Dr. Neil D. Wallen, MD
- Medicare services, 2024
- 233
- Medicare patients, 2024
- 101
- Part D claims, 2024
- 1,248
- Hospital affiliations
- 1
- Industry payments
- $16,545
- Practice address
- One Medical Park Blvd, Bristol, TN 37620
- Practice phone
- Call (423) 844-1121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Wallen'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.
Dr. Neil D. Wallen is an allergy physician in Bristol, Tennessee
Dr. Wallen practices at Bristol Regional Medical Center in Bristol, Tennessee, part of Ballad Health.
Dr. Wallen's NPI, 1326043373, was assigned on June 16, 2005. Dr. Wallen graduated from University of Florida College of Medicine in 1985. Dr. Wallen holds Tennessee license MD0000017754.
- NPI
- 1326043373NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2005
- NPI status
- Active
- Practice phone
- (423) 844-1121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Neil D. Wallen practices at 2 locations in Bristol, Tennessee
Dr. Wallen's primary practice is Bristol Regional Medical Center, at One Medical Park Blvd, Bristol, TN 37620 in Sullivan County. The practice phone is (423) 844-1121. Dr. Wallen also practices at Bristol Regional Medical Center, 1 Medical Park Blvd, Bristol, TN 37620.
- Bristol Regional Medical CenterPrimaryOne Medical Park Blvd, Bristol, TN 37620 · Sullivan CountyPhone(423) 844-1121
- Bristol Regional Medical Center1 Medical Park Blvd, Bristol, TN 37620 · Sullivan CountyPhone(423) 844-1121
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Neil D. Wallen is affiliated with 2 sites of care and 1 medical group
Dr. Wallen's primary practice is Bristol Regional Medical Center in Bristol, Tennessee, part of Ballad Health. The medical group on file is Holston Medical Group. Dmand AI also links Dr. Wallen to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Neil D. Wallen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bristol Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neil D. Wallen is one of 14 allergy physicians in Tennessee
Allergy is Dr. Wallen's primary specialty in the NPI Registry, under taxonomy code 207KA0200X. Dr. Wallen is licensed in Tennessee.
Specialties and state licenses
- Allergy, TennesseePrimary
Allergy physicians near Dr. Wallen
Counts of allergy physicians 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
Dr. Neil D. Wallen billed Medicare for 233 services in 2024
CMS data shows 233 Medicare services from Dr. Wallen across 5 procedure codes in 2024, for 101 Medicare patients. Medicare paid $12,105 for them. Every service was in an office.
Dr. Wallen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2062024: 12539%
- Tests and treatments
- 2023: 1,8112024: 10894%
Dr. Wallen compared with the Tennessee median for allergy physicians, 2024
- Dr. Wallen
- Tennessee median
- Medicare services
- 233vs 1,29082% below
- Medicare patients
- 101vs 101Close to median
- Part D claims
- 1,017vs 59870% above
Medians across 15 allergy physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Wallen's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wallen and other allergy physicians in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neil D. Wallen treated 101 Medicare patients in 2024, average age 73
CMS counts 101 Medicare patients who saw Dr. Wallen in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 1.30, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Wallen's median patient age at 45, with 62% women.
Dr. Wallen's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Wallen's Medicare patients by sex, 2024
- Women7473%
- Men2727%
Chronic conditions among Dr. Wallen's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Asthma65%
- Arthritis58%
- COPD37%
- Diabetes33%
- Ischemic heart disease33%
- Anxiety29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Wallen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Neil D. Wallen wrote 1,248 Medicare Part D claims in 2024
In 2024, Dr. Wallen wrote 1,248 Medicare Part D claims for 218 patients. 57% of them were for generic drugs. CMS names the drug for 1,017 of them, across 24 drugs with 11 or more claims each, at $433,780 in total drug cost. In 2023, CMS named 1,277 claims across 28 drugs.
Dr. Wallen's Part D claims by kind of drug, 2024
- Generic709 claims57%
- Brand-name and other539 claims43%
Dr. Wallen's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Wallen's Part D claims, 2024
- Antibiotics5%60 of 1,248 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2772024: 1,01720%
Drugs named by CMS: 24 in 2024, 28 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Neil D. Wallen received $16,545 in industry payments from 2016 to 2024
CMS Open Payments shows 852 general payments to Dr. Wallen from 31 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 98% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,774.
General payments to Dr. Wallen by program year, 2016 to 2024
General payments to Dr. Wallen by kind, 2016 to 2024
- Food and beverage$16,23598%
- Speaker and faculty fees$2001%
- Education$1091%
Companies that paid Dr. Wallen the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neil D. Wallen graduated from University of Florida College of Medicine
Dr. Wallen graduated from University of Florida College of Medicine in 1985.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neil D. Wallen'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Neil D. Wallen
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Neil D. Wallen's NPI number?
Dr. Neil D. Wallen's NPI number is 1326043373. It was assigned on June 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil D. Wallen?
Dr. Neil D. Wallen is an allergy physician in Bristol, Tennessee. The primary specialty in the NPI Registry is Allergy Physician (taxonomy code 207KA0200X).
Where does Dr. Neil D. Wallen practice?
Dr. Wallen practices at One Medical Park Blvd, Bristol, TN 37620. Dr. Wallen also practices at 1 Medical Park Blvd, Bristol, TN 37620. Dr. Wallen's primary practice is Bristol Regional Medical Center in Bristol, Tennessee, part of Ballad Health. Dmand AI also links Dr. Wallen to 1 group practice or clinic.
What is Dr. Neil D. Wallen's office phone number?
The practice phone on file for Dr. Wallen is (423) 844-1121.
What is Dr. Neil D. Wallen's medical license number?
Dr. Wallen holds Tennessee license MD0000017754.
Which hospitals is Dr. Neil D. Wallen affiliated with?
Dr. Wallen practices at Bristol Regional Medical Center in Bristol, Tennessee.
What medical group is Dr. Neil D. Wallen part of?
Dr. Wallen is linked to Holston Medical Group.
Does Dr. Neil D. Wallen accept Medicare?
Yes. CMS data shows Dr. Wallen billed Medicare for 233 services in 2024.
How many Medicare patients does Dr. Neil D. Wallen see?
CMS counts 101 Medicare patients who saw Dr. Wallen in 2024, with an average age of 73.
What services does Dr. Neil D. Wallen bill to Medicare?
In 2024, Dr. Wallen's most billed Medicare services were allergy test or treatment (95117), office visit, established patient (99214) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Neil D. Wallen go to medical school?
Dr. Wallen graduated from University of Florida College of Medicine in 1985.
What drugs does Dr. Neil D. Wallen prescribe most?
In 2024 Medicare Part D data, Dr. Wallen's most prescribed drugs by claims were Montelukast Sodium, Fluticasone Propionate and Albuterol Sulfate Hfa.
Has Dr. Neil D. Wallen received payments from drug or device companies?
CMS Open Payments shows $16,545 in general payments to Dr. Wallen from 31 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Neil D. Wallen been practicing?
Dr. Wallen graduated from medical school in 1985, 41 years ago.
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