Dr. David J. Riedel, MD

  • Baltimore, MD
  • Infectious disease specialist
NPI1467409359PAC ID9931133592
Medicare services, 2024
484
Medicare patients, 2024
190
Part D claims, 2024
151
Publications
73
Clinical trials
1
Practice address
22 South Greene Street, Baltimore, MD 21201
Practice phone
Call (410) 328-8667
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University of Maryland Medical Center

Hospital · Baltimore, Maryland

See all 5 affiliations

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Dr. David J. Riedel is an infectious disease specialist in Baltimore, Maryland

Dr. Riedel practices at University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System.

Dr. Riedel's NPI, 1467409359, was assigned on May 27, 2006. Dr. Riedel graduated from Pennsylvania State University College of Medicine in 2002. Dr. Riedel holds Maryland license D62803.

NPI and contact details
Medicare PAC ID
9931133592
NPI enumeration date
May 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 328-8667
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. David J. Riedel practices at University of Maryland Medical Center in Baltimore, Maryland

Dr. Riedel's primary practice is University of Maryland Medical Center, at 22 South Greene Street, Baltimore, MD 21201 in Baltimore City. The practice phone is (410) 328-8667.

Source: Dmand AI Affiliation Data

Dr. David J. Riedel is affiliated with 3 sites of care and 2 medical groups

Dr. Riedel's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dr. Riedel is also affiliated with University of Maryland Medical Center Midtown Campus. The medical group on file is University of Maryland Medical Center Gastroenterology and Hepatology. Dmand AI also links Dr. Riedel to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Riedel

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

Dmand AI tracks the EHR system at Dr. David J. Riedel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riedel practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University of Maryland Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. David J. Riedel is one of 303 infectious disease specialists in Maryland

Infectious disease is Dr. Riedel's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Riedel is licensed in Maryland.

Specialties and state licenses

  • Infectious disease, MarylandPrimaryLicense D62803 · taxonomy 207RI0200X

Infectious disease specialists near Dr. Riedel

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. David J. Riedel billed Medicare for 484 services in 2024

CMS data shows 484 Medicare services from Dr. Riedel across 6 procedure codes in 2024, for 190 Medicare patients. Medicare paid $45,528 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024484
Medicare patients190
Paid by Medicare$45,528
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 3652024: 48433%

Dr. Riedel compared with the Maryland median for infectious disease specialists, 2024

  • Dr. Riedel
  • Maryland median
Medicare services
484vs 2172.2 times
Medicare patients
190vs 12651% above
Part D claims
73vs 9826% below

Medians across 250 infectious disease specialists in Maryland with Dmand AI profiles that report each measure.

Dr. Riedel'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. Riedel

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

Dr. David J. Riedel treated 190 Medicare patients in 2024, average age 68

CMS counts 190 Medicare patients who saw Dr. Riedel in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 3.62, 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. Riedel's median patient age at 59, with 33% women.

Medicare patients, 2024190
Average age68
Average risk score3.62
Also on Medicaid31%

Dr. Riedel's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Riedel's Medicare patients by sex, 2024

  • Women9852%
  • Men9248%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease56%
  4. Arthritis47%
  5. Diabetes46%
  6. Mood disorders45%
  7. Ischemic heart disease43%
  8. Anxiety41%

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

Dr. Riedel's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women33%
  • Men63%

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

Dr. David J. Riedel wrote 151 Medicare Part D claims in 2024

In 2024, Dr. Riedel wrote 151 Medicare Part D claims for 25 patients. 43% of them were for generic drugs. CMS names the drug for 73 of them, across 4 drugs with 11 or more claims each, at $185,314 in total drug cost. In 2023, CMS named 29 claims across 2 drugs.

Part D claims, 2024151
Drugs named by CMS4
Total drug cost$185,314
Part D patients25

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

  • Generic65 claims43%
  • Brand-name86 claims57%

Dr. Riedel'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 292024: 73152%

Drugs named by CMS: 4 in 2024, 2 in 2023.

See all prescribing by Dr. Riedel

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. David J. Riedel offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. David J. Riedel has 73 publications on record

Dmand AI links 73 papers to Dr. Riedel, published from 2009 to 2025. 2016 was the busiest year, with 7. The most frequent topics are HIV Infections, Rwanda and Viral Load. Dr. Riedel has published most often in AIDS. Dr. Riedel's most frequent co-authors are Bruce L. Gilliam, MD, Lori E. Fantry, MD, MPH and Cassidy W. Claassen, MD.

