Provider Profile
Margaret C. Hoester, PA-C
Unclaimed ProfileWhere to find Margaret C. Hoester, PA-C
- O Fallon location main office
310 N 7 Hills Rd Ste 220, O Fallon, IL 62269 - Practice location
Allied Health Building, 3437 Caroline, #3082, Saint Louis, MO 63104
About Margaret Hoester
Margaret C. Hoester, PA-C is a physician assistant practicing in O Fallon, IL. Margaret trained at Saint Louis University School of Medicine, graduating in 2021. According to Medicare claims data, Margaret cared for 324 Medicare patients across 397 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. This provider record is associated with NPI 1740870492.
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
- (618) 624-6181
- Email not available
Practice Locations
310 N 7 HILLS RD STE 220
O Fallon, IL 62269
Allied Health Building 3437 Caroline, #3082
Saint Louis, MO 63104
Procedures Most Often Billed to Medicare
397 services · 324 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
15 | As often as other peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
13 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
154 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
116 | More often than most peers in Physician Assistant |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
55 | More often than most peers in Physician Assistant |
| Administration of pneumococcal vaccine | Billing code | G0009 |
15 | As often as other peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
15 | Less often than most peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
14 | Less often than most peers in Physician Assistant |
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 physician assistants at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 28 related providers in 4 groups
Other physician assistants in O Fallon 6
Same specialty, same city.
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Saint Louis University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 7
Providers in IL who bill this service to Medicare most often.
Common questions
What is Margaret C. Hoester's specialty?
Margaret C. Hoester is a physician assistant in O Fallon, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Margaret C. Hoester?
Margaret C. Hoester is listed at 310 N 7 Hills Rd Ste 220, O Fallon, IL 62269. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Margaret C. Hoester?
The number on file is (618) 624-6181. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Margaret C. Hoester's NPI number?
Margaret C. Hoester's National Provider Identifier is 1740870492. 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 Margaret C. Hoester's education?
Margaret C. Hoester attended Saint Louis University School of Medicine, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How long has Margaret C. Hoester been practicing?
Margaret C. Hoester has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
What is Margaret C. Hoester known for?
According to Medicare billing data, Margaret C. Hoester provides treatments such as pneumococcal conjugate vaccine, 20 valent , for intramuscular use and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Margaret C. Hoester confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret C. Hoester. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.