Provider Profile
Gillian K. Long, FNP-C
Unclaimed ProfileAbout Gillian Long
Listed in the NPI registry as a nurse practitioner, Gillian K. Long, FNP-C practices in Alton, IL. According to Medicare claims data, Gillian cared for 437 Medicare patients across 550 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and transitional care management services for problem of at least moderate complexity.
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
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 463-8500
- Email not available
Practice Locations
1 PROFESSIONAL DR
Alton, IL 62002
Procedures Most Often Billed to Medicare
550 services · 437 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
13 | |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
277 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
211 | More often than most peers in Nurse Practitioner |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
17 | As often as other peers in Nurse Practitioner |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
17 | As often as other peers in Nurse Practitioner |
| Administration of influenza virus vaccine | Billing code | G0008 |
15 |
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 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 — 31 related providers in 4 groups
Other nurse practitioners in Alton 7
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 Influenza vaccine split virus, preservative free 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Gillian K. Long?
Gillian K. Long is a nurse practitioner in Alton, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Gillian K. Long's address?
Gillian K. Long is listed at 1 Professional Dr, Alton, IL 62002. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gillian K. Long?
The number on file is (618) 463-8500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gillian K. Long's NPI number?
Gillian K. Long's National Provider Identifier is 1790345726. 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 Gillian K. Long train?
Gillian K. Long attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Gillian K. Long been practicing?
Gillian K. Long has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gillian K. Long perform?
According to Medicare billing data, Gillian K. Long 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
Has Gillian K. Long confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gillian K. Long. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.