Gregory Vanfossen, NP
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 7,936
- MIPS score, 2024
- 84
- Industry payments
- $118
- Affiliated sites
- 2
- Practice address
- 281 N Lyerly St, Chattanooga, TN 37404
- Practice phone
- Call (423) 698-0850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Specialists in Pain Management, DBA Spine & Pain Associates
Chattanooga, Tennessee
Find Gregory Vanfossen'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.
Gregory Vanfossen is a nurse practitioner in Chattanooga, Tennessee
Gregory Vanfossen practices at Specialists in Pain Management, DBA Spine & Pain Associates in Chattanooga, Tennessee.
Gregory Vanfossen's NPI, 1346310067, was assigned on November 9, 2006. Gregory Vanfossen holds Tennessee license 21795.
- NPI
- 1346310067NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850491085
- NPI enumeration date
- November 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (423) 698-0850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Gregory Vanfossen practices at Specialists in Pain Management, DBA Spine & Pain Associates in Chattanooga, Tennessee
Gregory Vanfossen's primary practice is Specialists in Pain Management, DBA Spine & Pain Associates, at 281 N Lyerly St, Chattanooga, TN 37404 in Hamilton County. The practice phone is (423) 698-0850.
- Specialists in Pain Management, DBA Spine & Pain Associates281 N Lyerly St, Chattanooga, TN 37404 · Hamilton CountyPhone(423) 698-0850
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Gregory Vanfossen is affiliated with 3 sites of care and 2 medical groups
Gregory Vanfossen's primary practice is Specialists in Pain Management, DBA Spine & Pain Associates in Chattanooga, Tennessee. The medical group on file is Spine & Pain Associates. Dmand AI also links Gregory Vanfossen to 2 more group practices and clinics and 1 medical group, each 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 Gregory Vanfossen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Vanfossen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Specialists in Pain Management, DBA Spine & Pain Associates | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gregory Vanfossen is one of 1,766 nurse practitioners in Tennessee
Nurse practitioner is Gregory Vanfossen's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gregory Vanfossen is licensed in Tennessee.
Specialties and state licenses
- Nurse practitioner, TennesseePrimary
Nurse practitioners near Gregory Vanfossen
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
Gregory Vanfossen treated 31 Medicare patients in 2024, average age 69
CMS counts 31 Medicare patients who saw Gregory Vanfossen in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have alcohol and drug use disorders, and 75% have high blood pressure. 45% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gregory Vanfossen's median patient age at 65, with 57% women.
Gregory Vanfossen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gregory Vanfossen's Medicare patients by sex, 2024
- Women1755%
- Men1445%
Chronic conditions among Gregory Vanfossen's Medicare patients, 2024
- Alcohol and drug use disorders75%
- High blood pressure75%
- High cholesterol68%
- Arthritis55%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Gregory Vanfossen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gregory Vanfossen wrote 7,936 Medicare Part D claims in 2024
In 2024, Gregory Vanfossen wrote 7,936 Medicare Part D claims for 719 patients. 94% of them were for generic drugs.
Gregory Vanfossen's Part D claims by kind of drug, 2024
- Generic7,476 claims94%
- Brand-name and other460 claims6%
Drug classes CMS tracks in Gregory Vanfossen's Part D claims, 2024
- Opioids48%3,788 of 7,936 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
Gregory Vanfossen scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Gregory Vanfossen for performance year 2024, reported as part of a group. Gregory Vanfossen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gregory Vanfossen's MIPS scores, performance year 2024
- 84of 100Final score
- 54of 100Quality
- 40of 100Improvement Activities
- 91of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gregory Vanfossen received $118 in industry payments in 2025
CMS Open Payments shows 4 general payments to Gregory Vanfossen from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $56.
Companies that paid Gregory Vanfossen 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 Gregory Vanfossen'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)Clinician Public Reporting: Overall MIPS Performance (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 Gregory Vanfossen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Vanfossen's NPI number?
Gregory Vanfossen's NPI number is 1346310067. It was assigned on November 9, 2006, and it is active in the NPI Registry.
What does Gregory Vanfossen specialize in?
Gregory Vanfossen is a nurse practitioner in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Gregory Vanfossen practice?
Gregory Vanfossen practices at 281 N Lyerly St, Chattanooga, TN 37404. Gregory Vanfossen's primary practice is Specialists in Pain Management, DBA Spine & Pain Associates in Chattanooga, Tennessee. Dmand AI also links Gregory Vanfossen to 2 group practices and clinics and 1 medical group.
What is Gregory Vanfossen's office phone number?
The practice phone on file for Gregory Vanfossen is (423) 698-0850.
What is Gregory Vanfossen's medical license number?
Gregory Vanfossen holds Tennessee license 21795.
What medical group is Gregory Vanfossen part of?
Gregory Vanfossen is linked to Spine & Pain Associates. Dmand AI links Gregory Vanfossen to 1 more medical group.
Does Gregory Vanfossen accept Medicare?
Yes. CMS lists Gregory Vanfossen as accepting Medicare assignment.
What is Gregory Vanfossen's MIPS score?
Gregory Vanfossen's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Gregory Vanfossen see?
CMS counts 31 Medicare patients who saw Gregory Vanfossen in 2024, with an average age of 69.
Has Gregory Vanfossen received payments from drug or device companies?
CMS Open Payments shows $118 in general payments to Gregory Vanfossen from 3 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Gregory Vanfossen been practicing?
Gregory Vanfossen graduated from medical school in 1991, 35 years ago.
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