Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mrs. Lydia Estelle Osterman, AGACNP

Individual provider Nurse Practitioner · NPI 1710700034

Mrs. Lydia Estelle Osterman, AGACNP is a Nurse Practitioner in Denison, Texas. Graduated from Texas Tech University Health Science Center School of Medicine in 2021, 5 years ago. Practices with Texas Oncology PA, a 1,005-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
5
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
TX
In the registry since
2024
Specialties on file
2
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Practice location Address checks out

5125 Texoma Medical Center Dr Ste 100
Denison, TX 75020-0084
Phone: (903) 868-4700
Fax: (903) 892-4910
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 1170305 (TX)
Nurse Practitioner Taxonomy 363L00000X · Licence 1170305 (TX)

Record details

NPI number1710700034
Entity typeIndividual (Type 1)
GenderFemale
Credentials AGACNP
Sole proprietorNo
NPI enumeratedNovember 5, 2024
Last updated in NPPESNovember 13, 2024
Certification dateNovember 13, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $1,244 54 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Texoma Medical Center Hospital · Denison, TX

Colleagues at Texas Oncology PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1005 clinicians in the practice; 12 are shown here.

Other providers in Denison