Dr. John Robert Walker, MD
- Medicare services, 2024
- 212
- Medicare patients, 2024
- 302
- Hospital affiliations
- 4
- Industry payments
- $2,371
- Medical group
- 1
- Practice address
- 400 East 10th Street, Anniston, AL 36207
- Practice phone
- Call (256) 235-5121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John Robert Walker is an anesthesiologist in Anniston, Alabama
Dr. Walker practices at Regional Medical Center in Anniston, Alabama, part of Orlando Health.
Dr. Walker's NPI, 1588982573, was assigned on May 14, 2010. Dr. Walker graduated from University of Alabama School of Medicine in 2010. Dr. Walker holds Alabama license 31630.
- NPI
- 1588982573NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305082900
- NPI enumeration date
- May 14, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 235-5121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Robert Walker practices at Regional Medical Center in Anniston, Alabama
Dr. Walker's primary practice is Regional Medical Center, at 400 East 10th Street, Anniston, AL 36207 in Calhoun County. The practice phone is (256) 235-5121.
- Regional Medical Center400 East 10th Street, Anniston, AL 36207 · Calhoun CountyPhone(256) 235-5121
Source: Dmand AI Affiliation Data
Dr. John Robert Walker is affiliated with 5 sites of care and 1 medical group
Dr. Walker's primary practice is Regional Medical Center in Anniston, Alabama, part of Orlando Health. Dr. Walker is also affiliated with Huntsville Hospital. The medical group on file is Anesthesia Associates, P.A. Dmand AI also links Dr. Walker to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Robert Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walker practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Robert Walker is one of 526 anesthesiologists in Alabama
Anesthesiology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Walker is licensed in Alabama.
Specialties and state licenses
- Anesthesiology, AlabamaPrimary
Anesthesiologists near Dr. Walker
Counts of anesthesiologists 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 Robert Walker billed Medicare for 212 services in 2024
CMS data shows 212 Medicare services from Dr. Walker across 11 procedure codes in 2024, for 302 Medicare patients. Medicare paid $12,815 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Walker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1572024: 19725%
- Surgery
- 2023: 412024: 1563%
Dr. Walker compared with the Alabama median for anesthesiologists, 2024
- Dr. Walker
- Alabama median
- Medicare services
- 212vs 16231% above
- Medicare patients
- 302vs 25817% above
Medians across 549 anesthesiologists in Alabama with Dmand AI profiles that report each measure.
Dr. Walker'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.
Need commercial claims for Dr. Walker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walker and other anesthesiologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Robert Walker treated 302 Medicare patients in 2024, average age 73
CMS counts 302 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 65, with 61% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women16856%
- Men13444%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Diabetes46%
- Chronic kidney disease43%
- Ischemic heart disease38%
- Mood disorders38%
- Anxiety36%
Share of Medicare patients with each condition. A patient can have several.
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 65
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Robert Walker takes part in Medicare
Dr. Walker 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. John Robert Walker received $2,371 in industry payments from 2016 to 2019
CMS Open Payments shows 13 general payments to Dr. Walker from 2 drug and device companies from 2016 to 2019. Speaker and faculty fees make up the largest share, 93% of the total. Pacira Pharmaceuticals Incorporated paid the most, $2,353.
General payments to Dr. Walker by program year, 2016 to 2019
General payments to Dr. Walker by kind, 2016 to 2019
- Speaker and faculty fees$2,20093%
- Food and beverage$1567%
- Education$161%
Companies that paid Dr. Walker the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Robert Walker graduated from University of Alabama School of Medicine
Dr. Walker graduated from University of Alabama School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Robert 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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 DataMedicare Physician & Other Practitioners - 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. John Robert 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. John Robert Walker's NPI number?
Dr. John Robert Walker's NPI number is 1588982573. It was assigned on May 14, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. John Robert Walker?
Dr. John Robert Walker is an anesthesiologist in Anniston, Alabama. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Robert Walker practice?
Dr. Walker practices at 400 East 10th Street, Anniston, AL 36207. Dr. Walker's primary practice is Regional Medical Center in Anniston, Alabama, part of Orlando Health. Dmand AI also links Dr. Walker to 2 hospitals and 1 group practice or clinic.
What is Dr. John Robert Walker's office phone number?
The practice phone on file for Dr. Walker is (256) 235-5121.
What is Dr. John Robert Walker's medical license number?
Dr. Walker holds Alabama license 31630.
Which hospitals is Dr. John Robert Walker affiliated with?
Dr. Walker practices at Regional Medical Center in Anniston, Alabama. Dr. Walker is also affiliated with Huntsville Hospital. Dmand AI links Dr. Walker to 2 more hospitals.
What medical group is Dr. John Robert Walker part of?
Dr. Walker is linked to Anesthesia Associates, P.A.
Does Dr. John Robert Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 212 services in 2024, and Dr. Walker accepts Medicare assignment.
How many Medicare patients does Dr. John Robert Walker see?
CMS counts 302 Medicare patients who saw Dr. Walker in 2024, with an average age of 73.
What services does Dr. John Robert Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00813).
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Where did Dr. John Robert Walker go to medical school?
Dr. Walker graduated from University of Alabama School of Medicine in 2010.
Has Dr. John Robert Walker received payments from drug or device companies?
CMS Open Payments shows $2,371 in general payments to Dr. Walker from 2 companies from 2016 to 2019. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. John Robert Walker been practicing?
Dr. Walker graduated from medical school in 2010, 16 years ago.
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