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Active NPI 1790345726 Individual Practitioner Female Practitioner

Gillian K Long , FNP-C

Nurse Practitioner • Alton, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Gillian Long, FNP-C is a certified Nurse Practitioner practicing in Alton, IL. With approximately 8 years of clinical experience since completing medical education in 2018, Gillian Long delivers high-quality medical care to the local community at 1 PROFESSIONAL DR.

Gillian Long is affiliated with Fairview Heights Medical Group Sc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza, transitional care management services for problem of at least moderate complexity. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Professional Dr

Alton, IL 620025068

Telephone 6184638500
Fax 6184336792
Associated Practice Facility / Clinic
🏢 Alton Multispecialists, Ltd. Facility NPI 1942312442

Medicare Profile & Education

Medical School

Other

Graduation Year

2018

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Alton, IL

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
8 Yrs -0.7 yrs vs City Avg
City Avg: 8.7 Yrs
State Avg: 10.4 Yrs
Regional Practice Density
24 Specialists

Practicing in Alton, IL (4929 Statewide)

Telehealth Adoption Rate
20.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
52.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Long (8 Years) 8 Yrs
Alton Specialty Average (8.7 Years) 8.7 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
277 203 $229.52 $105.89
99213 Established patient office or other outpatient visit, typically 15 minutes
211 173 $187.00 $74.97
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza
17 17 $162.76 $68.88
99495 Transitional care management services for problem of at least moderate complexity
17 16 $364.00 $169.41
G0008 Administration of influenza virus vaccine
15 15 $82.00 $31.79
90662 Influenza vaccine split virus, preservative free
13 13 $88.00 $81.82

Medical Specialties & State Licenses

CMS Verified: 2025-09-19
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License IL 209018721

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Hospital & Practice Group Affiliations

Fairview Heights Medical Group Sc

1 Memorial Dr, Alton, IL 620026722

Phone: 6184637240

Fairview Heights Medical Group Sc

1 Professional Dr, Alton, IL 620025068

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners
Dr. Karra Adams , DNP

Nurse Practitioner

NPI 1194366401

Doctor of Nursing Practice

NPI 1649916248

Doctor of Osteopathic Medicine (D.O.)

Dr. Rachel Durham , MD

Obstetrics & Gynecology

NPI 1730318890

Doctor of Medicine (M.D.)

Angela Lytle , FNP

Nurse Practitioner - Family

NPI 1770025868

Family Nurse Practitioner

Paula Elder , ACNP

Nurse Practitioner - Acute Care

NPI 1962720458

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

12 Historical Events
📍
Updated Business Mailing Address April 12, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144483791)

📍
Updated Practice Location August 19, 2022

Registered at 1 PROFESSIONAL DR, ALTON, IL 620025068 (Tel: 6184638555)

📍
Updated Business Mailing Address August 19, 2022

Registered at 1 PROFESSIONAL DR, ALTON, IL 620025068 (Tel: 6184638555)

📍
Updated Practice Location May 09, 2022

Registered at 1116 HARTMAN LN, SHILOH, IL 622218014 (Tel: 6186419011)

📍
Updated Business Mailing Address May 09, 2022

Registered at 1116 HARTMAN LN, SHILOH, IL 622218014 (Tel: 6186419011)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 09, 2022

Nurse Practitioner (License #209018721 in IL)

NPI Profile Active June 20, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location June 20, 2019

Registered at 2861 MADISON AVE, GRANITE CITY, IL 620403614 (Tel: 6187097723)

📍
Updated Business Mailing Address June 20, 2019

Registered at 2861 MADISON AVE, GRANITE CITY, IL 620403614

👤
Provider Name / Credentials Updated June 20, 2019

Recorded as GILLIAN LONG, FNP-C

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 20, 2019

Nurse Practitioner (License #209018721 in IL)

🟢
Initial NPI Registration & Enumeration June 20, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1790345726
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 20, 2019
Last Update: September 19, 2025
Sole Proprietor: No

Mailing Address

660 Mason Ridge Center Dr Ste 300

Saint Louis, MO 631418512

Phone: 3144483791

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.