Dr. Karen S. Maluf, MD
- Medicare services, 2023
- 4,071
- Part D claims, 2024
- 314
- Hospital affiliations
- 1
- Industry payments
- $393
- Medical group
- 1
- Practice address
- 2220 Iowa Street, Chickasha, OK 73018
- Practice phone
- Call (405) 224-2300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Karen S. Maluf is an internist in Chickasha, Oklahoma
Dr. Maluf practices at Grady Memorial Hospital in Chickasha, Oklahoma, part of Grady Memorial Hospital.
Dr. Maluf's NPI, 1689658601, was assigned on December 2, 2005. Dr. Maluf graduated from University of Oklahoma College of Medicine in 1997. Dr. Maluf holds Oklahoma license 20779.
- NPI
- 1689658601NPI Registry (opens in a new tab)
- NPI enumeration date
- December 2, 2005
- NPI status
- Active
- Practice phone
- (405) 224-2300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Karen S. Maluf practices at Grady Memorial Hospital in Chickasha, Oklahoma
Dr. Maluf's primary practice is Grady Memorial Hospital, at 2220 Iowa Street, Chickasha, OK 73018 in Grady County. The practice phone is (405) 224-2300.
- Grady Memorial Hospital2220 Iowa Street, Chickasha, OK 73018 · Grady CountyPhone(405) 224-2300
Source: Dmand AI Affiliation Data
Dr. Karen S. Maluf is affiliated with 3 sites of care and 1 medical group
Dr. Maluf's primary practice is Grady Memorial Hospital in Chickasha, Oklahoma, part of Grady Memorial Hospital. The medical group on file is CareFirst Wellness Associates. Dmand AI also links Dr. Maluf to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen S. Maluf's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Maluf practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Grady Memorial Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Grady Memorial Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karen S. Maluf is one of 1,018 internists in Oklahoma
Internal medicine is Dr. Maluf's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Maluf is licensed in Oklahoma.
Specialties and state licenses
- Internal medicine, OklahomaPrimary
Internists near Dr. Maluf
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. Karen S. Maluf billed Medicare for 4,071 services in 2023
CMS data shows 4,071 Medicare services from Dr. Maluf across 27 procedure codes in 2023. Medicare paid $117,258 for them. Every service was in an office.
Dr. Maluf's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Lab and pathology
- 2022: 12,1042023: 2,36081%
- Office and hospital visits
- 2022: 1,2062023: 1,32110%
- Other services
- 2022: 9952023: 28771%
- Tests and treatments
- 2022: 2322023: 9260%
- Imaging
- 2022: 622023: 1182%
Dr. Maluf compared with the Oklahoma median for internists, 2023
- Dr. Maluf
- Oklahoma median
- Medicare services
- 4,071vs 6366.4 times
- Part D claims
- 121vs 28257% below
Medians across 969 internists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Maluf's most billed Medicare procedure codes, 2023
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. Maluf?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Maluf and other internists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen S. Maluf's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Maluf's median patient age at 65, with 61% women.
Dr. Maluf's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Karen S. Maluf wrote 314 Medicare Part D claims in 2024
In 2024, Dr. Maluf wrote 314 Medicare Part D claims for 104 patients. 78% of them were for generic drugs. CMS names the drug for 121 of them, across 9 drugs with 11 or more claims each, at $1,105 in total drug cost. In 2023, CMS named 2,850 claims across 64 drugs.
Dr. Maluf's Part D claims by kind of drug, 2024
- Generic245 claims78%
- Brand-name and other69 claims22%
Dr. Maluf'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: 2,8502024: 12196%
Drugs named by CMS: 9 in 2024, 64 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
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Dr. Karen S. Maluf received $393 in industry payments from 2016 to 2024
CMS Open Payments shows 24 general payments to Dr. Maluf from 9 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 99% of the total. Amgen Inc. paid the most, $149.
General payments to Dr. Maluf by program year, 2016 to 2024
General payments to Dr. Maluf by kind, 2016 to 2024
- Food and beverage$38899%
- Education$51%
Companies that paid Dr. Maluf the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen S. Maluf graduated from University of Oklahoma College of Medicine
Dr. Maluf graduated from University of Oklahoma College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen S. Maluf'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) |
| 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. Karen S. Maluf
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What is Dr. Karen S. Maluf's NPI number?
Dr. Karen S. Maluf's NPI number is 1689658601. It was assigned on December 2, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen S. Maluf?
Dr. Karen S. Maluf is an internist in Chickasha, Oklahoma. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karen S. Maluf practice?
Dr. Maluf practices at 2220 Iowa Street, Chickasha, OK 73018. Dr. Maluf's primary practice is Grady Memorial Hospital in Chickasha, Oklahoma, part of Grady Memorial Hospital. Dmand AI also links Dr. Maluf to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Karen S. Maluf's office phone number?
The practice phone on file for Dr. Maluf is (405) 224-2300.
What is Dr. Karen S. Maluf's medical license number?
Dr. Maluf holds Oklahoma license 20779.
Which hospitals is Dr. Karen S. Maluf affiliated with?
Dr. Maluf practices at Grady Memorial Hospital in Chickasha, Oklahoma.
What medical group is Dr. Karen S. Maluf part of?
Dr. Maluf is linked to CareFirst Wellness Associates.
Does Dr. Karen S. Maluf accept Medicare?
Yes. CMS data shows Dr. Maluf billed Medicare for 4,071 services in 2023.
What services does Dr. Karen S. Maluf bill to Medicare?
In 2023, Dr. Maluf's most billed Medicare services were lab and pathology test (85025), care management and other visits (99490) and lab and pathology test (80053).
Where did Dr. Karen S. Maluf go to medical school?
Dr. Maluf graduated from University of Oklahoma College of Medicine in 1997.
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What drugs does Dr. Karen S. Maluf prescribe most?
In 2024 Medicare Part D data, Dr. Maluf's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Citalopram HBr.
Has Dr. Karen S. Maluf received payments from drug or device companies?
CMS Open Payments shows $393 in general payments to Dr. Maluf from 9 companies from 2016 to 2024. The largest total came from Amgen Inc.
How long has Dr. Karen S. Maluf been practicing?
Dr. Maluf graduated from medical school in 1997, 29 years ago.
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