Doctor profile · Federal record
Dr. Katherine Exten, M.D.
Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Mansfield, OH
- NPI 1982996237
- Accepts Medicare
- MIPS 81.3 / 100 · 2023
- 15 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
335 Glessner Ave
Mansfield, OH 449032269
(419) 756-2003 - Mailing address
-
840 S Wood St Ste 820-E
Chicago, IL 606124325
Credentials & registration
- NPI registered
- May 2011 — 15 yrs on file
- Profile last updated
- January 25, 2022
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State licenses (2)
- Ohio #35131800 · Illinois #036.134806
- Medicaid
- OH #0233087
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982996237. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
916
Distinct HCPCS
6
Medicare allowed
$115,230
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 686 | 285 | $123 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 86 | 35 | $117 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 68 | 63 | $169 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $162 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 21 | 20 | $87 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 20 | 14 | $78 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 209. This provider delivers 4.4× the peer median.Open Payments
Industry payments received
All-time total
$72
Transactions
4
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eisai Inc. | 4 | $72.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,491
Patients
439
Total drug cost
$2,093,418
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 269 | 69 | $5,239 |
| Tamoxifen Citrate | Generic | 166 | 37 | $6,141 |
| Prochlorperazine Maleate | Generic | 126 | 89 | $1,961 |
| Potassium Chloride | Generic | 111 | 34 | $2,264 |
| Dexamethasone | Generic | 109 | 47 | $1,961 |
| Levothyroxine Sodium | Generic | 102 | 15 | $954 |
| Gabapentin | Generic | 90 | 23 | $1,167 |
| Hydroxyurea | Generic | 83 | 25 | $2,522 |
| Acyclovir | Generic | 81 | 16 | $1,366 |
| Ondansetron Hcl | Generic | 72 | 43 | $1,116 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Exten's medical specialty?
Dr. Katherine Exten practices Hematology & Oncology Physician in Mansfield, OH.
Where does Dr. Katherine Exten practice?
Dr. Katherine Exten practices at 335 Glessner Ave, Mansfield, OH 449032269. Office phone: 4197562003.
What is Dr. Katherine Exten's NPI?
Dr. Katherine Exten's National Provider Identifier (NPI) is 1982996237, issued by NPPES.
Does Dr. Katherine Exten accept Medicare assignment?
Yes. Dr. Katherine Exten accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Exten commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.