Dr. Guy D. Clark, MD
- Medicare services, 2017
- 264
- Part D claims, 2024
- 494
- Hospital affiliations
- 1
- Industry payments
- $228
- Medical groups
- 3
- Practice address
- 515 Great Circle Rd, Nashville, TN 37228
- Practice phone
- Call (615) 255-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Aegis Sciences Corporation
Nashville, Tennessee
Find Dr. Clark's professional email, personal email and mobile number
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Dr. Guy D. Clark is an internist in Nashville, Tennessee
Dr. Clark practices at Aegis Sciences Corporation in Nashville, Tennessee.
Dr. Clark's NPI, 1235160789, was assigned on July 5, 2006. Dr. Clark graduated from East Tennessee State University Quillen College of Medicine in 1988. Dr. Clark holds Tennessee license MD20063.
- NPI
- 1235160789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517909179
- NPI enumeration date
- July 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 255-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guy D. Clark practices at Aegis Sciences Corporation in Nashville, Tennessee
Dr. Clark's primary practice is Aegis Sciences Corporation, at 515 Great Circle Rd, Nashville, TN 37228 in Davidson County. The practice phone is (615) 255-2400.
- Aegis Sciences Corporation515 Great Circle Rd, Nashville, TN 37228 · Davidson CountyPhone(615) 255-2400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Guy D. Clark is affiliated with 3 sites of care and 3 medical groups
Dr. Clark's primary practice is Aegis Sciences Corporation in Nashville, Tennessee. Dr. Clark is also affiliated with The University of Tennessee Medical Center. The medical group on file is TeamHealth (Emergency Coverage Corporation of TeamHealth). Dmand AI also links Dr. Clark to 2 more medical groups and 1 group practice or clinic, 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 Dr. Guy D. Clark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clark practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aegis Sciences Corporation | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guy D. Clark is one of 2,427 internists in Tennessee
Internal medicine is Dr. Clark's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Clark's licenses on file in 2 states: Tennessee and Virginia.
Specialties and state licenses
- Internal medicine, TennesseePrimary
- Emergency medicine, Virginia
Internists near Dr. Clark
Counts of internists 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. Guy D. Clark billed Medicare for 264 services in 2017
CMS data shows 264 Medicare services from Dr. Clark across 3 procedure codes in 2017. Medicare paid $27,041 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clark's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 5242017: 26450%
Dr. Clark compared with the Tennessee median for internists, 2017
- Dr. Clark
- Tennessee median
- Medicare services
- 264vs 67161% below
- Part D claims
- 425vs 33427% above
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Clark's most billed Medicare procedure codes, 2017
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. Clark and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guy D. Clark's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Dr. Clark's median patient age at 46, with 55% women.
Dr. Clark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
Dr. Guy D. Clark wrote 494 Medicare Part D claims in 2024
In 2024, Dr. Clark wrote 494 Medicare Part D claims for 31 patients. 90% of them were for generic drugs. CMS names the drug for 425 of them, across 8 drugs with 11 or more claims each, at $40,713 in total drug cost. In 2023, CMS named 404 claims across 6 drugs.
Dr. Clark's Part D claims by kind of drug, 2024
- Generic446 claims90%
- Brand-name48 claims10%
Dr. Clark'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4042024: 4255%
Drugs named by CMS: 8 in 2024, 6 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
How Dr. Guy D. Clark takes part in Medicare
Dr. Clark 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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Dr. Guy D. Clark received $228 in industry payments from 2017 to 2022
CMS Open Payments shows 8 general payments to Dr. Clark from 5 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $135.
General payments to Dr. Clark by program year, 2017 to 2022
Companies that paid Dr. Clark the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Guy D. Clark graduated from East Tennessee State University Quillen College of Medicine
Dr. Clark graduated from East Tennessee State University Quillen College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Guy D. Clark'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 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) |
| 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) |
| 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. Guy D. Clark
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. Guy D. Clark's NPI number?
Dr. Guy D. Clark's NPI number is 1235160789. It was assigned on July 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guy D. Clark?
Dr. Guy D. Clark is an internist in Nashville, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Guy D. Clark practice?
Dr. Clark practices at 515 Great Circle Rd, Nashville, TN 37228. Dr. Clark's primary practice is Aegis Sciences Corporation in Nashville, Tennessee. Dmand AI also links Dr. Clark to 2 medical groups and 1 group practice or clinic.
What is Dr. Guy D. Clark's office phone number?
The practice phone on file for Dr. Clark is (615) 255-2400.
What is Dr. Guy D. Clark's medical license number?
Dr. Clark holds Tennessee license MD20063, one of the licenses on file in 2 states.
Which states has Dr. Guy D. Clark been licensed in?
Dmand AI has state licenses on file for Dr. Clark in Tennessee and Virginia.
Which hospitals is Dr. Guy D. Clark affiliated with?
Dr. Clark is affiliated with The University of Tennessee Medical Center.
What medical group is Dr. Guy D. Clark part of?
Dr. Clark is linked to TeamHealth (Emergency Coverage Corporation of TeamHealth). Dmand AI links Dr. Clark to 2 more medical groups.
Does Dr. Guy D. Clark accept Medicare?
Yes. CMS data shows Dr. Clark billed Medicare for 264 services in 2017, and Dr. Clark accepts Medicare assignment.
What services does Dr. Guy D. Clark bill to Medicare?
In 2017, Dr. Clark's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
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Where did Dr. Guy D. Clark go to medical school?
Dr. Clark graduated from East Tennessee State University Quillen College of Medicine in 1988.
What drugs does Dr. Guy D. Clark prescribe most?
In 2024 Medicare Part D data, Dr. Clark's most prescribed drugs by claims were Buprenorphine-Naloxone, Suboxone and Ondansetron ODT.
Has Dr. Guy D. Clark received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. Clark from 5 companies from 2017 to 2022. The largest total came from Gilead Sciences, Inc.
How long has Dr. Guy D. Clark been practicing?
Dr. Clark graduated from medical school in 1988, 38 years ago.
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