Cardiac OutputCardiotonic AgentsHeart Failure
Dr. John T. Fritzlen, MD
NPI1730685553PAC ID2567710932
- Medicare services, 2022
- 123
- Part D claims, 2024
- 105
- Publications
- 5
- Hospital affiliations
- 5
- Industry payments
- $1,956
- Practice address
- 4000 Cambridge Street, Kansas City, KS 66160
- Practice phone
- Call (913) 588-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Fritzlen's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John T. Fritzlen is an internist in Kansas City, Kansas
Dr. Fritzlen practices at The University of Kansas Hospital in Kansas City, Kansas, part of The University of Kansas Health System.
Dr. Fritzlen's NPI, 1730685553, was assigned on April 2, 2018. Dr. Fritzlen graduated from University of Kansas School of Med (KC/Wich/Sal) in 2018. Dr. Fritzlen holds Kansas license 04-44413.
NPI and contact details
- NPI
- 1730685553NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567710932
- NPI enumeration date
- April 2, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (913) 588-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John T. Fritzlen practices at The University of Kansas Hospital in Kansas City, Kansas
Dr. Fritzlen's primary practice is The University of Kansas Hospital, at 4000 Cambridge Street, Kansas City, KS 66160 in Wyandotte County. The practice phone is (913) 588-5000.
- The University of Kansas Hospital4000 Cambridge Street, Kansas City, KS 66160 · Wyandotte CountyPhone(913) 588-5000
Source: Dmand AI Affiliation Data
Dr. John T. Fritzlen is affiliated with 5 sites of care and 2 medical groups
Dr. Fritzlen's primary practice is The University of Kansas Hospital in Kansas City, Kansas, part of The University of Kansas Health System. Dr. Fritzlen is also affiliated with The University of Kansas Health System Olathe Hospital. The medical group on file is Kansas University Physicians. Dmand AI also links Dr. Fritzlen to 3 more hospitals and 1 medical group, each named with a free account.
The University of Kansas Health System Olathe HospitalKansas University Physicians3 hospitalsNames with a free account1 medical groupName with a free account
See all 7 affiliations for Dr. FritzlenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John T. Fritzlen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fritzlen practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Kansas Hospital | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John T. Fritzlen is one of 866 internists in Kansas
Internal medicine is Dr. Fritzlen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fritzlen is licensed in Kansas.
Specialties and state licenses
- Internal medicine, KansasPrimary
Internists near Dr. Fritzlen
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
866internists in Kansas273internists in Kansas City210internists at The University of Kansas Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John T. Fritzlen billed Medicare for 123 services in 2022
CMS data shows 123 Medicare services from Dr. Fritzlen across 3 procedure codes in 2022. Medicare paid $10,354 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022123
Paid by Medicare$10,354
Procedure codes3
Dr. Fritzlen's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 942022: 12331%
Dr. Fritzlen compared with the Kansas median for internists, 2022
- Dr. Fritzlen
- Kansas median
- Medicare services
- 123vs 68182% below
- Part D claims
- 16vs 17991% below
Medians across 820 internists in Kansas with Dmand AI profiles that report each measure.
Dr. Fritzlen's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Fritzlen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Fritzlen and other internists in Kansas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John T. Fritzlen's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Fritzlen's median patient age at 72, with 52% women.
Dr. Fritzlen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. John T. Fritzlen wrote 105 Medicare Part D claims in 2024
In 2024, Dr. Fritzlen wrote 105 Medicare Part D claims for 21 patients. 84% of them were for generic drugs. CMS names the drug for 16 of them, across 1 drug with 11 or more claims each, at $116 in total drug cost. In 2021, CMS named 26 claims across 2 drugs.
Part D claims, 2024105
Drugs named by CMS1
Total drug cost$116
Part D patients21
Dr. Fritzlen's Part D claims by kind of drug, 2024
- Generic88 claims84%
- Brand-name17 claims16%
Dr. Fritzlen'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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 262024: 1638%
Drugs named by CMS: 1 in 2024, 2 in 2021.
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. John T. Fritzlen offers telehealth to Medicare patients
Dr. Fritzlen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fritzlen as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John T. Fritzlen has 5 publications on record
Dmand AI links 5 papers to Dr. Fritzlen, published from 2017 to 2023. The most frequent topics are Heart Failure. Dr. Fritzlen has published most often in J Card Fail. Dr. Fritzlen's most frequent co-authors are Tarun Dalia, MBBS, MD, Andrew J. Sauer, MD and Zubair Iqbal Shah, MD.
