Karen Denise Zunker, APRN
Family Nurse Practitioner · San Marcos, TX
Karen Denise Zunker, APRN is a family nurse practitioner with a practice address in San Marcos, Texas, and NPI 1629578018, issued on Feb 13, 2018. Check the license (Texas AP141056, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Denise Zunker
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- AP141056 TX
127165 OK
Self-reported in NPPES; status is on the state search - Practice location
- 1308 Wonder World Dr, San Marcos, TX 78666
- Phone
- (512) 396-5199
- Enumerated
- Feb 13, 2018
- Record last updated
- Aug 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (512) 396-5206
- Medicare enrollment
- Enrolled (PECOS I20190625000223); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 1308 Wonder World Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kori Cooper, FNP-CFamily Nurse Practitioner1255080354
- Richard Lawson, MDRadiation Oncology Physician1659353902
- Eric Meyers, MDHematology & Oncology Physician1942730916
- Brittany Severson, MSN, APRN, FNP-CFamily Nurse Practitioner1366285066
- Jason Smith, MDHematology & Oncology Physician1114137064
Verify Karen Denise Zunker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP141056Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average family nurse practitioner in 2024
532 Medicare Part D claims for 167 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Prochlorperazine Maleate107 claims
- Ondansetron Odt105 claims
- Lidocaine-Prilocaine64 claims
- Prednisone26 claims
- Dexamethasone20 claims
- Pantoprazole Sodium18 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): 89.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Texas Oncology PASan Marcos, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Denise Zunker among 21,242 family nurse practitioner records in Texas
Karen Denise Zunker, APRN is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 42% of them.
- NPI issued2018 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2018 among the 11,286 with a school on file
- Record last updated2021 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 family nurse practitioner records list a practice address in San Marcos
They are 55 of the 1,003 NPPES records with a practice address in San Marcos, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in San Marcos → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mary Andres, FNPSan Marcos, TX 786661902106966
- Patricia Ballentine, R.N., MSN, FNP-CSan Marcos, TX 786661770688210
- Dana Bourke, NPSan Marcos, TX 786661356591432
- Ashley Ferguson, RN, FNP-CSan Marcos, TX 786661093045692
- Carol Garner, MSN,CS,FNPSan Marcos, TX 786661295734036
- Lydia Glisan, FNPSan Marcos, TX 786661750533543
- Laura Greek, FNPSan Marcos, TX 786661871754804
- Janan Hall, FNPSan Marcos, TX 786661992903777
Common questions
What is Karen Denise Zunker, APRN's NPI number?
Karen Denise Zunker, APRN's National Provider Identifier (NPI) is 1629578018, issued on Feb 13, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Karen Denise Zunker, APRN located?
The NPPES record lists a practice address at 1308 Wonder World Dr, San Marcos, TX, 78666. Phone: (512) 396-5199. Providers update this record themselves, so call before visiting.
How can I verify Karen Denise Zunker, APRN's license?
NPPES lists Texas license number AP141056, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Denise Zunker, APRN prescribe under Medicare Part D?
In 2024, Karen Denise Zunker, APRN had 532 Medicare Part D claims for 167 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Karen Denise Zunker, APRN's MIPS final score?
The 2023 MIPS final score is 89.4 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.