Karolyn Mau, FNP-C
Family Nurse Practitioner · Columbus, TX
Karolyn Mau, FNP-C is a family nurse practitioner with a practice address in Columbus, Texas, and NPI 1851925440, issued on Feb 24, 2020. Check the license (Texas AP145254, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karolyn Mau
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP145254 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2545 Brunes Mill RD, Columbus, TX 78934
- Phone
- (979) 733-4022
- Enumerated
- Feb 24, 2020
- Entity
- Type 1 · individual
Verify Karolyn Mau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP145254Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
64% fewer Medicare Part D claims than the average family nurse practitioner in 2024
471 Medicare Part D claims for 202 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Ketoconazole242 claims
- Triamcinolone Acetonide48 claims
- Metronidazole46 claims
- Clobetasol Propionate29 claims
- Mupirocin16 claims
- Famciclovir15 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.
Industry payments in 2024: $179.58
7 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Charles Robert Gobert, MD, PLLCColumbus, TX
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
3 family nurse practitioner records list a Columbus practice address
They are 3 of the 83 NPPES records with a Columbus practice address, and 21,242 family nurse practitioner records in Texas.
All 3 in Columbus → All 21,242 in Texas → Every provider in Columbus →
Other family nurse practitioner records in Texas
- Ashley Aaron, FNPWaco, TX1053821504
- Christina Aaron, FNPTexarkana, TX1457787426
- Lori Aaron, FNP-CFrisco, TX1619387974
- Lauren Aase, FNPSheppard Afb, TX1578550299
- Olivia AbabioCypress, TX1588171995
- Lilian Abagwe, NPWylie, TX1396215620
- Vivian Abaidoo, NP-CHouston, TX1760071971
- Zuniley Aballe-Hernandez, FNP-CHouston, TX1952054066
- Jorge Abalo Redden, FNPKaty, TX1932991122
- Jennifer Abalos, FNPPlano, TX1841452984
Common questions
What is Karolyn Mau, FNP-C's NPI number?
Karolyn Mau, FNP-C's National Provider Identifier (NPI) is 1851925440, issued on Feb 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Karolyn Mau, FNP-C located?
The NPPES record lists a practice address at 2545 Brunes Mill RD, Columbus, TX, 78934. Phone: (979) 733-4022. Providers update this record themselves, so call before visiting.
How can I verify Karolyn Mau, FNP-C's license?
NPPES lists Texas license number AP145254, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Karolyn Mau, FNP-C prescribe under Medicare Part D?
In 2024, Karolyn Mau, FNP-C had 471 Medicare Part D claims for 202 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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) 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 27, 2026.