Doctor profile · Federal record

Dr. Gillian Long, FNP-C

Nurse Practitioner · Alton, IL

  • NPI 1790345726
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Professional Dr
Alton, IL 620025068
(618) 463-8500
fax (618) 433-6792
Mailing address
660 Mason Ridge Center Dr Ste 300
Saint Louis, MO 631418512

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
September 19, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #209018721

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790345726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
781
Distinct HCPCS
5
Medicare allowed
$52,533
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 576 350 $75
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 72 14 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 69 63 $107
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 50 44 $30
96372 Injection of drug or substance under skin or into muscle 14 14 $12

In context: peer comparison

Among 11 peers in this city , average services per provider: 131. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $48.13
ABBVIE INC. 2 $35.15
Amgen Inc. 1 $15.54
AstraZeneca Pharmaceuticals LP 1 $13.96

By nature of payment

Food and Beverage
$113

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
663
Patients
469
Total drug cost
$7,218
Drug Type Claims Patients Total cost
Prednisone Generic 76 68 $191
Tizanidine Hcl Generic 69 43 $458
Meloxicam Generic 65 37 $268
Furosemide Generic 64 37 $450
Doxycycline Hyclate Generic 60 59 $749
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 55 38 $2,055
Lisinopril Generic 37 21 $209
Losartan Potassium Generic 35 17 $388
Omeprazole Generic 34 16 $498
Carvedilol Generic 31 19 $296

Frequently asked questions

Auto-generated from federal data
What is Dr. Gillian Long's medical specialty?
Dr. Gillian Long practices Nurse Practitioner in Alton, IL.
Where does Dr. Gillian Long practice?
Dr. Gillian Long practices at 1 Professional Dr, Alton, IL 620025068. Office phone: 6184638500.
What is Dr. Gillian Long's NPI?
Dr. Gillian Long's National Provider Identifier (NPI) is 1790345726, issued by NPPES.
Does Dr. Gillian Long accept Medicare assignment?
Yes. Dr. Gillian Long accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gillian Long commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.