Karen Lynette Holzer, FNP-C
Family Nurse Practitioner · La Vernia, TX
Karen Lynette Holzer, FNP-C is a family nurse practitioner with a practice address in La Vernia, Texas, and NPI 1780394593, issued on Dec 2, 2022. Check the license (Texas 1099965, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Lynette Holzer
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 1099965 TX
Self-reported in NPPES; status is on the state search - Practice location
- 13857 US Highway 87 W, La Vernia, TX 78121
- Phone
- (303) 711-4008
- Enumerated
- Dec 2, 2022
- Record last updated
- Dec 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20230216000095); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 13857 US Highway 87 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Valerie Dryka-Garcia, FNP-CFamily Nurse Practitioner1982241691
- Brina Esser, APRNFamily Nurse Practitioner1346884509
- Meghan Wilson, FNPFamily Nurse Practitioner1609330893
Verify Karen Lynette Holzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 1099965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average family nurse practitioner in 2024
449 Medicare Part D claims for 282 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass56 claims
- Methylprednisolone49 claims
- Prednisone45 claims
- Nitrofurantoin Mono-Macro34 claims
- Azithromycin31 claims
- Sulfamethoxazole-Trimethoprim25 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: $54.70
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
Bills Medicare through one group practice
- Wilson County Memorial Hospital DistrictLa Vernia, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Lynette Holzer among 21,242 family nurse practitioner records in Texas
Karen Lynette Holzer, FNP-C 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 2022, is newer than 74% of them.
- NPI issued2022 · 74% of these records are older, 20% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2022 · median 2018 among the 11,286 with a school on file
- Record last updated2023 · 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).
11 family nurse practitioner records list a practice address in La Vernia
They are 11 of the 92 NPPES records with a practice address in La Vernia, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in La Vernia → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jessica Abney, FNP-CLa Vernia, TX 781211215796529
- Cara Carrillo, FNPLa Vernia, TX 781211417348665
- Valerie Dryka-Garcia, FNP-CLa Vernia, TX 781211982241691
- Devon Dylla, FNPLa Vernia, TX 781211770306698
- Brina Esser, APRNLa Vernia, TX 781211346884509
- Shanna GeigleLa Vernia, TX 781211679941736
- Heather Grohman, MSN, APRN, FNP-BCLa Vernia, TX 781211952803165
- Marlene Herrera, NP-CLa Vernia, TX 781211477195527
Common questions
What is Karen Lynette Holzer, FNP-C's NPI number?
Karen Lynette Holzer, FNP-C's National Provider Identifier (NPI) is 1780394593, issued on Dec 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Karen Lynette Holzer, FNP-C located?
The NPPES record lists a practice address at 13857 US Highway 87 W, La Vernia, TX, 78121. Phone: (303) 711-4008. Providers update this record themselves, so call before visiting.
How can I verify Karen Lynette Holzer, FNP-C's license?
NPPES lists Texas license number 1099965, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Lynette Holzer, FNP-C prescribe under Medicare Part D?
In 2024, Karen Lynette Holzer, FNP-C had 449 Medicare Part D claims for 282 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), 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.