Doctor profile · Federal record
Dr. Katherine Williams, P.A.
Physician Assistant · Oklahoma City, OK
- NPI 1013155126
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1801 N Broadway Ave
Oklahoma City, OK 731033446
(405) 528-1936
Credentials & registration
- NPI registered
- January 2009 — 17 yrs on file
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- Oklahoma #1793
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013155126. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
530
Distinct HCPCS
10
Medicare allowed
$21,151
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 146 | 122 | $71 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 75 | 18 | $0 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 55 | 48 | $16 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 52 | 52 | $89 | |
87811 |
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 41 | 38 | $41 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 34 | 17 | $16 | |
96372 |
Injection of drug or substance under skin or into muscle | 33 | 19 | $11 | |
87400 |
Detection test by immunoassay technique for influenza virus | 26 | 12 | $14 | |
81002 |
Urinalysis, manual test | 21 | 19 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $101 |
In context: peer comparison
Among 153 peers in Oklahoma City Physician Assistant, average services per provider: 162. This provider delivers 3.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
185
Patients
172
Total drug cost
$1,872
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 39 | 39 | $189 |
| Azithromycin | Generic | 31 | 31 | $129 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 25 | 24 | $270 |
| Cephalexin | Generic | 24 | 23 | $180 |
| Doxycycline Hyclate | Generic | 17 | 17 | $285 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 15 | 15 | $234 |
| Prednisone | Generic | 12 | 12 | $17 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 11 | 0 | $281 |
| Cefdinir | Generic | 11 | 11 | $290 |
Frequently asked questions
What is Dr. Katherine Williams's medical specialty?
Dr. Katherine Williams practices Physician Assistant in Oklahoma City, OK.
Where does Dr. Katherine Williams practice?
Dr. Katherine Williams practices at 1801 N Broadway Ave, Oklahoma City, OK 731033446. Office phone: 4055281936.
What is Dr. Katherine Williams's NPI?
Dr. Katherine Williams's National Provider Identifier (NPI) is 1013155126, issued by NPPES.
Does Dr. Katherine Williams accept Medicare assignment?
Yes. Dr. Katherine Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880). Source: CMS Medicare Physician & Other Practitioners file.