Doctor profile · Federal record
Dr. Robert Exten, MD
Hematology (Internal Medicine) Physician · Hematology & Oncology Physician · Lima, OH
- NPI 1205832375
- MIPS 81.3 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
803 W Market St Ste 200
Lima, OH 458052796
(419) 222-3737
fax (419) 229-3234 - Additional location
-
1510 Columbus Ave Ste 130
Washington Court House, OH 431601986
(740) 333-2878 - Mailing address
-
475 Lexington Ave
Mansfield, OH 449071501
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 21, 2023
- Specialty taxonomy
- 207RH0000X — NUCC code
- State licenses (2)
- Ohio #35.038459 · Ohio #35038459E
- Medicaid
- OH #0519460
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205832375. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
405
Distinct HCPCS
3
Medicare allowed
$43,118
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 296 | 179 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 75 | 65 | $78 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 34 | 34 | $142 |
In context: peer comparison
Among 1 peers in Lima Hematology (Internal Medicine) Physician, average services per provider: 135. This provider delivers 3.0× the peer median.Open Payments
Industry payments received
All-time total
$29
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Jazz Pharmaceuticals INC. | 1 | $14.52 | |
| Incyte Corporation | 1 | $14.51 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
382
Patients
124
Total drug cost
$457,743
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Letrozole | Generic | 52 | 14 | $1,429 |
| Acyclovir | Generic | 39 | 11 | $399 |
| Anastrozole | Generic | 38 | 15 | $1,044 |
| Eliquis (Apixaban) | Brand | 30 | 0 | $23,885 |
| Abiraterone Acetate | Generic | 27 | 0 | $127,887 |
| Prednisone | Generic | 26 | 14 | $165 |
| Ondansetron Hcl | Generic | 25 | 19 | $681 |
| Tamoxifen Citrate | Generic | 21 | 11 | $454 |
| Xtandi (Enzalutamide) | Brand | 21 | 0 | $300,134 |
| Potassium Chloride | Generic | 20 | 0 | $466 |
Frequently asked questions
What is Dr. Robert Exten's medical specialty?
Dr. Robert Exten practices Hematology (Internal Medicine) Physician in Lima, OH.
Where does Dr. Robert Exten practice?
Dr. Robert Exten practices at 803 W Market St Ste 200, Lima, OH 458052796. Office phone: 4192223737.
What is Dr. Robert Exten's NPI?
Dr. Robert Exten's National Provider Identifier (NPI) is 1205832375, issued by NPPES.
What procedures does Dr. Robert Exten commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.