Jennifer Renee Callahan, FNP-C
Family Nurse Practitioner · Fredericksburg, TX
Jennifer Renee Callahan, FNP-C is a family nurse practitioner with a practice address in Fredericksburg, Texas, and NPI 1417338856, issued on Jun 11, 2015. Check the license (Texas AP128312, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer Renee Callahan
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP128312 TX
Self-reported in NPPES; status is on the state search - Practice location
- 205 W Windcrest St Ste 230, Fredericksburg, TX 78624
- Phone
- (830) 990-9994
- Enumerated
- Jun 11, 2015
- Record last updated
- Feb 15, 2023
- Medicare enrollment
- Enrolled (PECOS I20160111002181); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 205 W Windcrest St Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meredith Itz, ACNS-BCAdult Health Clinical Nurse Specialist1265735567
- Magdalena Klein, PAMedical Physician Assistant1558669234
Verify Jennifer Renee Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP128312Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average family nurse practitioner in 2024
226 Medicare Part D claims for 65 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Carvedilol23 claims
- Metoprolol Succinate22 claims
- Amlodipine Besylate16 claims
- Furosemide15 claims
- Valsartan14 claims
- Potassium Chloride13 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: $220.73
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- St Davids Heart And Vascular PLLCFredericksburg, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 family nurse practitioner records list a practice address in Fredericksburg
They are 10 of the 331 NPPES records with a practice address in Fredericksburg, and 21,242 family nurse practitioner records in Texas.
All 10 in Fredericksburg → All 21,242 in Texas → Every provider in Fredericksburg →
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 Jennifer Renee Callahan, FNP-C's NPI number?
Jennifer Renee Callahan, FNP-C's National Provider Identifier (NPI) is 1417338856, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Renee Callahan, FNP-C located?
The NPPES record lists a practice address at 205 W Windcrest St Ste 230, Fredericksburg, TX, 78624. Phone: (830) 990-9994. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Renee Callahan, FNP-C's license?
NPPES lists Texas license number AP128312, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer Renee Callahan, FNP-C prescribe under Medicare Part D?
In 2024, Jennifer Renee Callahan, FNP-C had 226 Medicare Part D claims for 65 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.