Doctor profile · Federal record
Dr. Thomas Showalter, D.O.
Internal Medicine Physician (CMS: Medical Oncology) · Oklahoma City, OK
- NPI 1780853358
- Accepts Medicare
- MIPS 77.7 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5915 W Memorial RD, Suite 200
Oklahoma City, OK 731422021
(405) 773-6400
fax (405) 621-5441 - Mailing address
-
5300 N Independence Ave, Suite 280
Oklahoma City, OK 731125556
Credentials & registration
- NPI registered
- February 2008 — 18 yrs on file
- Profile last updated
- June 27, 2017
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Oklahoma #4869
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780853358. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,038
Distinct HCPCS
10
Medicare allowed
$113,248
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 378 | 208 | $93 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 294 | 120 | $135 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 125 | 53 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 76 | 70 | $63 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 72 | 72 | $174 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $167 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 24 | 18 | $115 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $125 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 12 | 11 | $48 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $128 |
In context: peer comparison
Among 90 peers in Oklahoma City Internal Medicine Physician, average services per provider: 133. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$108
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $83.86 | |
| Sumitomo Pharma America, INC. | 1 | $23.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
847
Patients
265
Total drug cost
$1,472,272
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 112 | 33 | $1,416 |
| Potassium Chloride | Generic | 71 | 22 | $1,344 |
| Prednisone | Generic | 70 | 28 | $622 |
| Ondansetron Odt (Ondansetron) | Brand | 69 | 44 | $1,656 |
| Xtandi (Enzalutamide) | Brand | 68 | 14 | $949,660 |
| Oxycodone Hcl | Generic | 58 | 19 | $945 |
| Eliquis (Apixaban) | Brand | 57 | 14 | $49,611 |
| Gabapentin | Generic | 54 | 13 | $380 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 54 | 29 | $1,180 |
| Furosemide | Generic | 47 | 20 | $211 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Showalter's medical specialty?
Dr. Thomas Showalter practices Internal Medicine Physician in Oklahoma City, OK.
Where does Dr. Thomas Showalter practice?
Dr. Thomas Showalter practices at 5915 W Memorial RD, Oklahoma City, OK 731422021. Office phone: 4057736400.
What is Dr. Thomas Showalter's NPI?
Dr. Thomas Showalter's National Provider Identifier (NPI) is 1780853358, issued by NPPES.
Does Dr. Thomas Showalter accept Medicare assignment?
Yes. Dr. Thomas Showalter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Showalter 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 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.