Physician Profile
Unclaimed ProfileAbout JOHNS
Based in Cincinnati, OH, Mark E Johns, MD is listed in the NPI registry under hematology/oncology. Mark graduated from Ohio State University College of Medicine in 2001. Mark is also listed as specialising in medical oncology and hematology & oncology.
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 is Dr. Johns's specialty?
Dr. Johns is a hematology/oncology in Cincinnati, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “HEMATOLOGY/ONCOLOGY”.
NPI registry
Where can I find Dr. Johns?
Dr. Johns is listed at 601 IVY GTWY STE 1100, Cincinnati, OH 45245. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Johns?
The number on file is (513) 751-2273. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johns's NPI number?
Dr. Johns's National Provider Identifier is 1407040884. 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
What is Dr. Johns's medical education?
Dr. Johns attended Ohio State University College of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johns been practising?
Dr. Johns has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Johns known for?
According to Medicare billing data, Dr. Johns provides treatments such as administration of chemotherapy into vein, 1 hour or less and infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johns confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johns. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (513) 751-2273
- Email not available
Practice Locations
601 IVY GTWY STE 1100
Cincinnati, OH 45245
Procedures Most Often Billed to Medicare
61,794 services · 2,325 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
459 |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
295 |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
274 |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
10,050 |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
9,800 |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
7,800 |
| Injection, docetaxel, 1 mg | Drug given | J9171 |
4,441 |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
2,824 |
| Injection, ferric derisomaltose, 10 mg | Drug given | J1437 |
2,500 |
| Injection, palonosetron hcl, 25 mcg | Drug given | J2469 |
1,400 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology/oncology specialists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 31 related providers in 4 groups
Other hematology/oncology specialists in Cincinnati 8
Same specialty, same city.
Trained at Ohio State University College of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of chemotherapy into vein, 1 hour or less 8
Providers in OH who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.