Dr. Derek A. Irwin, MD
- Medicare services, 2024
- 932
- Medicare patients, 2024
- 385
- Hospital affiliations
- 5
- Industry payments
- $749
- Medical groups
- 2
- Practice address
- 3300 Northwest Expressway, Oklahoma City, OK 73112
- Practice phone
- Call (405) 949-3011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Irwin'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. Derek A. Irwin is a pathologist in Oklahoma City, Oklahoma
Dr. Irwin practices at INTEGRIS Health Baptist Medical Center in Oklahoma City, Oklahoma, part of INTEGRIS Health.
Dr. Irwin's NPI, 1184603300, was assigned on January 16, 2006. Dr. Irwin graduated from University of Oklahoma College of Medicine in 1995. Dr. Irwin holds Oklahoma license 19794.
- NPI
- 1184603300NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729983341
- NPI enumeration date
- January 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (405) 949-3011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek A. Irwin practices at INTEGRIS Health Baptist Medical Center in Oklahoma City, Oklahoma
Dr. Irwin's primary practice is INTEGRIS Health Baptist Medical Center, at 3300 Northwest Expressway, Oklahoma City, OK 73112 in Oklahoma County. The practice phone is (405) 949-3011.
- INTEGRIS Health Baptist Medical Center3300 Northwest Expressway, Oklahoma City, OK 73112 · Oklahoma CountyPhone(405) 949-3011
Source: Dmand AI Affiliation Data
Dr. Derek A. Irwin is affiliated with 6 sites of care and 2 medical groups
Dr. Irwin's primary practice is INTEGRIS Health Baptist Medical Center in Oklahoma City, Oklahoma, part of INTEGRIS Health. Dr. Irwin is also affiliated with OU Health University of Oklahoma Medical Center. The medical group on file is Diagnostic Pathology Services. Dmand AI also links Dr. Irwin to 3 more hospitals, 1 group practice or clinic and 1 medical group, 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. Derek A. Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| INTEGRIS Health Baptist Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Derek A. Irwin is one of 110 pathologists in Oklahoma
Anatomic pathology and clinical pathology is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Irwin is licensed in Oklahoma.
Specialties and state licenses
- Anatomic pathology and clinical pathology, OklahomaPrimary
Pathologists near Dr. Irwin
Counts of pathologists 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. Derek A. Irwin billed Medicare for 932 services in 2024
CMS data shows 932 Medicare services from Dr. Irwin across 8 procedure codes in 2024, for 385 Medicare patients. Medicare paid $26,243 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Irwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 7102024: 93231%
Dr. Irwin compared with the Oklahoma median for pathologists, 2024
- Dr. Irwin
- Oklahoma median
- Medicare services
- 932vs 1,71646% below
- Medicare patients
- 385vs 65641% below
Medians across 104 pathologists in Oklahoma with Dmand AI profiles that report each measure.
Dr. Irwin'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.
Need commercial claims for Dr. Irwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Irwin and other pathologists in Oklahoma.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek A. Irwin treated 385 Medicare patients in 2024, average age 72
CMS counts 385 Medicare patients who saw Dr. Irwin in 2024. The largest group is 65 to 74, with 202 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.85, 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. Irwin's median patient age at 37, with 73% women.
Dr. Irwin's Medicare patients by age, 2024
Dr. Irwin's Medicare patients by sex, 2024
- Women21656%
- Men16944%
Chronic conditions among Dr. Irwin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes41%
- Ischemic heart disease40%
- Chronic kidney disease35%
- Mood disorders30%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Irwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Derek A. Irwin takes part in Medicare
Dr. Irwin 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. Derek A. Irwin received $749 in industry payments from 2016 to 2025
CMS Open Payments shows 40 general payments to Dr. Irwin from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Roche Diagnostics Corporation paid the most, $127.
General payments to Dr. Irwin by program year, 2016 to 2025
Companies that paid Dr. Irwin the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Derek A. Irwin graduated from University of Oklahoma College of Medicine
Dr. Irwin graduated from University of Oklahoma College of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek A. Irwin'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) |
| 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) |
| 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. Derek A. Irwin
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. Derek A. Irwin's NPI number?
Dr. Derek A. Irwin's NPI number is 1184603300. It was assigned on January 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek A. Irwin?
Dr. Derek A. Irwin is a pathologist in Oklahoma City, Oklahoma. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Derek A. Irwin practice?
Dr. Irwin practices at 3300 Northwest Expressway, Oklahoma City, OK 73112. Dr. Irwin's primary practice is INTEGRIS Health Baptist Medical Center in Oklahoma City, Oklahoma, part of INTEGRIS Health. Dmand AI also links Dr. Irwin to 3 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Derek A. Irwin's office phone number?
The practice phone on file for Dr. Irwin is (405) 949-3011.
What is Dr. Derek A. Irwin's medical license number?
Dr. Irwin holds Oklahoma license 19794.
Which hospitals is Dr. Derek A. Irwin affiliated with?
Dr. Irwin practices at INTEGRIS Health Baptist Medical Center in Oklahoma City, Oklahoma. Dr. Irwin is also affiliated with OU Health University of Oklahoma Medical Center. Dmand AI links Dr. Irwin to 3 more hospitals.
What medical group is Dr. Derek A. Irwin part of?
Dr. Irwin is linked to Diagnostic Pathology Services. Dmand AI links Dr. Irwin to 1 more medical group.
Does Dr. Derek A. Irwin accept Medicare?
Yes. CMS data shows Dr. Irwin billed Medicare for 932 services in 2024, and Dr. Irwin accepts Medicare assignment.
How many Medicare patients does Dr. Derek A. Irwin see?
CMS counts 385 Medicare patients who saw Dr. Irwin in 2024, with an average age of 72.
What services does Dr. Derek A. Irwin bill to Medicare?
In 2024, Dr. Irwin's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88307).
Show 3 more questionsShow fewer questions
Where did Dr. Derek A. Irwin go to medical school?
Dr. Irwin graduated from University of Oklahoma College of Medicine in 1995.
Has Dr. Derek A. Irwin received payments from drug or device companies?
CMS Open Payments shows $749 in general payments to Dr. Irwin from 19 companies from 2016 to 2025. The largest total came from Roche Diagnostics Corporation.
How long has Dr. Derek A. Irwin been practicing?
Dr. Irwin graduated from medical school in 1995, 31 years ago.
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