Doctor profile · Federal record
Dr. Mary Withoelter, Nurse Practitioner
Nurse Practitioner · Family Nurse Practitioner · Ofallon, MO
- NPI 1982188389
- Accepts Medicare
- MIPS 54.7 / 100 · 2023
- 8 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2630 State Highway K
Ofallon, MO 63368
(636) 980-5300
fax (636) 980-5344 - Additional location
-
9556 Manchester RD
Saint Louis, MO 631191313
(314) 373-5740 - Mailing address
-
Po Box 959354
Saint Louis, MO 631959354
Credentials & registration
- NPI registered
- September 2018 — 8 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Missouri #2019033706
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982188389. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,705
Distinct HCPCS
10
Medicare allowed
$46,422
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
Q9967 |
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 1,300 | 13 | $0 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 400 | 54 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 146 | 145 | $106 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 73 | 72 | $50 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 68 | 68 | $139 | |
87502 |
Detection test by nucleic acid for multiple types influenza virus | 62 | 61 | $94 | |
96372 |
Injection of drug or substance under skin or into muscle | 59 | 53 | $12 | |
71046 |
X-ray of chest, 2 views | 51 | 51 | $28 | |
81003 |
Automated urinalysis test | 48 | 48 | $2 | |
80051 |
Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) | 34 | 33 | $7 |
In context: peer comparison
Among 1 peers in Ofallon Nurse Practitioner, average services per provider: 81. This provider delivers 33× the peer median.Open Payments
Industry payments received
All-time total
$429
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $132.12 | |
| Genzyme Corporation | 1 | $117.14 | |
| Exeltis, USA INC. | 1 | $101.69 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $77.66 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
255
Patients
253
Total drug cost
$2,156
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 97 | 96 | $231 |
| Doxycycline Monohydrate | Generic | 56 | 55 | $837 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 25 | 25 | $293 |
| Cephalexin | Generic | 20 | 20 | $123 |
| Azithromycin | Generic | 16 | 16 | $67 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 15 | 15 | $255 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 15 | 15 | $159 |
| Ofloxacin | Generic | 11 | 11 | $191 |
Frequently asked questions
What is Dr. Mary Withoelter's medical specialty?
Dr. Mary Withoelter practices Nurse Practitioner in Ofallon, MO.
Where does Dr. Mary Withoelter practice?
Dr. Mary Withoelter practices at 2630 State Highway K, Ofallon, MO 63368. Office phone: 6369805300.
What is Dr. Mary Withoelter's NPI?
Dr. Mary Withoelter's National Provider Identifier (NPI) is 1982188389, issued by NPPES.
Does Dr. Mary Withoelter accept Medicare assignment?
Yes. Dr. Mary Withoelter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Withoelter commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.