Diane Trkulja-Castro, NURSE PRACTITIONER
Primary Care Nurse Practitioner · Chesterton, IN
Diane Trkulja-Castro, NURSE PRACTITIONER is a primary care nurse practitioner with a practice address in Chesterton, Indiana, and NPI 1689109084, issued on Apr 24, 2017. Check the license (Indiana 71007089A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diane Trkulja-Castro
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License numbers
- 71007089A IN
28187141A IN
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Village PT Ste 250, Chesterton, IN 46304
- Phone
- (219) 440-4835
- Enumerated
- Apr 24, 2017
- Record last updated
- Jan 7, 2025
- Fax
- (855) 238-6150
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 168 in Indiana → Look up another NPI →
Verify Diane Trkulja-Castro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71007089ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
180 Medicare Part D claims for 28 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate13 claims
- Levothyroxine Sodium12 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.
Diane Trkulja-Castro among 168 primary care nurse practitioner records in Indiana
Diane Trkulja-Castro, NURSE PRACTITIONER is one of 168 primary care nurse practitioner records with a practice address in Indiana. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 30% of them.
- NPI issued2017 · 30% of these records are older, 61% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- Record last updated2025 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Indiana
There are 168 primary care nurse practitioner records in Indiana.
All 168 in Indiana → Every provider in Chesterton → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Brittany Medley, NPCrown Point, IN 463071619744133
- Lashawnda High, FNPEast Chicago, IN 463121649074469
- Toya Woods, NURSE PRACTITIONERHammond, IN 463201497382030
- Sophia Roland DioruMunster, IN 463211730067646
- Mary Sajn, AGACNP-BCMunster, IN 463211477141729
- Esinath Kwenda, FNPIndianapolis, IN 462781427348309
- Karen Wasnalas, FNPHebron, IN 463411972548972
- Kathy Lynch, NPKouts, IN 463471497972772
Common questions
What is Diane Trkulja-Castro, NURSE PRACTITIONER's NPI number?
Diane Trkulja-Castro, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1689109084, issued on Apr 24, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Diane Trkulja-Castro, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 3100 Village PT Ste 250, Chesterton, IN, 46304. Phone: (219) 440-4835. Providers update this record themselves, so call before visiting.
How can I verify Diane Trkulja-Castro, NURSE PRACTITIONER's license?
NPPES lists Indiana license number 71007089A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Diane Trkulja-Castro, NURSE PRACTITIONER prescribe under Medicare Part D?
In 2024, Diane Trkulja-Castro, NURSE PRACTITIONER had 180 Medicare Part D claims for 28 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.