Dr. Mitchell B. Willoughby, MD
- Medicare services, 2023
- 27
- Part D claims, 2024
- 2,109
- Hospital affiliations
- 1
- Industry payments
- $1,380
- Medical group
- 1
- Practice address
- 555 Hartsville Pike, Gallatin, TN 37066
- Practice phone
- Call (615) 328-8888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Willoughby's professional email, personal email and mobile number
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Dr. Mitchell B. Willoughby is a family medicine physician in Gallatin, Tennessee
Dr. Willoughby practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health.
Dr. Willoughby's NPI, 1134247570, was assigned on March 26, 2007. Dr. Willoughby graduated from University of Tennessee, Hsc, College of Medicine in 2007. Dr. Willoughby holds Tennessee license 45949.
- NPI
- 1134247570NPI Registry (opens in a new tab)
- NPI enumeration date
- March 26, 2007
- NPI status
- Active
- Practice phone
- (615) 328-8888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mitchell B. Willoughby practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee
Dr. Willoughby's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas, at 555 Hartsville Pike, Gallatin, TN 37066 in Sumner County. The practice phone is (615) 328-8888.
- Highpoint Health - Sumner with Ascension Saint Thomas555 Hartsville Pike, Gallatin, TN 37066 · Sumner CountyPhone(615) 328-8888
Source: Dmand AI Affiliation Data
Dr. Mitchell B. Willoughby is affiliated with 2 sites of care and 1 medical group
Dr. Willoughby's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. The medical group on file is Ascension Saint Thomas Medical Partners. Dmand AI also links Dr. Willoughby to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mitchell B. Willoughby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Willoughby practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Highpoint Health - Sumner with Ascension Saint Thomas | 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. Mitchell B. Willoughby is one of 2,430 family medicine physicians in Tennessee
Family medicine is Dr. Willoughby's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Willoughby is licensed in Tennessee.
Specialties and state licenses
- Family medicine, TennesseePrimary
Family medicine physicians near Dr. Willoughby
Counts of family medicine 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. Mitchell B. Willoughby billed Medicare for 27 services in 2023
CMS data shows 27 Medicare services from Dr. Willoughby across 1 procedure code in 2023. Medicare paid $438 for them. Every service was in an office.
Dr. Willoughby's Medicare services by type, 2016 to 2023
- 2016
- 2023
- Lab and pathology
- 2016: 02023: 27
- Drugs given in the office
- 2016: 1022023: 0100%
- Tests and treatments
- 2016: 1442023: 0100%
- Other services
- 2016: 1542023: 0100%
- Office and hospital visits
- 2016: 6982023: 0100%
Dr. Willoughby compared with the Tennessee median for family medicine physicians, 2023
- Dr. Willoughby
- Tennessee median
- Medicare services
- 27vs 63096% below
- Part D claims
- 1,574vs 1,32219% above
Medians across 2,475 family medicine physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Willoughby's most billed Medicare procedure codes, 2023
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. Willoughby and other family medicine physicians in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mitchell B. Willoughby's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Willoughby's median patient age at 67, with 31% women.
Dr. Willoughby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
Dr. Mitchell B. Willoughby wrote 2,109 Medicare Part D claims in 2024
In 2024, Dr. Willoughby wrote 2,109 Medicare Part D claims for 220 patients. 86% of them were for generic drugs. CMS names the drug for 1,574 of them, across 55 drugs with 11 or more claims each, at $111,399 in total drug cost. In 2023, CMS named 4,807 claims across 108 drugs.
Dr. Willoughby's Part D claims by kind of drug, 2024
- Generic1,806 claims86%
- Brand-name274 claims13%
- Other29 claims1%
Dr. Willoughby'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. Willoughby's Part D claims, 2024
- Opioids2%44 of 2,109 claims
- Antibiotics1%23 of 2,109 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: 4,8072024: 1,57467%
Drugs named by CMS: 55 in 2024, 108 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. Mitchell B. Willoughby received $1,380 in industry payments from 2016 to 2024
CMS Open Payments shows 84 general payments to Dr. Willoughby from 29 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $339.
General payments to Dr. Willoughby by program year, 2016 to 2024
Companies that paid Dr. Willoughby 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. Mitchell B. Willoughby graduated from University of Tennessee, Hsc, College of Medicine
Dr. Willoughby graduated from University of Tennessee, Hsc, College of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mitchell B. Willoughby'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 | Dmand AI Affiliation 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 Data |
| 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. Mitchell B. Willoughby
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What is Dr. Mitchell B. Willoughby's NPI number?
Dr. Mitchell B. Willoughby's NPI number is 1134247570. It was assigned on March 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mitchell B. Willoughby?
Dr. Mitchell B. Willoughby is a family medicine physician in Gallatin, Tennessee. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mitchell B. Willoughby practice?
Dr. Willoughby practices at 555 Hartsville Pike, Gallatin, TN 37066. Dr. Willoughby's primary practice is Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee, part of Lifepoint Health. Dmand AI also links Dr. Willoughby to 1 community health center.
What is Dr. Mitchell B. Willoughby's office phone number?
The practice phone on file for Dr. Willoughby is (615) 328-8888.
What is Dr. Mitchell B. Willoughby's medical license number?
Dr. Willoughby holds Tennessee license 45949.
Which hospitals is Dr. Mitchell B. Willoughby affiliated with?
Dr. Willoughby practices at Highpoint Health - Sumner with Ascension Saint Thomas in Gallatin, Tennessee.
What medical group is Dr. Mitchell B. Willoughby part of?
Dr. Willoughby is linked to Ascension Saint Thomas Medical Partners.
Does Dr. Mitchell B. Willoughby accept Medicare?
Yes. CMS data shows Dr. Willoughby billed Medicare for 27 services in 2023.
What services does Dr. Mitchell B. Willoughby bill to Medicare?
In 2023, Dr. Willoughby's most billed Medicare services were lab and pathology test (87804).
Where did Dr. Mitchell B. Willoughby go to medical school?
Dr. Willoughby graduated from University of Tennessee, Hsc, College of Medicine in 2007.
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What drugs does Dr. Mitchell B. Willoughby prescribe most?
In 2024 Medicare Part D data, Dr. Willoughby's most prescribed drugs by claims were Atorvastatin Calcium, Gabapentin and Pantoprazole Sodium.
Has Dr. Mitchell B. Willoughby received payments from drug or device companies?
CMS Open Payments shows $1,380 in general payments to Dr. Willoughby from 29 companies from 2016 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Mitchell B. Willoughby been practicing?
Dr. Willoughby graduated from medical school in 2007, 19 years ago.
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