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Edit this profileAt a glance
- 1201 S Grand Blvd, Saint Louis, MO 63104
About Margaret Neff
Margaret I. Neff, PA-C is a physician assistant based in Saint Louis, MO. Margaret is a 2024 graduate of Saint Louis University School of Medicine. According to Medicare claims data, Margaret cared for 34 Medicare patients across 69 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes and subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. The provider's National Provider Identifier (NPI) is 1609580448.
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
- (314) 257-8000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
1201 S GRAND BLVD
Saint Louis, MO 63104
Procedures Most Often Billed to Medicare
69 services · 34 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
49 | As often as other peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
20 | 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 22 related providers in 3 groups
Other physician assistants in Saint Louis 7
Same specialty, same city.
Trained at Saint Louis University School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2024 at Saint Louis University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Margaret I. Neff's specialty?
Margaret I. Neff is a physician assistant in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Margaret I. Neff?
Margaret I. Neff is listed at 1201 S Grand Blvd, Saint Louis, MO 63104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Margaret I. Neff?
The number on file is (314) 257-8000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Margaret I. Neff's NPI number?
Margaret I. Neff's National Provider Identifier is 1609580448. 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 I. Neff's education?
Margaret I. Neff attended Saint Louis University School of Medicine, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How long has Margaret I. Neff been practicing?
Margaret I. Neff has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
What is Margaret I. Neff known for?
According to Medicare billing data, Margaret I. Neff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Margaret I. Neff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret I. Neff. If this is you, claiming it is free.
Guide.md
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