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Edit this profileWhere to find Mary Withoelter, NURSE PRACTITIONER
- O'fallon location main office
2630 State Highway K, O'fallon, MO 63368 - Saint Louis location
9556 Manchester Rd, Saint Louis, MO 63119
About Mary Withoelter
Mary Withoelter, NURSE PRACTITIONER is a nurse practitioner based in O'fallon, MO. Mary is also listed as specializing in nurse practitioner — family. Medicare claims data shows Mary provided 1,260 services to 907 patients. The services billed most often include injection, dexamethasone sodium phosphate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen. The provider's National Provider Identifier (NPI) is 1982188389.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (636) 980-5300
- Email not available
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Practice Locations
2630 STATE HIGHWAY K
O'fallon, MO 63368
9556 Manchester Rd
Saint Louis, MO 63119
Procedures Most Often Billed to Medicare
1,260 services · 907 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
45 | More often than most peers in Nurse Practitioner |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
55 | More often than most peers in Nurse Practitioner |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
384 | More often than most peers in Nurse Practitioner |
| Infusion, normal saline solution , 1000 cc | Drug given | J7030 |
28 | As often as other peers in Nurse Practitioner |
| Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg | Drug given | J7613 |
20 | Less often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
99 | As often as other peers in Nurse Practitioner |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
66 | More than most peers in Nurse Practitioner |
| Detection test by nucleic acid for multiple types influenza virus | Lab test | 87502 |
66 | More than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
59 | As often as other peers in Nurse Practitioner |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
50 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other nurse practitioners in O'fallon 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in MO who bill this service to Medicare most often.
Common questions
What is Mary Withoelter's specialty?
Mary Withoelter is a nurse practitioner in O'fallon, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mary Withoelter?
Mary Withoelter is listed at 2630 State Highway K, O'fallon, MO 63368. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mary Withoelter?
The number on file is (636) 980-5300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Mary Withoelter?
Mary Withoelter's National Provider Identifier is 1982188389. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mary Withoelter's education?
Mary Withoelter attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mary Withoelter have?
Mary Withoelter has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Mary Withoelter known for?
According to Medicare billing data, Mary Withoelter performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mary Withoelter's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Withoelter. If this is you, claiming it is free.
Guide.md
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