Physician Profile
Unclaimed ProfileAbout WILLIS
Hannah Marie Willis, PA is a physician assistant based in Saint Louis, MO. Medicare claims data shows Hannah provided 682 services to 564 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (314) 747-5361
- Email not available
Practice Locations
4901 FOREST PARK AVE DIV IM PALLIATIVE MED, STE 241
Saint Louis, MO 63108
Procedures Most Often Billed to Medicare
682 services · 564 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
96 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
135 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
76 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
60 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
58 |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
36 |
| Telephone medical discussion with physician, 5-10 minutes | Office visit | 99441 |
31 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
27 |
| Urinalysis, manual test | Lab test | 81002 |
25 |
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 1
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 — 32 related providers in 4 groups
Other physician assistants in Saint Louis 8
Same specialty, same city.
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 Insertion of needle into vein for collection of blood sample 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Dr. Willis specialize in?
Dr. Willis is a physician assistant in Saint Louis, MO. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Willis located?
Dr. Willis is listed at 4901 FOREST PARK AVE DIV IM PALLIATIVE MED, STE 241, Saint Louis, MO 63108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Willis's phone number?
The number on file is (314) 747-5361. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Willis?
Dr. Willis's National Provider Identifier is 1962961375. 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 Dr. Willis go to medical school?
Dr. Willis attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Willis have?
Dr. Willis has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Willis do most often?
According to Medicare billing data, Dr. Willis performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as 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
Is Dr. Willis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Willis. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.