NPPES file of Aug 9, 2026

Alyssa Renee Walker

Physician Assistant · Columbia, SC

Alyssa Renee Walker is a physician assistant with a practice address in Columbia, South Carolina, and NPI 1174136816, issued on Aug 24, 2020. Check the license (South Carolina 4595, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174136816
Name
Alyssa Renee Walker
Primary taxonomy
Physician Assistant 363A00000X
License number
4595 SC
Self-reported in NPPES; status is on the state search
Practice location
8 Richland Medical Park Dr Ste 100, Columbia, SC 29203
Phone
(803) 434-3800
Enumerated
Aug 24, 2020
Record last updated
Sep 3, 2025
Fax
(803) 744-2859
Medicare enrollment
Enrolled (PECOS I20221111000521); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 2022
Telehealth
Offers telehealth (CMS)
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.
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Also registered at 8 Richland Medical Park Dr Ste 100

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

  1. Catherine Allgrim, ACNPAcute Care Nurse Practitioner1669808382
  2. Rodel Bobadilla, N.P.Family Nurse Practitioner1942312111
  3. Micheal Bunger, ACNPAcute Care Nurse Practitioner1881933885
  4. Chloe CobbPhysician Assistant1124812557
  5. Hannah CountsPhysician Assistant1639845589
  6. Michael Cryer, M.D.Interventional Cardiology Physician1285047191

Verify Alyssa Renee Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 4595
    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
Find 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.

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3.0 times the Medicare Part D claims of the average physician assistant in 2024

2,529 Medicare Part D claims for 462 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Alyssa Walker2,529
  2. Specialty average830

Most prescribed

  1. Metoprolol Succinate271 claims
  2. Atorvastatin Calcium222 claims
  3. Eliquis199 claims
  4. Spironolactone155 claims
  5. Furosemide142 claims
  6. Amlodipine Besylate122 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.

The MIPS final score for 2023 (Medicare payment program): 99.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,645.38

71 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alyssa Walker$1,645.38
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Prisma Health Medical Group-MidlandsColumbia, SC

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

Alyssa Renee Walker among 2,294 physician assistant records in South Carolina

Alyssa Renee Walker is one of 2,294 physician assistant 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 2020, is newer than 57% of them.

  • NPI issued2020 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2022 · median 2019 among the 1,516 with a school on file
  • Record last updated2025 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

247 physician assistant records list a practice address in Columbia

They are 247 of the 11,200 NPPES records with a practice address in Columbia, and 2,294 physician assistant records in South Carolina.

The 8 physician assistant records with the nearest ZIP codes

  1. Gregory Barefoot, P.A.C.Columbia, SC 292031386601102
  2. Jessamyn Bartley, PAColumbia, SC 292031740251115
  3. Charles Crafton, PA-CColumbia, SC 292031629039847
  4. Karin Duffy, PA-CColumbia, SC 292031780638643
  5. Gregory Furness, PACColumbia, SC 292031134129174
  6. Christina Harman, PAColumbia, SC 292031659360691
  7. Anne Hendrix, P.A.Columbia, SC 292031013982917
  8. Stephanie Kimbrough, PAColumbia, SC 292031144295528

Common questions

What is Alyssa Renee Walker's NPI number?

Alyssa Renee Walker's National Provider Identifier (NPI) is 1174136816, issued on Aug 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alyssa Renee Walker located?

The NPPES record lists a practice address at 8 Richland Medical Park Dr Ste 100, Columbia, SC, 29203. Phone: (803) 434-3800. Providers update this record themselves, so call before visiting.

How can I verify Alyssa Renee Walker's license?

NPPES lists South Carolina license number 4595, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Alyssa Renee Walker prescribe under Medicare Part D?

In 2024, Alyssa Renee Walker had 2,529 Medicare Part D claims for 462 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Alyssa Renee Walker's MIPS final score?

The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.