Dr. Matthew B. Kallenberger, DO
- Medicare services, 2024
- 561
- Medicare patients, 2024
- 173
- Part D claims, 2024
- 106
- Hospital affiliations
- 2
- Industry payments
- $24
- Practice address
- 1200 Childrens Ave, Oklahoma City, OK 73104
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ou Medical Center-The Children's Ho - Rad CT - HOPD
Acute Care Hospital outpatient department · Oklahoma City, Oklahoma
Find Dr. Kallenberger's professional email, personal email and mobile number
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Dr. Matthew B. Kallenberger is an internist in Oklahoma City, Oklahoma
Dr. Kallenberger practices at Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma.
Dr. Kallenberger's NPI, 1427493436, was assigned on May 3, 2013. Dr. Kallenberger holds Oklahoma license 5895.
- NPI
- 1427493436NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244522910
- NPI enumeration date
- May 3, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew B. Kallenberger practices at Ou Medical Center-the Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma
Dr. Kallenberger's primary practice is Ou Medical Center-the Children's Ho - Rad CT - HOPD, at 1200 Childrens Ave, Oklahoma City, OK 73104.
- Ou Medical Center-the Children's Ho - Rad CT - HOPD1200 Childrens Ave, Oklahoma City, OK 73104
Source: Dmand AI Affiliation Data
Dr. Matthew B. Kallenberger is affiliated with 3 sites of care and 2 medical groups
Dr. Kallenberger's primary practice is Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma. Dr. Kallenberger is also affiliated with OU Health University of Oklahoma Medical Center. The medical group on file is OU Health. Dmand AI also links Dr. Kallenberger to 1 more hospital and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew B. Kallenberger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kallenberger practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ou Medical Center-The Children's Ho - Rad CT - HOPD | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew B. Kallenberger is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Kallenberger's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Kallenberger is licensed in Oklahoma.
Specialties and state licenses
- Internal medicine, OklahomaPrimary
Internists near Dr. Kallenberger
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
Dr. Matthew B. Kallenberger billed Medicare for 561 services in 2024
CMS data shows 561 Medicare services from Dr. Kallenberger across 5 procedure codes in 2024, for 173 Medicare patients. Medicare paid $36,920 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kallenberger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6222024: 56110%
Dr. Kallenberger compared with the Oklahoma median for internists, 2024
- Dr. Kallenberger
- Oklahoma median
- Medicare services
- 561vs 63612% below
- Medicare patients
- 173vs 24329% below
- Part D claims
- 13vs 28295% below
Medians across 969 internists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Kallenberger'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew B. Kallenberger treated 173 Medicare patients in 2024, average age 71
CMS counts 173 Medicare patients who saw Dr. Kallenberger in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 35% are also on Medicaid. Their average risk score is 3.00, 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. Kallenberger's median patient age at 72, with 55% women.
Dr. Kallenberger's Medicare patients by age, 2024
Dr. Kallenberger's Medicare patients by sex, 2024
- Women8147%
- Men9253%
Chronic conditions among Dr. Kallenberger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes60%
- Arthritis57%
- Mood disorders57%
- Depression55%
- Chronic kidney disease53%
- Anxiety51%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kallenberger'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
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew B. Kallenberger wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Kallenberger wrote 106 Medicare Part D claims for 43 patients. 89% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $5 in total drug cost. In 2023, CMS named 41 claims across 3 drugs.
Dr. Kallenberger's Part D claims by kind of drug, 2024
- Generic94 claims89%
- Brand-name12 claims11%
Dr. Kallenberger'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. Kallenberger's Part D claims, 2024
- Antibiotics21%22 of 106 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: 412024: 1368%
Drugs named by CMS: 1 in 2024, 3 in 2023.
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. Matthew B. Kallenberger takes part in Medicare
Dr. Kallenberger 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. Matthew B. Kallenberger received $24 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Kallenberger from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $24.
Companies that paid Dr. Kallenberger the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew B. Kallenberger'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Matthew B. Kallenberger
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. Matthew B. Kallenberger's NPI number?
Dr. Matthew B. Kallenberger's NPI number is 1427493436. It was assigned on May 3, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew B. Kallenberger?
Dr. Matthew B. Kallenberger is an internist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Matthew B. Kallenberger practice?
Dr. Kallenberger practices at 1200 Childrens Ave, Oklahoma City, OK 73104. Dr. Kallenberger's primary practice is Ou Medical Center-The Children's Ho - Rad CT - HOPD in Oklahoma City, Oklahoma. Dmand AI also links Dr. Kallenberger to 1 hospital and 1 medical group.
What is Dr. Matthew B. Kallenberger's medical license number?
Dr. Kallenberger holds Oklahoma license 5895.
Which hospitals is Dr. Matthew B. Kallenberger affiliated with?
Dr. Kallenberger is affiliated with OU Health University of Oklahoma Medical Center. Dmand AI links Dr. Kallenberger to 1 more hospital.
What medical group is Dr. Matthew B. Kallenberger part of?
Dr. Kallenberger is linked to OU Health. Dmand AI links Dr. Kallenberger to 1 more medical group.
Does Dr. Matthew B. Kallenberger accept Medicare?
Yes. CMS data shows Dr. Kallenberger billed Medicare for 561 services in 2024, and Dr. Kallenberger accepts Medicare assignment.
How many Medicare patients does Dr. Matthew B. Kallenberger see?
CMS counts 173 Medicare patients who saw Dr. Kallenberger in 2024, with an average age of 71.
What services does Dr. Matthew B. Kallenberger bill to Medicare?
In 2024, Dr. Kallenberger's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99238).
What drugs does Dr. Matthew B. Kallenberger prescribe most?
In 2024 Medicare Part D data, Dr. Kallenberger's most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. Matthew B. Kallenberger received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. Kallenberger from 1 company from 2017 to 2017. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Matthew B. Kallenberger been practicing?
Dr. Kallenberger graduated from medical school in 2013, 13 years ago.
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