Papers73
Years published2009 to 2025

Dr. Riedel's papers by year, 2016 to 2025

Topics Dr. Riedel writes about most

  • HIV Infections
  • Rwanda
  • Viral Load
  • Anti-HIV Agents
  • HIV-1
  • Anti-Retroviral Agents
  • Coinfection
  • Anti-Bacterial Agents

Dr. Riedel's most frequent co-authors

Recent publications by Dr. Riedel

See all 73 publications and co-authors

See who Dr. Riedel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Riedel 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. David J. Riedel has worked on 1 clinical trial

Dmand AI links Dr. Riedel to 1 clinical trial.

Recent clinical trials with Dr. Riedel

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. David J. Riedel received $27,579 in industry payments from 2016 to 2021

CMS Open Payments shows 60 general payments to Dr. Riedel from 5 drug and device companies from 2016 to 2021. Consulting fees make up the largest share, 79% of the total. ViiV Healthcare Company paid the most, $26,050.

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

General payments to Dr. Riedel by kind, 2016 to 2021

$27.6Kin total
  • Consulting fees$21,77079%
  • Travel and lodging$4,18415%
  • Food and beverage$1,5256%
  • Education$990%

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

Share is of all general payments to this clinician.

See all payments to Dr. Riedel

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

Dr. David J. Riedel graduated from Pennsylvania State University College of Medicine

Dr. Riedel graduated from Pennsylvania State University College of Medicine in 2002.

  1. Medical schoolPennsylvania State University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. David J. Riedel'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
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. David J. Riedel

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. David J. Riedel's NPI number?

Dr. David J. Riedel's NPI number is 1467409359. It was assigned on May 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. David J. Riedel?

Dr. David J. Riedel is an infectious disease specialist in Baltimore, Maryland. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. David J. Riedel practice?

Dr. Riedel practices at 22 South Greene Street, Baltimore, MD 21201. Dr. Riedel's primary practice is University of Maryland Medical Center in Baltimore, Maryland, part of University of Maryland Medical System. Dmand AI also links Dr. Riedel to 1 hospital and 1 medical group.

What is Dr. David J. Riedel's office phone number?

The practice phone on file for Dr. Riedel is (410) 328-8667.

What is Dr. David J. Riedel's medical license number?

Dr. Riedel holds Maryland license D62803.

Which hospitals is Dr. David J. Riedel affiliated with?

Dr. Riedel practices at University of Maryland Medical Center in Baltimore, Maryland. Dr. Riedel is also affiliated with University of Maryland Medical Center Midtown Campus. Dmand AI links Dr. Riedel to 1 more hospital.

What medical group is Dr. David J. Riedel part of?

Dr. Riedel is linked to University of Maryland Medical Center Gastroenterology and Hepatology. Dmand AI links Dr. Riedel to 1 more medical group.

Does Dr. David J. Riedel accept Medicare?

Yes. CMS data shows Dr. Riedel billed Medicare for 484 services in 2024, and Dr. Riedel accepts Medicare assignment.

Does Dr. David J. Riedel offer telehealth?

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

How many Medicare patients does Dr. David J. Riedel see?

CMS counts 190 Medicare patients who saw Dr. Riedel in 2024, with an average age of 68.

Show 7 more questionsShow fewer questions

What services does Dr. David J. Riedel bill to Medicare?

In 2024, Dr. Riedel's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Dr. David J. Riedel go to medical school?

Dr. Riedel graduated from Pennsylvania State University College of Medicine in 2002.

What drugs does Dr. David J. Riedel prescribe most?

In 2024 Medicare Part D data, Dr. Riedel's most prescribed drugs by claims were Biktarvy, Amlodipine Besylate and Cabenuva.

Has Dr. David J. Riedel received payments from drug or device companies?

CMS Open Payments shows $27,579 in general payments to Dr. Riedel from 5 companies from 2016 to 2021. The largest total came from ViiV Healthcare Company.

How long has Dr. David J. Riedel been practicing?

Dr. Riedel graduated from medical school in 2002, 24 years ago.

Does Dr. David J. Riedel do research?

Dmand AI links 73 publications to Dr. Riedel, published from 2009 to 2025. Dr. Riedel has worked on 1 clinical trial.

Who does Dr. David J. Riedel publish with?

Dr. Riedel's most frequent co-authors are Bruce L. Gilliam, MD (10 shared papers), Lori E. Fantry, MD, MPH (4 shared papers) and Cassidy W. Claassen, MD (3 shared papers).

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