SYDNEY NICOLE DUNN-VALADEZ
NPI 1942760863
Internal Medicine - Hematology & Oncology in Bastrop, TX

Q: What is Sydney Dunn-valadez's NPI number?

The NPI number for Sydney Dunn-valadez is 1942760863. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Q: What is Sydney Dunn-valadez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since March 25, 2019PECOS EnrolledAccepts Medicare Assignment

3107 HIGHWAY 71 E, BASTROP, TX 78602(512) 308-9024(512) 308-9074 Get Directions Write a Review

NPPES record last updated: October 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Sydney Nicole Dunn-valadez NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SYDNEY NICOLE DUNN-VALADEZ (NPI 1942760863) is an individual hematology & oncology provider in Bastrop, Texas, licensed in Texas (V7503) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Columbus Community Hospital, and is a graduate of Baylor College Of Medicine (2019).

NPPES Registry Identity

NPI1942760863

Entity TypeIndividualFemale

Primary Taxonomy207RH0003X

Provider Legal NameSYDNEY NICOLE DUNN-VALADEZ

Location Address3107 HIGHWAY 71 EBastrop, TX 78602-5158

Mailing AddressPo Box 911230Dallas, TX 75391-1230 · (972) 997-8000 · Fax (972) 234-0813

Phone(512) 308-9024

Fax(512) 308-9074

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 2019

Enumeration DateMarch 25, 2019

Last NPPES UpdateOctober 1, 2025

NPPES CertifiedOctober 1, 2025

✔ NPI 1942760863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in TX · V7503

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3107 HIGHWAY 71 E, Bastrop, TX 78602

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sydney Nicole Dunn-valadez is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547502353

PECOS Enrollment IDI20250606002317

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Columbus Community Hospital

Acute Care Hospitals · Columbus, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number450370

Location110 Shult DrColumbus, TX 78934 · Colorado County

Emergency services Birthing friendly

St David's South Austin Medical Center

Acute Care Hospitals · Austin, TX

5/5 CMS rating

OwnershipProprietary

CMS Certification Number450713

Location901 West Ben White BlvdAustin, TX 78704 · Travis County

Emergency services Birthing friendly

Ascension Seton Hays

Acute Care Hospitals · Kyle, TX

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number670056

Location6001 Kyle PkwyKyle, TX 78640 · Hays County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SARAH CERVANTES RN, FNP-C

Nurse Practitioner (Family)

3107 HIGHWAY 71 E
BASTROP, TX 78602

Bastrop County (512) 308-9024

DR. MATHEW ROBERT MEENEGHAN M.D.

Internal Medicine (Hematology & Oncology)

3107 HIGHWAY 71 E
BASTROP, TX 78602

Bastrop County (512) 308-9024

PHOENIX ONCOLOGY LOST PINES PLLC

Radiology (Radiation Oncology)

3107 HIGHWAY 71 E
BASTROP, TX 78602

Bastrop County (512) 303-5100

BARTLOMIEJ POSNIK M.D.

Internal Medicine (Hematology & Oncology)

3107 HIGHWAY 71 E
BASTROP, TX 78602

Bastrop County (512) 308-9024

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sydney Dunn-valadez's NPI number?

The NPI number for Sydney Dunn-valadez is 1942760863. It was assigned to this individual provider in the NPPES registry on March 25, 2019.

Where is Sydney Dunn-valadez located?

Sydney Dunn-valadez practices at 3107 Highway 71 E, Bastrop, TX 78602. The listed phone number is (512) 308-9024.

What is Sydney Dunn-valadez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Sydney Dunn-valadez enrolled in Medicare?

Yes. Sydney Dunn-valadez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Sydney Dunn-valadez accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 7 other insurers list Sydney Dunn-valadez as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Sydney Dunn-valadez affiliated with any hospitals?

According to CMS data, Sydney Dunn-valadez is affiliated with Columbus Community Hospital, St David's South Austin Medical Center and Ascension Seton Hays.

When was this NPI record last updated?

The NPPES record for Sydney Dunn-valadez was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.