Physician Profile
Unclaimed ProfileAbout OLSEN
Mark Roger Olsen, M.D. is a healthcare provider in Tulsa, OK specialising in medical oncology. Mark trained at University of Wisconsin School of Medicine, graduating in 1992. Mark is also listed as specialising in hematology & oncology. According to Medicare claims data, Mark cared for 2,319 Medicare patients across 152,311 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. Olsen?
Dr. Olsen is a medical oncology in Tulsa, OK. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “MEDICAL ONCOLOGY”.
NPI registry
What is Dr. Olsen's address?
Dr. Olsen is listed at 12697 E 51ST ST, Tulsa, OK 74146. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Olsen?
The number on file is (918) 505-3200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Olsen's NPI number?
Dr. Olsen's National Provider Identifier is 1356382592. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Olsen train?
Dr. Olsen attended University of Wisconsin School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Olsen been practising?
Dr. Olsen has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Olsen perform?
According to Medicare billing data, Dr. Olsen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Olsen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Olsen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (918) 505-3200
- Email not available
Practice Locations
12697 E 51ST ST
Tulsa, OK 74146
Procedures Most Often Billed to Medicare
152,311 services · 2,319 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
18,000 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
15,600 |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
14,738 |
| Injection, nivolumab, 1 mg | Drug given | J9299 |
11,440 |
| Injection, granisetron, extended-release, 0.1 mg | Drug given | J1627 |
10,000 |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
9,900 |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
7,920 |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
7,800 |
| Injection, paclitaxel protein-bound particles, 1 mg | Drug given | J9264 |
5,800 |
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Drug given | J0881 |
3,870 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other medical oncology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 21 related providers in 3 groups
Other medical oncology specialists in Tulsa 5
Same specialty, same city.
Trained at University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at University of Wisconsin School of Medicine 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.