NPPES file of Aug 9, 2026

Elaine Diana Tsiakopoulos, APN

Family Nurse Practitioner · Crown Point, IN

Elaine Diana Tsiakopoulos, APN is a family nurse practitioner with a practice address in Crown Point, Indiana, and NPI 1255996336, issued on May 5, 2019. Check the license with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255996336
Name
Elaine Diana Tsiakopoulos
Credential
APN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
209019372 IL
Self-reported in NPPES; status is on the state search
Practice location
2293 N Main St, Crown Point, IN 46307
Phone
(219) 755-3385
Enumerated
May 5, 2019
Record last updated
Nov 14, 2022
Medicaid ID
$$$$$$$$$ IN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2293 N Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Susan Campos, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881495182
  2. Lydia Marquez, PA-CPhysician Assistant1275654071
  3. Lynda Nathan, FNP-BCFamily Nurse Practitioner1558795732
  4. Ricardo SantiagoFamily Nurse Practitioner1356080386

Verify Elaine Diana Tsiakopoulos in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Indiana license search

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95% fewer Medicare Part D claims than the average family nurse practitioner in 2024

60 Medicare Part D claims for 33 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 12 claims were for opioids.

  1. Elaine Tsiakopoulos60
  2. Specialty average1,305

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: $109.69

1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elaine Tsiakopoulos$109.69
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Elaine Diana Tsiakopoulos among 5,867 family nurse practitioner records in Indiana

Elaine Diana Tsiakopoulos, APN is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 52% of them.

  • NPI issued2019 · 52% of these records are older, 41% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 67% of these records are
  • Record last updated2022 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

124 family nurse practitioner records list a practice address in Crown Point

They are 124 of the 1,396 NPPES records with a practice address in Crown Point, and 5,867 family nurse practitioner records in Indiana.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Jill Carley, RN MSN NPCrown Point, IN 463071265400626
  2. Georgene Darnell, NPCrown Point, IN 463071346351947
  3. Kyle Demyer, NURSE PRACTITIONERCrown Point, IN 463071316916976
  4. Alice Hunter, ARNPCrown Point, IN 463071528058609
  5. Jerri Jakich-Ortiz, MSCrown Point, IN 463071891028833
  6. Sarah Kats, NURSE PRACTITIONERCrown Point, IN 463071720308992
  7. Sandra Kurpela, MS, RNC, FNP, CNSCrown Point, IN 463071215198569
  8. Leslie Lembke, NPCrown Point, IN 463071235107921

Common questions

What is Elaine Diana Tsiakopoulos, APN's NPI number?

Elaine Diana Tsiakopoulos, APN's National Provider Identifier (NPI) is 1255996336, issued on May 5, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Elaine Diana Tsiakopoulos, APN located?

The NPPES record lists a practice address at 2293 N Main St, Crown Point, IN, 46307. Phone: (219) 755-3385. Providers update this record themselves, so call before visiting.

How can I verify Elaine Diana Tsiakopoulos, APN's license?

Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Elaine Diana Tsiakopoulos, APN prescribe under Medicare Part D?

In 2024, Elaine Diana Tsiakopoulos, APN had 60 Medicare Part D claims for 33 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.