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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SAMANTHA DAYAWANSA MD
NPI 1376980649
Neurological Surgery in Nacogdoches, TX

Active since May 28, 2013PECOS Enrolled
5500 NORTH ST, NACOGDOCHES, TX 75965(936) 560-6999 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 27, 2026, Jan 13, 2026, Aug 11, 2025 and 3 more (6 updates tracked since 2016).

About Dr. Samantha Dayawansa Md NPPES

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

DR. SAMANTHA DAYAWANSA MD (NPI 1376980649) is an individual neurological surgery provider in Nacogdoches, Texas, licensed in Texas (V8608) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Parkview Regional Medical Center, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1376980649
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. SAMANTHA DAYAWANSACredential: MD
Location Address5500 NORTH STNacogdoches, TX 75965-1372
Mailing Address5500 North StNacogdoches, TX 75965-1372 · (936) 560-6999
Phone(936) 560-6999
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateMay 28, 2013
Last NPPES UpdateJuly 27, 20266 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1376980649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Licenses✔ Licensed in TX · V8608✔ Licensed in GA · 95099✔ Licensed in IN · 01096248A
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
5500 NORTH ST, Nacogdoches, TX 75965
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness 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

Dr. Samantha Dayawansa Md 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 ID5890078950
PECOS Enrollment IDI20250503000136, I20250914000042
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.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
63 services43 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
41 services36 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
27 services11 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
23 services17 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
19 services19 patients

Hospital Affiliations CMS Care Compare 4

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

Parkview Regional Medical Center

Acute Care Hospitals · Fort Wayne, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150021
Location11109 Parkview Plaza DriveFort Wayne, IN 46845 · Allen County
Emergency services Birthing friendly

Parkview Whitley Hospital

Acute Care Hospitals · Columbia City, IN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150101
Location1260 E Sr 205Columbia City, IN 46725 · Whitley County
Emergency services Birthing friendly

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450033
Location2101 Pease StHarlingen, TX 78550 · Cameron County
Emergency services Birthing friendly

Nacogdoches Medical Center

Acute Care Hospitals · Nacogdoches, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450656
Location4920 NE Stallings DriveNacogdoches, TX 75965 · Nacogdoches County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75965 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
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 2

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

DR. JAMES MICHAEL RANDLE M.D.
Neurological Surgery
5500 NORTH ST
NACOGDOCHES, TX 75965
Nacogdoches County (936) 560-6999
NACOGDOCHES NEUROSURGERY, P.A.
Neurological Surgery
5500 NORTH ST
NACOGDOCHES, TX 75965
Nacogdoches County (936) 560-6999

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 Samantha Dayawansa's NPI number?

The NPI number for Samantha Dayawansa is 1376980649. It was assigned to this individual provider in the NPPES registry on May 28, 2013.

Where is Samantha Dayawansa located?

Samantha Dayawansa practices at 5500 North St, Nacogdoches, TX 75965. The listed phone number is (936) 560-6999.

What is Samantha Dayawansa's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Samantha Dayawansa enrolled in Medicare?

Yes. Samantha Dayawansa 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 Samantha Dayawansa accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness and Ambetter from Buckeye Health Plan and 11 other insurers list Samantha Dayawansa 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 Samantha Dayawansa affiliated with any hospitals?

According to CMS data, Samantha Dayawansa is affiliated with Parkview Regional Medical Center, Parkview Whitley Hospital, Vhs Harlingen Hospital Company LLC and Nacogdoches Medical Center.

When was this NPI record last updated?

The NPPES record for Samantha Dayawansa was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.