ANDREW WALKER MD
NPI 1629458906
Anesthesiology in Nashville, TN

Q: What is Andrew Walker's NPI number?

The NPI number for Andrew Walker is 1629458906. It was assigned to this individual provider in the NPPES registry on June 2, 2015.

Q: What is Andrew Walker's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Walker was last updated on May 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 02, 2015PECOS EnrolledAccepts Medicare Assignment

87.25/100

CMS Quality Rating

4230 HARDING PIKE STE 435, NASHVILLE, TN 37205(615) 385-3704(615) 292-1321 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: May 6, 2026, Jul 25, 2019 (2 updates tracked since 2019).

On this page

About Andrew Walker Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANDREW WALKER MD (NPI 1629458906) is an individual anesthesiology provider in Nashville, Tennessee, licensed in Tennessee (56872) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS, is affiliated with Maury Regional Hospital, and maintains a secondary practice location in Memphis.

NPPES Registry Identity

NPI1629458906

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameANDREW WALKERCredential: MD

Location Address4230 HARDING PIKE STE 435Nashville, TN 37205-4900

Mailing Address4230 Harding Pike Ste 435Nashville, TN 37205-4900 · (615) 385-3704 · Fax (615) 292-1321

Phone(615) 385-3704

Fax(615) 292-1321

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateJune 2, 2015

Last NPPES UpdateMay 6, 20262 updates tracked since enumeration

NPPES CertifiedMay 6, 2026

✔ NPI 1629458906 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in TN · 56872

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

4230 HARDING PIKE STE 435, Nashville, TN 37205

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Secondary Practice Location 1

Location 11265 Union AveMemphis, TN 38104-3415 · Phone (901) 725-5846

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Andrew Walker Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547510471

PECOS Enrollment IDI20191016001495

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 25

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

147 services141 patients

Anesthesia for other procedure on large bowel using an endoscope 00811

Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.

77 services75 patients

Anesthesia for lens surgery 00142

Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.

68 services63 patients

Anesthesia for procedure on small and large bowel using an endoscope 00813

Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.

56 services56 patients

Anesthesia for procedure for total knee joint replacement 01402

Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.

43 services43 patients

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415

This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.

43 services42 patients

Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447

This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.

40 services40 patients

Anesthesia for other procedure on upper abdomen 00790

Anesthesia for an upper abdomen procedure involves using medications to help you feel no pain during the operation. It can be general, where you're unconscious, or regional, where just the abdomen area is numbed. It ensures comfort and stillness, aiding a successful procedure.

38 services38 patients

Anesthesia for open or endoscopic total shoulder joint replacement 01638

Anesthesia for total shoulder joint replacement, either open or endoscopic, involves using medications to block pain during surgery. It can be general (you're asleep) or regional (only the area being operated on is numbed). This ensures comfort and stillness, facilitating a successful procedure.

36 services35 patients

Anesthesia for other procedure on neck area (1 year or older) 00320

Anesthesia for a procedure on the neck area is a medical service provided to ensure you remain comfortable and pain-free during the operation. It involves administering medication to numb the neck region or to induce sleep. The method chosen depends on the specific procedure and your overall health.

32 services31 patients

Anesthesia for exam of colon using an endoscope 00812

Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.

32 services32 patients

Anesthesia for x-ray or radiation therapy 01922

Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.

32 services31 patients

Anesthesia for other procedure on urinary system through urethra 00910

Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.

31 services30 patients

Anesthesia for other procedure on skin of arms, legs, and front body 00400

Anesthesia for procedures on the skin of your arms, legs, and front body is a service that numbs the area being treated. This ensures you don't feel pain during procedures like biopsies, stitches, or minor surgeries. It's administered through a small injection or a topical cream.

20 services19 patients

Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back 00300

Anesthesia for procedures on skin, muscles, or nerves of the head, neck, and upper back involves using medication to numb the area or make you unconscious during the procedure. This ensures you don't feel pain or discomfort. It's safe and monitored by professionals.

19 services19 patients

Other procedure on nervous system 64999

A procedure on the nervous system can involve various techniques to diagnose or treat conditions affecting your brain, spinal cord, or nerves. These can include surgeries, tests, or therapies. It's done by specialized doctors to help improve your neurological health.

18 services18 patients

Anesthesia for extensive surgery on spine 00670

Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.

17 services17 patients

Anesthesia for other procedure on lower abdomen 00840

Anesthesia for a lower abdomen procedure involves medication to eliminate pain during surgery. You might be awake but relaxed and pain-free, or you may be completely unconscious. It's administered to ensure comfort and safety throughout the operation.

16 services16 patients

Anesthesia for access to central vein 00532

Anesthesia for access to a central vein is a medical procedure where a numbing medication is used to minimize discomfort during the insertion of a long, thin tube into a large vein. This tube can be used to deliver medications, fluids, or to collect blood samples.

15 services15 patients

Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope 00918

This procedure involves using anesthesia to ensure comfort while a special instrument called an endoscope helps to locate, break up, and possibly remove kidney stones. The endoscope is a thin, flexible tube which is gently inserted and navigated to the area of concern.

15 services15 patients

Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope 00732

This procedure involves using an endoscope, a flexible tube with a light and camera, to examine or treat your gallbladder, pancreas, or liver. Anesthesia is administered to ensure you're comfortable and pain-free during the procedure.

14 services12 patients

Anesthesia for procedure on anus and rectum 00902

Anesthesia for procedures on the anus and rectum ensures comfort during medical procedures. It involves the administration of medication to numb the area or induce sleep, so you don't feel pain or discomfort. This helps doctors perform necessary procedures smoothly and effectively.

14 services14 patients

Anesthesia for removal of urinary bladder tumors including use of an endoscope 00912

This procedure involves the use of anesthesia to ensure comfort while an endoscope, a thin tube with a light and camera, is used to identify and remove abnormal growths in the bladder. It's a minimally invasive approach to maintain bladder health.

14 services14 patients

Anesthesia for other procedure on lower leg, ankle, and foot bones 01480

Anesthesia for procedures on lower leg, ankle, and foot bones involves administering medication to block pain and sensation in these areas. This allows doctors to perform necessary treatments or surgeries without causing discomfort. The type of anesthesia used can vary based on the specific procedure.

13 services13 patients

Anesthesia for total hip replacement 01214

Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Maury Regional Hospital

Acute Care Hospitals · Columbia, TN

3/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number440073

Location1224 Trotwood AveColumbia, TN 38401 · Maury County

Emergency services Birthing friendly

Southern Tennessee Regional Health System Lawrence

Acute Care Hospitals · Lawrenceburg, TN

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number440175

Location1607 South Locust AvenueLawrenceburg, TN 38464 · Lawrence County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.25/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID STEIGER M.D.

Internal Medicine (Critical Care Medicine)