Provider Profile
Gregory Marshall, FNP-C
Unclaimed ProfileAbout Gregory Marshall
Listed in the NPI registry as a nurse practitioner, Gregory Marshall, FNP-C practices in Evansville, IN. Gregory graduated from Indiana University School of Medicine in 2017. Gregory is also listed as specializing in nurse practitioner — family and interventional pain medicine. According to Medicare claims data, Gregory cared for 171 Medicare patients across 547 services.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (812) 437-7246
- Email not available
Practice Locations
4411 WASHINGTON AVE STE 100
Evansville, IN 47714
Procedures Most Often Billed to Medicare
547 services · 171 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
423 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
124 |
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 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 — 23 related providers in 3 groups
Other nurse practitioners in Evansville 8
Same specialty, same city.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Indiana University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Marshall specialize in?
Dr. Marshall is a nurse practitioner in Evansville, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NURSE PRACTITIONER”.
NPI registry
Where is Dr. Marshall located?
Dr. Marshall is listed at 4411 WASHINGTON AVE STE 100, Evansville, IN 47714. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Marshall's phone number?
The number on file is (812) 437-7246. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marshall's NPI number?
Dr. Marshall's National Provider Identifier is 1528555216. 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. Marshall go to medical school?
Dr. Marshall attended Indiana University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marshall been practicing?
Dr. Marshall has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Marshall do most often?
According to Medicare billing data, Dr. Marshall 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 Dr. Marshall confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marshall. 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.