Doctor profile · Federal record
Dr. Derek Irwin, MD
Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Oklahoma City, OK
- NPI 1184603300
- Accepts Medicare
- 31 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
225 Ne 97Th St
Oklahoma City, OK 731146302
(405) 842-2061
fax (405) 842-3146 - Mailing address
-
14275 Midway RD, Suite 400
Addison, TX 750013614
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- July 1, 2015
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- Oklahoma #19794
- Medicaid (2)
- AR #154966001 · OK #100824700A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184603300. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
710
Distinct HCPCS
8
Medicare allowed
$25,454
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 449 | 226 | $34 | |
88307 |
Pathology examination of tissue using a microscope, moderately high complexity | 68 | 58 | $72 | |
88341 |
Special stained specimen slides to examine tissue, each additional procedure | 51 | 14 | $26 | |
88313 |
Special stained specimen slides to examine tissue including interpretation and report | 47 | 15 | $11 | |
88304 |
Pathology examination of tissue using a microscope, moderately low complexity | 45 | 41 | $10 | |
88342 |
Special stained specimen slides to examine tissue, initial procedure | 23 | 21 | $32 | |
88309 |
Pathology examination of tissue using a microscope, high complexity | 15 | 13 | $128 | |
88311 |
Preparation of tissue for examination by removing any calcium present | 12 | 12 | $12 |
In context: peer comparison
Among 13 peers in this city , average services per provider: 159. This provider delivers 4.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Derek Irwin's medical specialty?
Dr. Derek Irwin practices Anatomic Pathology & Clinical Pathology Physician in Oklahoma City, OK.
Where does Dr. Derek Irwin practice?
Dr. Derek Irwin practices at 225 Ne 97Th St, Oklahoma City, OK 731146302. Office phone: 4058422061.
What is Dr. Derek Irwin's NPI?
Dr. Derek Irwin's National Provider Identifier (NPI) is 1184603300, issued by NPPES.
Does Dr. Derek Irwin accept Medicare assignment?
Yes. Dr. Derek Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Irwin commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341). Source: CMS Medicare Physician & Other Practitioners file.