NPPES file of Aug 9, 2026

Chadwick Glenn Walls

Internal Medicine Physician · Columbia, SC

Chadwick Glenn Walls is an internal medicine physician with a practice address in Columbia, South Carolina, and NPI 1811561269, issued on May 19, 2021. Check the license (South Carolina LL86164, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811561269
Name
Chadwick Glenn Walls
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
LL86164 SC
Self-reported in NPPES; status is on the state search
Practice location
Prisma Health Medical Group Internal Medicine Center, Columbia, SC 29203
Phone
(803) 434-4153
Enumerated
May 19, 2021
Record last updated
Jul 11, 2024
Fax
(803) 434-4160
Medicare enrollment
Enrolled (PECOS I20241010000362); accepts Medicare assignment
Medical or professional school
University Of South Carolina School Of Medicine, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at Prisma Health Medical Group Internal Medicine Center

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ronald CassadaInternal Medicine Physician1346814894
  2. Eric KlingemanInternal Medicine Physician1568036911
  3. Andrew MoserInternal Medicine Physician1548834997
  4. Alexander NayInternal Medicine Physician1437723889
  5. Brenton SinopoliInternal Medicine Physician1164096517

Verify Chadwick Glenn Walls in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license LL86164
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

87% fewer Medicare Part D claims than the average internal medicine physician in 2024

407 Medicare Part D claims for 122 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Chadwick Walls407
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate34 claims
  2. Atorvastatin Calcium22 claims
  3. Losartan Potassium20 claims
  4. Hydrochlorothiazide15 claims
  5. Levothyroxine Sodium14 claims
  6. Valsartan12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Galen Inpatient Physicians PCGreenville, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chadwick Glenn Walls among 1,881 internal medicine physician records in South Carolina

Chadwick Glenn Walls is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 78% of them.

  • NPI issued2021 · 78% of these records are older, 18% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2021 · median 2006 among the 1,119 with a school on file
  • Record last updated2024 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

269 internal medicine physician records list a practice address in Columbia

They are 269 of the 11,200 NPPES records with a practice address in Columbia, and 1,881 internal medicine physician records in South Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gary Bell, M.D.Columbia, SC 292031689640922
  2. Anthony Elkins, MDColumbia, SC 292031629045505
  3. James Gasque, MDColumbia, SC 292031255326096
  4. Brown McCallum, M.D.Columbia, SC 292031124090352
  5. Kay McFarland, M.D.Columbia, SC 292031205803020
  6. Fanwei Meng, MDColumbia, SC 292031780650937
  7. H Murdaugh, M.D.Columbia, SC 292031083680946
  8. Mieke Perez, MDColumbia, SC 292031881670305

Common questions

What is Chadwick Glenn Walls's NPI number?

Chadwick Glenn Walls's National Provider Identifier (NPI) is 1811561269, issued on May 19, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Chadwick Glenn Walls located?

The NPPES record lists a practice address at Prisma Health Medical Group Internal Medicine Center, Columbia, SC, 29203. Phone: (803) 434-4153. Providers update this record themselves, so call before visiting.

How can I verify Chadwick Glenn Walls's license?

NPPES lists South Carolina license number LL86164, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chadwick Glenn Walls prescribe under Medicare Part D?

In 2024, Chadwick Glenn Walls had 407 Medicare Part D claims for 122 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.