Gillian K. Long, FNP-C
- Medicare patients, 2024
- 330
- Part D claims, 2024
- 1,796
- Industry payments
- $30
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 670 Mason Ridge Center Dr, Saint Louis, MO 63141
- Practice phone
- Call (314) 996-7644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fairview Heights Medical Group SC
Saint Louis, Missouri
Find Gillian Long's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Gillian K. Long is a nurse practitioner in Saint Louis, Missouri
Gillian Long practices at Fairview Heights Medical Group SC in Saint Louis, Missouri.
Gillian Long's NPI, 1790345726, was assigned on June 20, 2019. Gillian Long holds Illinois license 209018721.
- NPI
- 1790345726NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133450653
- NPI enumeration date
- June 20, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 996-7644
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gillian K. Long practices at Fairview Heights Medical Group SC in Saint Louis, Missouri
Gillian Long's primary practice is Fairview Heights Medical Group SC, at 670 Mason Ridge Center Dr, Saint Louis, MO 63141 in Saint Louis County. The practice phone is (314) 996-7644.
- Fairview Heights Medical Group SC670 Mason Ridge Center Dr, Saint Louis, MO 63141 · Saint Louis CountyPhone(314) 996-7644
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gillian K. Long is affiliated with 2 sites of care and 1 medical group
Gillian Long's primary practice is Fairview Heights Medical Group SC in Saint Louis, Missouri. The medical group on file is BJC Medical Group. Dmand AI also links Gillian Long to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gillian K. Long's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gillian Long practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fairview Heights Medical Group SC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gillian K. Long is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Gillian Long's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gillian Long is licensed in Illinois.
Specialties and state licenses
- Nurse practitioner, IllinoisPrimary
Nurse practitioners near Gillian Long
Counts of nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gillian K. Long treated 330 Medicare patients in 2024, average age 75
CMS counts 330 Medicare patients who saw Gillian Long in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gillian Long's median patient age at 74, with 65% women.
Gillian Long's Medicare patients by age, 2024
Gillian Long's Medicare patients by sex, 2024
- Women21365%
- Men11735%
Chronic conditions among Gillian Long's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis62%
- Diabetes37%
- Chronic kidney disease28%
- Ischemic heart disease28%
- Heart failure22%
- COPD21%
Share of Medicare patients with each condition. A patient can have several.
Gillian Long's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gillian K. Long wrote 1,796 Medicare Part D claims in 2024
In 2024, Gillian Long wrote 1,796 Medicare Part D claims for 484 patients. 78% of them were for generic drugs.
Gillian Long's Part D claims by kind of drug, 2024
- Generic1,404 claims78%
- Brand-name376 claims21%
- Other16 claims1%
Drug classes CMS tracks in Gillian Long's Part D claims, 2024
- Antibiotics7%130 of 1,796 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Gillian K. Long takes part in Medicare
Gillian Long accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Gillian K. Long received $30 in industry payments in 2025
CMS Open Payments shows 2 general payments to Gillian Long from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $16.
Companies that paid Gillian Long the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gillian K. Long's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gillian K. Long
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gillian K. Long's NPI number?
Gillian K. Long's NPI number is 1790345726. It was assigned on June 20, 2019, and it is active in the NPI Registry.
What does Gillian K. Long specialize in?
Gillian K. Long is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Gillian K. Long practice?
Gillian Long practices at 670 Mason Ridge Center Dr, Saint Louis, MO 63141. Gillian Long's primary practice is Fairview Heights Medical Group SC in Saint Louis, Missouri. Dmand AI also links Gillian Long to 1 group practice or clinic.
What is Gillian K. Long's office phone number?
The practice phone on file for Gillian Long is (314) 996-7644.
What is Gillian K. Long's medical license number?
Gillian Long holds Illinois license 209018721.
What medical group is Gillian K. Long part of?
Gillian Long is linked to BJC Medical Group.
Does Gillian K. Long accept Medicare?
Yes. CMS lists Gillian Long as accepting Medicare assignment.
How many Medicare patients does Gillian K. Long see?
CMS counts 330 Medicare patients who saw Gillian Long in 2024, with an average age of 75.
Has Gillian K. Long received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Gillian Long from 2 companies from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Gillian K. Long been practicing?
Gillian Long graduated from medical school in 2018, 8 years ago.
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