Matthew John Pierzala, D.O.
Internal Medicine Physician · Louisa, KY
Matthew John Pierzala, D.O. is an internal medicine physician with a practice address in Louisa, Kentucky, and NPI 1811931389, issued on Jun 15, 2006. Check the license (Kentucky KY02941, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Matthew John Pierzala
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- KY02941 KY
3522 WV
Self-reported in NPPES; status is on the state search - Practice location
- 203 S Water St, Louisa, KY 41230
- Phone
- (606) 649-2211
- Enumerated
- Jun 15, 2006
- Record last updated
- Dec 4, 2025
- Fax
- (606) 638-1399
- Medicaid ID
- 7100027040 KY
- Medicare enrollment
- Enrolled (PECOS I20061113000155); accepts Medicare assignment
- Medical or professional school
- University Of Pikeville, Kentucky College Of Osteopathic Med, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,526 in Kentucky → Look up another NPI →
Also registered at 203 S Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Veronica Armstrong, APRNPsychiatric/Mental Health Nurse Practitioner1922200161
- Jonathan Bowling, PSSPeer Specialist1972482545
- Caley BrandonCommunity Health Worker1528930583
- Donald BrownCommunity Health Worker1780383950
- Rodney Brown, NPFamily Nurse Practitioner1568100436
- Benjamin Browning, DOFamily Medicine Physician1184685703
Verify Matthew John Pierzala in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersKentucky Board of Medical Licensure
Search for license KY02941Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,335 Medicare Part D claims for 362 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.
Most prescribed
- Ibuprofen296 claims
- Hydroxyzine Pamoate186 claims
- Naloxone Hcl159 claims
- Ondansetron Odt148 claims
- Clonidine Hcl137 claims
- Methocarbamol130 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
- St. Claire Medical Center IncMorehead, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew John Pierzala among 1,526 internal medicine physician records in Kentucky
Matthew John Pierzala, D.O. is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2003 · median 2006 among the 1,025 with a school on file
- Record last updated2025 · 56% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Kentucky
There are 1,526 internal medicine physician records in Kentucky.
All 1,526 in Kentucky → Every provider in Louisa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brandon Webb, D.O.Louisa, KY 412301285859645
- Mark Caruso, MDPaintsville, KY 412401134298896
- Kitta Kousa, M.D.Paintsville, KY 412401558304915
- Loey Kousa, MDPaintsville, KY 412401427159318
- Amanda Applegate, MDVanceburg, KY 411791831180967
- Peter Egan, M.D.Vanceburg, KY 411791497856355
- Edwin Santos, M.D.Campton, KY 413011689652281
- Nadeem Shaikh, M.D.Campton, KY 413011447221957
Common questions
What is Matthew John Pierzala, D.O.'s NPI number?
Matthew John Pierzala, D.O.'s National Provider Identifier (NPI) is 1811931389, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthew John Pierzala, D.O. located?
The NPPES record lists a practice address at 203 S Water St, Louisa, KY, 41230. Phone: (606) 649-2211. Providers update this record themselves, so call before visiting.
How can I verify Matthew John Pierzala, D.O.'s license?
NPPES lists Kentucky license number KY02941, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew John Pierzala, D.O. prescribe under Medicare Part D?
In 2024, Matthew John Pierzala, D.O. had 1,335 Medicare Part D claims for 362 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.