Dr. Robert W. Walker, MD
- Medicare services, 2020
- 1,653
- Part D claims, 2024
- 14
- Hospital affiliations
- 1
- Industry payments
- $558
- Medical group
- 1
- Practice address
- 1 Medical Park Blvd, Bristol, TN 37620
- Practice phone
- Call (423) 844-1121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Bristol Regional Medical Center
Bristol, Tennessee
Find Dr. Walker'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. Robert W. Walker is an internist in Bristol, Tennessee
Dr. Walker practices at Bristol Regional Medical Center in Bristol, Tennessee.
Dr. Walker's NPI, 1902877137, was assigned on January 27, 2006. Dr. Walker holds North Carolina license 29182.
- NPI
- 1902877137NPI Registry (opens in a new tab)
- NPI enumeration date
- January 27, 2006
- NPI status
- Active
- Practice phone
- (423) 844-1121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Robert W. Walker practices at Bristol Regional Medical Center in Bristol, Tennessee
Dr. Walker's primary practice is Bristol Regional Medical Center, at 1 Medical Park Blvd, Bristol, TN 37620 in Sullivan County. The practice phone is (423) 844-1121.
- Bristol Regional Medical Center1 Medical Park Blvd, Bristol, TN 37620 · Sullivan CountyPhone(423) 844-1121
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Robert W. Walker is affiliated with 2 sites of care and 1 medical group
Dr. Walker's primary practice is Bristol Regional Medical Center in Bristol, Tennessee. Dr. Walker is also affiliated with Wythe County Community Hospital. The medical group on file is Ballad Health Medical Associates Family, Internal & Pediatric Medicine.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert W. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bristol Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Robert W. Walker is one of 2,427 internists in Tennessee
Internal medicine is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Walker's licenses on file in 3 states: North Carolina, Tennessee and Virginia.
Specialties and state licenses
- Internal medicine, North CarolinaPrimary
- Hospitalist, Tennessee
- Virginia license
Internists near Dr. Walker
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. Robert W. Walker billed Medicare for 1,653 services in 2020
CMS data shows 1,653 Medicare services from Dr. Walker across 7 procedure codes in 2020. Medicare paid $157,458 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2,4802020: 1,65333%
Dr. Walker compared with the Tennessee median for internists, 2020
- Dr. Walker
- Tennessee median
- Medicare services
- 1,653vs 6712.5 times
- Part D claims
- 51vs 33485% below
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Walker's most billed Medicare procedure codes, 2020
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. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert W. Walker's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 74, with 100% women.
Dr. Walker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Robert W. Walker wrote 14 Medicare Part D claims in 2024
In 2024, Dr. Walker wrote 14 Medicare Part D claims. 100% of them were for generic drugs. They cover 4 drugs, with $1,201 in total drug cost. In 2020, CMS named 91 claims across 6 drugs.
Dr. Walker'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: 912021: 5144%
Drugs named by CMS: 4 in 2021, 6 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Robert W. Walker received $558 in industry payments from 2016 to 2017
CMS Open Payments shows 33 general payments to Dr. Walker from 10 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $138.
General payments to Dr. Walker by program year, 2016 to 2017
Companies that paid Dr. Walker the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert W. Walker'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 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) |
| 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. Robert W. Walker
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. Robert W. Walker's NPI number?
Dr. Robert W. Walker's NPI number is 1902877137. It was assigned on January 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert W. Walker?
Dr. Robert W. Walker is an internist in Bristol, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Robert W. Walker practice?
Dr. Walker practices at 1 Medical Park Blvd, Bristol, TN 37620. Dr. Walker's primary practice is Bristol Regional Medical Center in Bristol, Tennessee.
What is Dr. Robert W. Walker's office phone number?
The practice phone on file for Dr. Walker is (423) 844-1121.
What is Dr. Robert W. Walker's medical license number?
Dr. Walker holds North Carolina license 29182, one of the licenses on file in 3 states.
Which states has Dr. Robert W. Walker been licensed in?
Dmand AI has state licenses on file for Dr. Walker in North Carolina, Tennessee and Virginia.
Which hospitals is Dr. Robert W. Walker affiliated with?
Dr. Walker is affiliated with Wythe County Community Hospital.
What medical group is Dr. Robert W. Walker part of?
Dr. Walker is linked to Ballad Health Medical Associates Family, Internal & Pediatric Medicine.
Does Dr. Robert W. Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 1,653 services in 2020.
What services does Dr. Robert W. Walker bill to Medicare?
In 2020, Dr. Walker's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).
Show 3 more questionsShow fewer questions
What drugs does Dr. Robert W. Walker prescribe most?
In 2021 Medicare Part D data, Dr. Walker's most prescribed drugs by claims were Digoxin, Losartan Potassium and Amlodipine Besylate.
Has Dr. Robert W. Walker received payments from drug or device companies?
CMS Open Payments shows $558 in general payments to Dr. Walker from 10 companies from 2016 to 2017. The largest total came from Pfizer Inc.
How long has Dr. Robert W. Walker been practicing?
Dr. Walker's NPI was assigned in 2006.
Selling to internal medicine practices?
See internists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card