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Dr. Donald E. Barker, MD
NPI1164416707
- Medicare services, 2019
- 647
- Part D claims, 2017
- 25
- Publications
- 16
- Industry payments
- $456
- State license
- 1
- Practice address
- 975 E 3rd St, Chattanooga, TN 37403
- Practice phone
- Call (423) 267-0466
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
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Dr. Donald E. Barker is a general surgeon in Chattanooga, Tennessee
Dr. Barker practices in Chattanooga, Tennessee.
Dr. Barker's NPI, 1164416707, was assigned on September 9, 2005. Dr. Barker holds Tennessee license MD9474.
NPI and contact details
- NPI
- 1164416707NPI Registry (opens in a new tab)
- NPI enumeration date
- September 9, 2005
- NPI status
- Active
- Practice phone
- (423) 267-0466
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Donald E. Barker's practice address is in Chattanooga, Tennessee
Dr. Barker's practice address in the NPI Registry is 975 E 3rd St, Chattanooga, TN 37403, in Hamilton County. The practice phone is (423) 267-0466.
- NPI Registry address975 E 3rd St, Chattanooga, TN 37403 · Hamilton CountyPhone(423) 267-0466
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Donald E. Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Barker's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Donald E. Barker is one of 548 general surgeons in Tennessee
Surgery is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Barker is licensed in Tennessee.
Specialties and state licenses
- Surgery, TennesseePrimary
General surgeons near Dr. Barker
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. Donald E. Barker billed Medicare for 647 services in 2019
CMS data shows 647 Medicare services from Dr. Barker across 5 procedure codes in 2019. Medicare paid $47,801 for them.
Medicare services, 2019647
Paid by Medicare$47,801
Procedure codes5
Dr. Barker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 6312019: 6473%
Where Dr. Barker's Medicare services took place, 2019
- In an office487%
- In a facility59993%
Dr. Barker compared with the Tennessee median for general surgeons, 2019
- Dr. Barker
- Tennessee median
- Medicare services
- 647vs 1743.7 times
- Part D claims
- 25vs 5252% below
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Barker's most billed Medicare procedure codes, 2019
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. Barker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Barker and other general surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald E. Barker wrote 25 Medicare Part D claims in 2017
In 2017, Dr. Barker wrote 25 Medicare Part D claims. They cover 2 drugs, with $230 in total drug cost. In 2016, CMS named 16 claims across 1 drug.
Part D claims, 201725
Drugs named by CMS2
Total drug cost$230
Dr. Barker's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 162017: 2556%
Drugs named by CMS: 2 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Donald E. Barker has 16 publications on record
Dmand AI links 16 papers to Dr. Barker, published from 2013 to 2023. 2020 was the busiest year, with 3. The most frequent topics are Trauma Centers, Injury Severity Score and Wounds and Injuries. Dr. Barker has published most often in Am Surg. Dr. Barker's most frequent co-authors are Robert A. Maxwell, MD, Vicente Alonso Mejia, MD and Joshua David Arnold, MD.
Papers16
Years published2013 to 2023
Dr. Barker's papers by year, 2013 to 2023
Topics Dr. Barker writes about most
- Trauma Centers
- Injury Severity Score
- Wounds and Injuries
- Copepoda
- Cross Infection
- Ectoparasitic Infestations
- Intensive Care Units
- Length of Stay
Dr. Barker's most frequent co-authors
- Robert A. Maxwell, MD7 shared papers
- Vicente Alonso Mejia, MD3 shared papers
- Joshua David Arnold, MD1 shared paper
Recent publications by Dr. Barker
Fracture FixationLength of StayRib Fractures
Chest TubesEmergency Medical ServicesInjury Severity Score
Clinical CompetenceEducation, Nursing, BaccalaureateLearning
Occup Ther Health Care
CanadaOccupational TherapyPreceptorship
See who Dr. Barker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Barker works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Donald E. Barker received $456 in industry payments from 2016 to 2021
CMS Open Payments shows 15 general payments to Dr. Barker from 7 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 97% of the total. Ethicon Inc. paid the most, $206.
General payments to Dr. Barker by program year, 2016 to 2021
General payments to Dr. Barker by kind, 2016 to 2021
$456in total
- Food and beverage$44397%
- Education$143%
Companies that paid Dr. Barker the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Donald E. Barker'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 |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Donald E. Barker
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. Donald E. Barker's NPI number?
Dr. Donald E. Barker's NPI number is 1164416707. It was assigned on September 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald E. Barker?
Dr. Donald E. Barker is a general surgeon in Chattanooga, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Donald E. Barker practice?
Dr. Barker practices at 975 E 3rd St, Chattanooga, TN 37403.
What is Dr. Donald E. Barker's office phone number?
The practice phone on file for Dr. Barker is (423) 267-0466. Dmand AI also checks direct phone and mobile numbers, available with a free account.
What is Dr. Donald E. Barker's email address?
Dmand AI checks professional and personal email addresses for Dr. Barker through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Donald E. Barker's medical license number?
Dr. Barker holds Tennessee license MD9474.
Does Dr. Donald E. Barker accept Medicare?
Yes. CMS data shows Dr. Barker billed Medicare for 647 services in 2019.
What services does Dr. Donald E. Barker bill to Medicare?
In 2019, Dr. Barker's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
What drugs does Dr. Donald E. Barker prescribe most?
In 2017 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.
Has Dr. Donald E. Barker received payments from drug or device companies?
CMS Open Payments shows $456 in general payments to Dr. Barker from 7 companies from 2016 to 2021. The largest total came from Ethicon Inc.
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How long has Dr. Donald E. Barker been practicing?
Dr. Barker's NPI was assigned in 2005.
Does Dr. Donald E. Barker do research?
Dmand AI links 16 publications to Dr. Barker, published from 2013 to 2023.
Who does Dr. Donald E. Barker publish with?
Dr. Barker's most frequent co-authors are Robert A. Maxwell, MD (7 shared papers), Vicente Alonso Mejia, MD (3 shared papers) and Joshua David Arnold, MD (1 shared paper).
What EHR does Dr. Donald E. Barker's practice use?
Dmand AI tracks the EHR system at Dr. Barker's practice. The vendor and product are available with a free Dmand AI account.
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