Dr. Isham C. Hewgley, III III, MD
- Medicare services, 2023
- 13
- Part D claims, 2024
- 25
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 10820 Parkside Dr, Knoxville, TN 37934-1956
- Practice phone
- Call (865) 218-7011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southeastern Physician Services - Knoxville (10820 Parkside Dr)
Primary care practice · Knoxville, Tennessee
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Dr. Isham C. Hewgley, III III is an internist in Athens, Tennessee
Dr. Hewgley, III practices at Southeastern Physician Services - Knoxville (10820 Parkside Dr) in Knoxville, Tennessee.
Dr. Hewgley, III's NPI, 1215915921, was assigned on January 3, 2006. Dr. Hewgley, III graduated from University of Tennessee, Hsc, College of Medicine in 1984. Dr. Hewgley, III holds Tennessee license 16850.
- NPI
- 1215915921NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Practice phone
- (865) 218-7011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Isham C. Hewgley, III III practices in Knoxville and Athens
Dr. Hewgley, III's primary practice is Southeastern Physician Services - Knoxville (10820 Parkside Dr), at 10820 Parkside Dr, Knoxville, TN 37934-1956. The practice phone is (865) 218-7011. The NPI Registry lists Dr. Hewgley, III's practice address as 1114 W Madison Ave, Athens, TN 37303.
- Southeastern Physician Services - Knoxville (10820 Parkside Dr)Primary10820 Parkside Dr, Knoxville, TN 37934-1956Phone(865) 218-7011
- NPI Registry address1114 W Madison Ave, Athens, TN 37303 · Mcminn CountyPhone(865) 218-7972
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Isham C. Hewgley, III III is affiliated with 2 sites of care and 2 medical groups
Dr. Hewgley, III's primary practice is Southeastern Physician Services - Knoxville (10820 Parkside Dr) in Knoxville, Tennessee. The medical group on file is American Physician Partners. Dmand AI also links Dr. Hewgley, III to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Isham C. Hewgley, III III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hewgley, III practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southeastern Physician Services - Knoxville (10820 Parkside Dr) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isham C. Hewgley, III III is one of 2,427 internists in Tennessee
Internal medicine is Dr. Hewgley, III's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hewgley, III is licensed in Tennessee.
Specialties and state licenses
- Internal medicine, TennesseePrimary
Internists near Dr. Hewgley, III
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. Isham C. Hewgley, III III billed Medicare for 13 services in 2023
CMS data shows 13 Medicare services from Dr. Hewgley, III across 1 procedure code in 2023. Medicare paid $765 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hewgley, III's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1962023: 1393%
Dr. Hewgley, III compared with the Tennessee median for internists, 2023
- Dr. Hewgley, III
- Tennessee median
- Medicare services
- 13vs 67198% below
- Part D claims
- 58vs 33483% below
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Hewgley, III'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.
Need commercial claims for Dr. Hewgley, III?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hewgley, III and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isham C. Hewgley, III III's patients have a median age of 65
Across all payers, Dmand AI patient panel data puts Dr. Hewgley, III's median patient age at 65, with 33% women.
Dr. Hewgley, III'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
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Isham C. Hewgley, III III wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Hewgley, III wrote 25 Medicare Part D claims. 92% of them were for generic drugs. They cover 4 drugs, with $605 in total drug cost. In 2020, CMS named 52 claims across 3 drugs.
Dr. Hewgley, III's Part D claims by kind of drug, 2024
- Generic23 claims92%
- Brand-name and other2 claims8%
Dr. Hewgley, III's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 522021: 5812%
Drugs named by CMS: 4 in 2021, 3 in 2020.
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. Isham C. Hewgley, III III graduated from University of Tennessee, Hsc, College of Medicine
Dr. Hewgley, III graduated from University of Tennessee, Hsc, College of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Isham C. Hewgley, III III'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. Isham C. Hewgley, III III
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What is Dr. Isham C. Hewgley, III III's NPI number?
Dr. Isham C. Hewgley, III III's NPI number is 1215915921. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Isham C. Hewgley, III III?
Dr. Isham C. Hewgley, III III is an internist in Athens, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Isham C. Hewgley, III III practice?
Dr. Hewgley, III practices at 10820 Parkside Dr, Knoxville, TN 37934-1956. Dr. Hewgley, III also practices at 1114 W Madison Ave, Athens, TN 37303. Dr. Hewgley, III's primary practice is Southeastern Physician Services - Knoxville (10820 Parkside Dr) in Knoxville, Tennessee. Dmand AI also links Dr. Hewgley, III to 1 group practice or clinic and 1 medical group.
What is Dr. Isham C. Hewgley, III III's office phone number?
The practice phone on file for Dr. Hewgley, III is (865) 218-7011.
What is Dr. Isham C. Hewgley, III III's medical license number?
Dr. Hewgley, III holds Tennessee license 16850.
What medical group is Dr. Isham C. Hewgley, III III part of?
Dr. Hewgley, III is linked to American Physician Partners. Dmand AI links Dr. Hewgley, III to 1 more medical group.
Does Dr. Isham C. Hewgley, III III accept Medicare?
Yes. CMS data shows Dr. Hewgley, III billed Medicare for 13 services in 2023.
What services does Dr. Isham C. Hewgley, III III bill to Medicare?
In 2023, Dr. Hewgley, III's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Isham C. Hewgley, III III go to medical school?
Dr. Hewgley, III graduated from University of Tennessee, Hsc, College of Medicine in 1984.
What drugs does Dr. Isham C. Hewgley, III III prescribe most?
In 2021 Medicare Part D data, Dr. Hewgley, III's most prescribed drugs by claims were Levofloxacin, Omeprazole and Potassium Chloride.
How long has Dr. Isham C. Hewgley, III III been practicing?
Dr. Hewgley, III graduated from medical school in 1984, 42 years ago.
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