Provider Profile
Margaret Hennessey, PA
Unclaimed ProfileAbout Margaret Hennessey
Margaret Hennessey, PA is a physician assistant practicing in Saint Louis, MO. Margaret trained at Medical University of South Carolina College of Medicine, graduating in 2017. Margaret is also listed as specializing in physician assistant — medical. According to Medicare claims data, Margaret cared for 25 Medicare patients across 25 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 and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. This provider record is associated with NPI 1982116414.
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) 577-8000
- Email not available
Practice Locations
3635 VISTA AVE
Saint Louis, MO 63110
Procedures Most Often Billed to Medicare
25 services · 25 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
14 | Less 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 |
11 | 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.
Related specialists at this location 3
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.
Other physician assistants in Saint Louis 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Medical University of South Carolina College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Medical University of South Carolina College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Margaret Hennessey specialize in?
Margaret Hennessey is a physician assistant in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Margaret Hennessey located?
Margaret Hennessey is listed at 3635 Vista Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Margaret Hennessey's phone number?
The number on file is (314) 577-8000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Margaret Hennessey's NPI number?
Margaret Hennessey's National Provider Identifier is 1982116414. 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
Where did Margaret Hennessey train?
Margaret Hennessey attended Medical University of South Carolina College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Margaret Hennessey been practicing?
Margaret Hennessey has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Margaret Hennessey do most often?
According to Medicare billing data, Margaret Hennessey 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 Hennessey confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret Hennessey. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.