Dr. John Albert Ehrenfried, MD
- Medicare services, 2024
- 313
- Medicare patients, 2024
- 152
- Part D claims, 2024
- 190
- Industry payments
- $23,512
- Medical group
- 1
- Practice address
- 2020 Brookside Dr, Kingsport, TN 37660
- Practice phone
- Call (423) 224-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Holston Valley Medical Center
Kingsport, Tennessee
Find Dr. Ehrenfried'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. John Albert Ehrenfried is a general surgeon in Kingsport, Tennessee
Dr. Ehrenfried practices at Holston Valley Medical Center in Kingsport, Tennessee.
Dr. Ehrenfried's NPI, 1841369402, was assigned on November 7, 2006. Dr. Ehrenfried graduated from Univ of Nebraska Medical Center, Col of Dentistry in 1991. Dr. Ehrenfried holds Tennessee license MD34462.
- NPI
- 1841369402NPI Registry (opens in a new tab)
- NPI enumeration date
- November 7, 2006
- NPI status
- Active
- Practice phone
- (423) 224-4000
- 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; and Dmand AI Practice Data
Dr. John Albert Ehrenfried practices at Holston Valley Medical Center in Kingsport, Tennessee
Dr. Ehrenfried's primary practice is Holston Valley Medical Center, at 2020 Brookside Dr, Kingsport, TN 37660 in Sullivan County. The practice phone is (423) 224-4000.
- Holston Valley Medical Center2020 Brookside Dr, Kingsport, TN 37660 · Sullivan CountyPhone(423) 224-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Albert Ehrenfried is affiliated with 1 site of care and 1 medical group
Dr. Ehrenfried's primary practice is Holston Valley Medical Center in Kingsport, Tennessee. The medical group on file is Ballad Health Medical Associates Family, Internal & Pediatric Medicine.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Albert Ehrenfried's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ehrenfried practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holston Valley Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Albert Ehrenfried is one of 548 general surgeons in Tennessee
Surgery is Dr. Ehrenfried's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Ehrenfried is licensed in Tennessee.
Specialties and state licenses
- Surgery, TennesseePrimary
General surgeons near Dr. Ehrenfried
Counts of general surgeons 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. John Albert Ehrenfried billed Medicare for 313 services in 2024
CMS data shows 313 Medicare services from Dr. Ehrenfried across 8 procedure codes in 2024, for 152 Medicare patients. Medicare paid $42,022 for them.
Dr. Ehrenfried's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2432024: 2257%
- Surgery
- 2023: 582024: 8852%
Where Dr. Ehrenfried's Medicare services took place, 2024
- In an office22572%
- In a facility8828%
Dr. Ehrenfried compared with the Tennessee median for general surgeons, 2024
- Dr. Ehrenfried
- Tennessee median
- Medicare services
- 313vs 17480% above
- Medicare patients
- 152vs 12225% above
- Part D claims
- 146vs 522.8 times
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Ehrenfried'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Albert Ehrenfried treated 152 Medicare patients in 2024, average age 74
CMS counts 152 Medicare patients who saw Dr. Ehrenfried in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ehrenfried's median patient age at 70, with 76% women.
Dr. Ehrenfried's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ehrenfried's Medicare patients by sex, 2024
- Women12180%
- Men3120%
Chronic conditions among Dr. Ehrenfried's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Cancer61%
- Arthritis41%
- Chronic kidney disease32%
- Diabetes32%
- Anxiety30%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ehrenfried's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women76%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Albert Ehrenfried wrote 190 Medicare Part D claims in 2024
In 2024, Dr. Ehrenfried wrote 190 Medicare Part D claims for 134 patients. 100% of them were for generic drugs. CMS names the drug for 146 of them, across 2 drugs with 11 or more claims each, at $470 in total drug cost. In 2023, CMS named 123 claims across 2 drugs.
Dr. Ehrenfried'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. Ehrenfried's Part D claims, 2024
- Opioids71%135 of 190 claims
- Antibiotics18%35 of 190 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: 1232024: 14619%
Drugs named by CMS: 2 in 2024, 2 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. John Albert Ehrenfried received $23,512 in industry payments from 2016 to 2025
CMS Open Payments shows 89 general payments to Dr. Ehrenfried from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 74% of the total. Intuitive Surgical, Inc. paid the most, $22,901.
General payments to Dr. Ehrenfried by program year, 2016 to 2025
General payments to Dr. Ehrenfried by kind, 2016 to 2025
- Education$17,50074%
- Travel and lodging$3,62315%
- Food and beverage$2,28910%
- Consulting fees$1000%
Companies that paid Dr. Ehrenfried the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Albert Ehrenfried graduated from Univ of Nebraska Medical Center, Col of Dentistry
Dr. Ehrenfried graduated from Univ of Nebraska Medical Center, Col of Dentistry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Albert Ehrenfried'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 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. John Albert Ehrenfried
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. John Albert Ehrenfried's NPI number?
Dr. John Albert Ehrenfried's NPI number is 1841369402. It was assigned on November 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Albert Ehrenfried?
Dr. John Albert Ehrenfried is a general surgeon in Kingsport, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John Albert Ehrenfried practice?
Dr. Ehrenfried practices at 2020 Brookside Dr, Kingsport, TN 37660. Dr. Ehrenfried's primary practice is Holston Valley Medical Center in Kingsport, Tennessee.
What is Dr. John Albert Ehrenfried's office phone number?
The practice phone on file for Dr. Ehrenfried is (423) 224-4000.
What is Dr. John Albert Ehrenfried's medical license number?
Dr. Ehrenfried holds Tennessee license MD34462.
What medical group is Dr. John Albert Ehrenfried part of?
Dr. Ehrenfried is linked to Ballad Health Medical Associates Family, Internal & Pediatric Medicine.
Does Dr. John Albert Ehrenfried accept Medicare?
Yes. CMS data shows Dr. Ehrenfried billed Medicare for 313 services in 2024.
How many Medicare patients does Dr. John Albert Ehrenfried see?
CMS counts 152 Medicare patients who saw Dr. Ehrenfried in 2024, with an average age of 74.
What services does Dr. John Albert Ehrenfried bill to Medicare?
In 2024, Dr. Ehrenfried's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99205) and office visit, established patient (99212).
Where did Dr. John Albert Ehrenfried go to medical school?
Dr. Ehrenfried graduated from Univ of Nebraska Medical Center, Col of Dentistry in 1991.
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What drugs does Dr. John Albert Ehrenfried prescribe most?
In 2024 Medicare Part D data, Dr. Ehrenfried's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Doxycycline Hyclate.
Has Dr. John Albert Ehrenfried received payments from drug or device companies?
CMS Open Payments shows $23,512 in general payments to Dr. Ehrenfried from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John Albert Ehrenfried been practicing?
Dr. Ehrenfried graduated from medical school in 1991, 35 years ago.
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