Samantha Dayawansa, MD
Neurological Surgery Physician · Nacogdoches, TX
Samantha Dayawansa, MD is a neurological surgery physician with a practice address in Nacogdoches, Texas, and NPI 1376980649, issued on May 28, 2013. Check the license (Texas V8608, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Samantha Dayawansa
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- V8608 TX
95099 GA
01096248A IN
Self-reported in NPPES; status is on the state search - Practice location
- 5500 North St, Nacogdoches, TX 75965
- Phone
- (936) 560-6999
- Enumerated
- May 28, 2013
- Record last updated
- Jul 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20250503000136); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 669 in Texas → Look up another NPI →
Also registered at 5500 North St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Randle, M.D.Neurological Surgery Physician1457460370
Verify Samantha Dayawansa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license V8608Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average neurological surgery physician in 2024
352 Medicare Part D claims for 103 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 85 claims were for opioids.
Most prescribed
- Cyclobenzaprine Hcl58 claims
- Oxycodone-Acetaminophen50 claims
- Mupirocin38 claims
- Methylprednisolone37 claims
- Gabapentin23 claims
- Hydrocodone-Acetaminophen21 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: $416.43
8 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 5,377 providers of this specialty with any payment received $14,925.58 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 2 group practices
- Bhs Physicians Network, IncNacogdoches, TX
- Parkview Health System IncFort Wayne, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samantha Dayawansa among 669 neurological surgery physician records in Texas
Samantha Dayawansa, MD is one of 669 neurological surgery physician records with a practice address in Texas. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2000 · median 2004 among the 451 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Texas
There are 669 neurological surgery physician records in Texas.
All 669 in Texas → Every provider in Nacogdoches → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Neal Haynes, M.D.Nacogdoches, TX 759651245454651
- James Randle, M.D.Nacogdoches, TX 759651457460370
- Sabatino Bianco, M.D.Arlington, TX 760121518921139
- Clay Elswick, M.D.Arlington, TX 760141710205265
- Gaddum Reddy, M.D., PH.D.Arlington, TX 760141578894267
- Jacob Rosenstein, MDArlington, TX 760151376548396
- Frederick Todd II, M.D.Arlington, TX 760151588721211
- Jeffrey Heitkamp, M.D.Arlington, TX 760171821087636
Common questions
What is Samantha Dayawansa, MD's NPI number?
Samantha Dayawansa, MD's National Provider Identifier (NPI) is 1376980649, issued on May 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Samantha Dayawansa, MD located?
The NPPES record lists a practice address at 5500 North St, Nacogdoches, TX, 75965. Phone: (936) 560-6999. Providers update this record themselves, so call before visiting.
How can I verify Samantha Dayawansa, MD's license?
NPPES lists Texas license number V8608, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Samantha Dayawansa, MD prescribe under Medicare Part D?
In 2024, Samantha Dayawansa, MD had 352 Medicare Part D claims for 103 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.