Dr. Andrew Walker, MD
- Medicare services, 2024
- 862
- Medicare patients, 2024
- 838
- MIPS score, 2024
- 86
- Hospital affiliations
- 3
- Industry payments
- $69
- Practice address
- 1224 Trotwood Ave, Columbia, TN 38401
- Practice phone
- Call (931) 381-1111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Andrew Walker is an anesthesiologist in Columbia, Tennessee
Dr. Walker practices at Maury Regional Medical Center in Columbia, Tennessee, part of Maury County.
Dr. Walker's NPI, 1629458906, was assigned on June 2, 2015. Dr. Walker holds Tennessee license 56872.
- NPI
- 1629458906NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547510471
- NPI enumeration date
- June 2, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (931) 381-1111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew Walker practices at Maury Regional Medical Center in Columbia, Tennessee
Dr. Walker's primary practice is Maury Regional Medical Center, at 1224 Trotwood Ave, Columbia, TN 38401 in Maury County. The practice phone is (931) 381-1111.
- Maury Regional Medical Center1224 Trotwood Ave, Columbia, TN 38401 · Maury CountyPhone(931) 381-1111
Source: Dmand AI Affiliation Data
Dr. Andrew Walker is affiliated with 5 sites of care and 3 medical groups
Dr. Walker's primary practice is Maury Regional Medical Center in Columbia, Tennessee, part of Maury County. Dr. Walker is also affiliated with Select Specialty Hospital - Memphis. The medical group on file is Cardiovascular Anesthesiologists, P.C. Dmand AI also links Dr. Walker to 1 more hospital, 2 group practices and clinics and 2 medical groups, 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. Andrew 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 |
|---|---|
| Maury Regional Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andrew Walker is one of 734 anesthesiologists in Tennessee
Anesthesiology is Dr. Walker's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Walker is licensed in Tennessee.
Specialties and state licenses
- Anesthesiology, TennesseePrimary
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. Andrew Walker billed Medicare for 862 services in 2024
CMS data shows 862 Medicare services from Dr. Walker across 25 procedure codes in 2024, for 838 Medicare patients. Medicare paid $61,666 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: 692024: 7611003%
- Surgery
- 2023: 112024: 101818%
- Office and hospital visits
- 2023: 112024: 0100%
Dr. Walker compared with the Tennessee median for anesthesiologists, 2024
- Dr. Walker
- Tennessee median
- Medicare services
- 862vs 8310.4 times
- Medicare patients
- 838vs 1475.7 times
Medians across 729 anesthesiologists in Tennessee 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 Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew Walker treated 838 Medicare patients in 2024, average age 74
CMS counts 838 Medicare patients who saw Dr. Walker in 2024. The largest group is 65 to 74, with 396 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Walker's median patient age at 69, with 51% women.
Dr. Walker's Medicare patients by age, 2024
Dr. Walker's Medicare patients by sex, 2024
- Women44753%
- Men39147%
Chronic conditions among Dr. Walker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Diabetes39%
- Chronic kidney disease35%
- Anxiety34%
- Ischemic heart disease30%
- Mood disorders29%
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 69
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew Walker scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Walker for performance year 2024, reported as part of a group. Dr. Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Walker's MIPS scores, performance year 2024
- 86of 100Final score
- 83.2of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Andrew Walker received $69 in industry payments from 2018 to 2024
CMS Open Payments shows 4 general payments to Dr. Walker from 3 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $36.
General payments to Dr. Walker by program year, 2018 to 2024
Companies that paid Dr. Walker the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Andrew 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)Clinician Public Reporting: Overall MIPS Performance (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. Andrew 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. Andrew Walker's NPI number?
Dr. Andrew Walker's NPI number is 1629458906. It was assigned on June 2, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew Walker?
Dr. Andrew Walker is an anesthesiologist in Columbia, Tennessee. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Andrew Walker practice?
Dr. Walker practices at 1224 Trotwood Ave, Columbia, TN 38401. Dr. Walker's primary practice is Maury Regional Medical Center in Columbia, Tennessee, part of Maury County. Dmand AI also links Dr. Walker to 1 hospital, 2 group practices and clinics and 2 medical groups.
What is Dr. Andrew Walker's office phone number?
The practice phone on file for Dr. Walker is (931) 381-1111.
What is Dr. Andrew Walker's medical license number?
Dr. Walker holds Tennessee license 56872.
Which hospitals is Dr. Andrew Walker affiliated with?
Dr. Walker practices at Maury Regional Medical Center in Columbia, Tennessee. Dr. Walker is also affiliated with Select Specialty Hospital - Memphis. Dmand AI links Dr. Walker to 1 more hospital.
What medical group is Dr. Andrew Walker part of?
Dr. Walker is linked to Cardiovascular Anesthesiologists, P.C. Dmand AI links Dr. Walker to 2 more medical groups.
Does Dr. Andrew Walker accept Medicare?
Yes. CMS data shows Dr. Walker billed Medicare for 862 services in 2024, and Dr. Walker accepts Medicare assignment.
What is Dr. Andrew Walker's MIPS score?
Dr. Walker's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Andrew Walker see?
CMS counts 838 Medicare patients who saw Dr. Walker in 2024, with an average age of 74.
Show 3 more questionsShow fewer questions
What services does Dr. Andrew Walker bill to Medicare?
In 2024, Dr. Walker's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00142).
Has Dr. Andrew Walker received payments from drug or device companies?
CMS Open Payments shows $69 in general payments to Dr. Walker from 3 companies from 2018 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Andrew Walker been practicing?
Dr. Walker graduated from medical school in 2015, 11 years ago.
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