui graduated from Rush Medical College of Rush University in 2021.

Has John Loui received payments from drug or device companies?

CMS Open Payments shows $16 in general payments to John Loui from 1 company from 2024 to 2024. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has John Loui been practicing?

John Loui graduated from medical school in 2021, 5 years ago.

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