Papers5
Years published2017 to 2023
Dr. Fritzlen's papers by year, 2017 to 2023
Topics Dr. Fritzlen writes about most
- Heart Failure
Dr. Fritzlen's most frequent co-authors
- Tarun Dalia, MBBS, MD2 shared papers
- Andrew J. Sauer, MD2 shared papers
- Zubair Iqbal Shah, MD2 shared papers
Recent publications by Dr. Fritzlen
AmyloidosisBenzoxazolesCardiomyopathies
Catheter Cardiovasc Interv
Acute Coronary SyndromeAnticoagulantsBlood Flow Velocity
BiopsyFibrosisGiant Cell Arteritis
Clin Infect Dis
Endocarditis, BacterialLegionnaires' DiseaseWhipple Disease
See who Dr. Fritzlen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fritzlen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John T. Fritzlen received $1,956 in industry payments from 2022 to 2025
CMS Open Payments shows 42 general payments to Dr. Fritzlen from 14 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $961.
General payments to Dr. Fritzlen by program year, 2022 to 2025
Companies that paid Dr. Fritzlen the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John T. Fritzlen graduated from University of Kansas School of Med (KC/Wich/Sal)
Dr. Fritzlen graduated from University of Kansas School of Med (KC/Wich/Sal) in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John T. Fritzlen's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John T. Fritzlen
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 T. Fritzlen's NPI number?
Dr. John T. Fritzlen's NPI number is 1730685553. It was assigned on April 2, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. John T. Fritzlen?
Dr. John T. Fritzlen is an internist in Kansas City, Kansas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John T. Fritzlen practice?
Dr. Fritzlen practices at 4000 Cambridge Street, Kansas City, KS 66160. Dr. Fritzlen's primary practice is The University of Kansas Hospital in Kansas City, Kansas, part of The University of Kansas Health System. Dmand AI also links Dr. Fritzlen to 3 hospitals and 1 medical group.
What is Dr. John T. Fritzlen's office phone number?
The practice phone on file for Dr. Fritzlen is (913) 588-5000.
What is Dr. John T. Fritzlen's medical license number?
Dr. Fritzlen holds Kansas license 04-44413.
Which hospitals is Dr. John T. Fritzlen affiliated with?
Dr. Fritzlen practices at The University of Kansas Hospital in Kansas City, Kansas. Dr. Fritzlen is also affiliated with The University of Kansas Health System Olathe Hospital. Dmand AI links Dr. Fritzlen to 3 more hospitals.
What medical group is Dr. John T. Fritzlen part of?
Dr. Fritzlen is linked to Kansas University Physicians. Dmand AI links Dr. Fritzlen to 1 more medical group.
Does Dr. John T. Fritzlen accept Medicare?
Yes. CMS data shows Dr. Fritzlen billed Medicare for 123 services in 2022, and Dr. Fritzlen accepts Medicare assignment.
Does Dr. John T. Fritzlen offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fritzlen as offering telehealth services.
What services does Dr. John T. Fritzlen bill to Medicare?
In 2022, Dr. Fritzlen's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and office visit, established patient (99214).
Show 6 more questionsShow fewer questions
Where did Dr. John T. Fritzlen go to medical school?
Dr. Fritzlen graduated from University of Kansas School of Med (KC/Wich/Sal) in 2018.
What drugs does Dr. John T. Fritzlen prescribe most?
In 2024 Medicare Part D data, Dr. Fritzlen's most prescribed drugs by claims were Diltiazem 24hr ER (Cd).
Has Dr. John T. Fritzlen received payments from drug or device companies?
CMS Open Payments shows $1,956 in general payments to Dr. Fritzlen from 14 companies from 2022 to 2025. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. John T. Fritzlen been practicing?
Dr. Fritzlen graduated from medical school in 2018, 8 years ago.
Does Dr. John T. Fritzlen do research?
Dmand AI links 5 publications to Dr. Fritzlen, published from 2017 to 2023.
Who does Dr. John T. Fritzlen publish with?
Dr. Fritzlen's most frequent co-authors are Tarun Dalia, MBBS, MD (2 shared papers), Andrew J. Sauer, MD (2 shared papers) and Zubair Iqbal Shah, MD (2 shared papers).
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