NPPES file of Aug 9, 2026

Kelby Lynn Withrow, PA-C

Physician Assistant · Ballwin, MO

Kelby Lynn Withrow, PA-C is a physician assistant with a practice address in Ballwin, Missouri, and NPI 1770048308, issued on Feb 7, 2019. Check the license (Missouri 2022009903, as entered in NPPES) with the Missouri 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
1770048308
Name
Kelby Lynn Withrow
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
2022009903 MO
Self-reported in NPPES; status is on the state search
Practice location
13861 Manchester RD, Ballwin, MO 63011
Phone
(636) 556-0114
Enumerated
Feb 7, 2019
Record last updated
Apr 18, 2023
Medicare enrollment
Enrolled (PECOS I20220408001793); accepts Medicare assignment
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 13861 Manchester RD

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

  1. Amber Bertoglio, PA-CPhysician Assistant1528506557
  2. Mareesha Carter, FNP-CFamily Nurse Practitioner1285463133
  3. Margaret ConnellyPhysician Assistant1376285510
  4. Ann CribbinFamily Nurse Practitioner1215529870
  5. Ashleigh Glass, PA-CPhysician Assistant1992204317
  6. Natalie Hanalei, FNP-CFamily Nurse Practitioner1760215214

Verify Kelby Lynn Withrow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2022009903
    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 Missouri license search

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68% fewer Medicare Part D claims than the average physician assistant in 2024

268 Medicare Part D claims for 178 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Kelby Withrow268
  2. Specialty average830

Most prescribed

  1. Prednisone61 claims
  2. Amoxicillin-Clavulanate Potass49 claims
  3. Doxycycline Monohydrate30 claims
  4. Azithromycin18 claims
  5. Cephalexin17 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 practice group's MIPS final score for 2023 (Medicare payment program): 54.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score47.4
  2. Costout of 100 · 30%85.0
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Bills Medicare through one group practice

  1. Total Access Urgent Care PCSaint Louis, MO

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

Kelby Lynn Withrow among 1,790 physician assistant records in Missouri

Kelby Lynn Withrow, PA-C is one of 1,790 physician assistant records with a practice address in Missouri. 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 2019, is newer than 50% of them.

  • NPI issued2019 · 50% of these records are older, 43% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2021 · median 2019 among the 1,250 with a school on file
  • Record last updated2023 · 32% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 physician assistant records list a practice address in Ballwin

They are 8 of the 562 NPPES records with a practice address in Ballwin, and 1,790 physician assistant records in Missouri.

The 8 physician assistant records with the nearest ZIP codes

  1. Amber Bertoglio, PA-CBallwin, MO 630111528506557
  2. Margaret ConnellyBallwin, MO 630111376285510
  3. Ashleigh Glass, PA-CBallwin, MO 630111992204317
  4. Abigail Groos, PA-CEllisville, MO 630111356068894
  5. Shannon Hamilton, PAManchester, MO 630111164713632
  6. Mark Holder, PA-CManchester, MO 630111659988533
  7. Mary Kitchura, PABallwin, MO 630111538056148
  8. Sarah Peter, PA-CBallwin, MO 630111831699032

Common questions

What is Kelby Lynn Withrow, PA-C's NPI number?

Kelby Lynn Withrow, PA-C's National Provider Identifier (NPI) is 1770048308, issued on Feb 7, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Kelby Lynn Withrow, PA-C located?

The NPPES record lists a practice address at 13861 Manchester RD, Ballwin, MO, 63011. Phone: (636) 556-0114. Providers update this record themselves, so call before visiting.

How can I verify Kelby Lynn Withrow, PA-C's license?

NPPES lists Missouri license number 2022009903, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Kelby Lynn Withrow, PA-C prescribe under Medicare Part D?

In 2024, Kelby Lynn Withrow, PA-C had 268 Medicare Part D claims for 178 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Kelby Lynn Withrow, PA-C's MIPS final score?

The 2023 MIPS final score is 54.7 of 100, reported for the practice group. 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.