Dr. Marek Oferczak Jr., MD
- Medicare services, 2024
- 884
- Medicare patients, 2024
- 482
- Part D claims, 2024
- 57
- MIPS score, 2024
- 96
- Hospital affiliations
- 1
- Practice address
- 2408 East 81st Street, Suite 300, Tulsa, OK 74137
- Practice phone
- Call (918) 477-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oferczak'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. Marek Oferczak Jr. is a hospitalist in Tulsa, Oklahoma
Dr. Oferczak practices at Oklahoma Surgical Hospital in Tulsa, Oklahoma, part of Oklahoma Surgical Hospital.
Dr. Oferczak's NPI, 1811301062, was assigned on June 16, 2014. Dr. Oferczak holds Oklahoma license 32811.
- NPI
- 1811301062NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769754167
- NPI enumeration date
- June 16, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (918) 477-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marek Oferczak Jr. practices at Oklahoma Surgical Hospital in Tulsa, Oklahoma
Dr. Oferczak's primary practice is Oklahoma Surgical Hospital, at 2408 East 81st Street, Suite 300, Tulsa, OK 74137 in Tulsa County. The practice phone is (918) 477-5000.
- Oklahoma Surgical Hospital2408 East 81st Street, Suite 300, Tulsa, OK 74137 · Tulsa CountyPhone(918) 477-5000
Source: Dmand AI Affiliation Data
Dr. Marek Oferczak Jr. is affiliated with 4 sites of care and 3 medical groups
Dr. Oferczak's primary practice is Oklahoma Surgical Hospital in Tulsa, Oklahoma, part of Oklahoma Surgical Hospital. The medical group on file is THI Specialists LLC. Dmand AI also links Dr. Oferczak to 3 more group practices and clinics and 2 medical groups, 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. Marek Oferczak Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oferczak practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oklahoma Surgical Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Oklahoma Surgical Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Marek Oferczak Jr. is one of 226 hospitalists in Oklahoma
Hospitalist is Dr. Oferczak's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Oferczak is licensed in Oklahoma.
Specialties and state licenses
- Hospitalist, OklahomaPrimary
Hospitalists near Dr. Oferczak
Counts of hospitalists 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. Marek Oferczak Jr. billed Medicare for 884 services in 2024
CMS data shows 884 Medicare services from Dr. Oferczak across 4 procedure codes in 2024, for 482 Medicare patients. Medicare paid $97,513 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oferczak's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9792024: 88410%
Dr. Oferczak compared with the Oklahoma median for hospitalists, 2024
- Dr. Oferczak
- Oklahoma median
- Medicare services
- 884vs 64936% above
- Medicare patients
- 482vs 27476% above
- Part D claims
- 39vs 7850% below
Medians across 221 hospitalists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Oferczak'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. Marek Oferczak Jr. treated 482 Medicare patients in 2024, average age 73
CMS counts 482 Medicare patients who saw Dr. Oferczak in 2024. The largest group is 65 to 74, with 257 patients. 75% of them have arthritis, and 75% have high blood pressure. 5% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Oferczak's median patient age at 68, with 56% women.
Dr. Oferczak's Medicare patients by age, 2024
Dr. Oferczak's Medicare patients by sex, 2024
- Women26355%
- Men21945%
Chronic conditions among Dr. Oferczak's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety33%
- Ischemic heart disease33%
- Mood disorders33%
- Depression32%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oferczak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marek Oferczak Jr. wrote 57 Medicare Part D claims in 2024
In 2024, Dr. Oferczak wrote 57 Medicare Part D claims for 30 patients. 86% of them were for generic drugs. CMS names the drug for 39 of them, across 3 drugs with 11 or more claims each, at $242 in total drug cost. In 2017, CMS named 422 claims across 19 drugs.
Dr. Oferczak's Part D claims by kind of drug, 2024
- Generic49 claims86%
- Brand-name and other8 claims14%
Dr. Oferczak's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 4222019: 3991%
Drugs named by CMS: 3 in 2019, 19 in 2017.
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. Marek Oferczak Jr. scored 96 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Oferczak for performance year 2024, reported individually. Dr. Oferczak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Oferczak's MIPS scores, performance year 2024
- 96of 100Final score
- 92.5of 100Quality
- 40of 100Improvement Activities
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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Dr. Marek Oferczak Jr. received $78 in industry payments from 2017 to 2018
CMS Open Payments shows 4 general payments to Dr. Oferczak from 4 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Valeant Pharmaceuticals International paid the most, $24.
General payments to Dr. Oferczak by program year, 2017 to 2018
Companies that paid Dr. Oferczak the most, 2017 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marek Oferczak Jr.'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 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)Clinician Public Reporting: Overall MIPS Performance (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. Marek Oferczak Jr.
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. Marek Oferczak Jr.'s NPI number?
Dr. Marek Oferczak Jr.'s NPI number is 1811301062. It was assigned on June 16, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Marek Oferczak Jr.?
Dr. Marek Oferczak Jr. is a hospitalist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Marek Oferczak Jr. practice?
Dr. Oferczak practices at 2408 East 81st Street, Suite 300, Tulsa, OK 74137. Dr. Oferczak's primary practice is Oklahoma Surgical Hospital in Tulsa, Oklahoma, part of Oklahoma Surgical Hospital. Dmand AI also links Dr. Oferczak to 3 group practices and clinics and 2 medical groups.
What is Dr. Marek Oferczak Jr.'s office phone number?
The practice phone on file for Dr. Oferczak is (918) 477-5000.
What is Dr. Marek Oferczak Jr.'s medical license number?
Dr. Oferczak holds Oklahoma license 32811.
Which hospitals is Dr. Marek Oferczak Jr. affiliated with?
Dr. Oferczak practices at Oklahoma Surgical Hospital in Tulsa, Oklahoma.
What medical group is Dr. Marek Oferczak Jr. part of?
Dr. Oferczak is linked to THI Specialists LLC. Dmand AI links Dr. Oferczak to 2 more medical groups.
Does Dr. Marek Oferczak Jr. accept Medicare?
Yes. CMS data shows Dr. Oferczak billed Medicare for 884 services in 2024, and Dr. Oferczak accepts Medicare assignment.
What is Dr. Marek Oferczak Jr.'s MIPS score?
Dr. Oferczak's MIPS final score for performance year 2024 is 96 out of 100, reported individually.
How many Medicare patients does Dr. Marek Oferczak Jr. see?
CMS counts 482 Medicare patients who saw Dr. Oferczak in 2024, with an average age of 73.
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What services does Dr. Marek Oferczak Jr. bill to Medicare?
In 2024, Dr. Oferczak's most billed Medicare services were hospital inpatient care (99233), office visit, new patient (99205) and office visit, established patient (99215).
What drugs does Dr. Marek Oferczak Jr. prescribe most?
In 2019 Medicare Part D data, Dr. Oferczak's most prescribed drugs by claims were Amlodipine Besylate, Furosemide and Isosorbide Mononitrate ER.
Has Dr. Marek Oferczak Jr. received payments from drug or device companies?
CMS Open Payments shows $78 in general payments to Dr. Oferczak from 4 companies from 2017 to 2018. The largest total came from Valeant Pharmaceuticals International.
How long has Dr. Marek Oferczak Jr. been practicing?
Dr. Oferczak graduated from medical school in 2014, 12 years ago.
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