Registry data as of Aug 27, 2026

Grace Wiatrowski, FNP

Family Nurse Practitioner · Newark, DE

Grace Wiatrowski, FNP is a family nurse practitioner with a practice address in Newark, Delaware, and NPI 1518424100, issued on Mar 1, 2019. Check the license (Delaware L1-0068173, as entered in NPPES) with the Delaware board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1518424100
Name
Grace Wiatrowski
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
L1-0068173 DE
Self-reported in NPPES; status is on the state search
Practice location
620 Stanton Christiana RD Ste 304, Newark, DE 19713
Phone
(302) 691-3800
Enumerated
Mar 1, 2019
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 620 Stanton Christiana RD Ste 304

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

  1. Uma Chatterjee, MDObstetrics & Gynecology Physician1689760290
  2. Lashauna McIntosh, MDObstetrics & Gynecology Physician1457350654
  3. Olubusola Ogunlade, M.D.Obstetrics & Gynecology Physician1194046375

Verify Grace Wiatrowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this profession
    Search for license L1-0068173
    Check 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 Delaware license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

92% fewer Medicare Part D claims than the average family nurse practitioner in 2024

99 Medicare Part D claims for 46 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Grace Wiatrowski99
  2. Specialty average1,302

Most prescribed

  1. Estradiol11 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: $43.91

2 payments, mostly food and beverage; the largest payer was Sumitomo Pharma America, Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Grace Wiatrowski$43.91
  2. Specialty average$675.31

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

One hospital or facility affiliation

  1. St Francis Hospital IncWilmington, DE

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

153 family nurse practitioner records list a Newark practice address

They are 153 of the 4,662 NPPES records with a Newark practice address, and 607 family nurse practitioner records in Delaware.

Other family nurse practitioner records in Delaware

  1. Sara Abbo, CRNPNewark, DE1104223007
  2. Jessica Abbott, MSN FNP-BC, NP-CMilford, DE1467229542
  3. Jillian Abbott, FNP-CSelbyville, DE1114654472
  4. Jessica Abernathy-Lenowitz, NPSelbyville, DE1578526547
  5. Katherine Abernethy, NP-CNew Castle, DE1629477153
  6. Cecilia Aboagye, FNPHistoric New Castle, DE1023584430
  7. Cynthia Abrefa-KodomGeorgetown, DE1649975624
  8. Bogonko AchenchiDover, DE1437817624
  9. Pamela Achenchi, NPMiddletown, DE1144661596
  10. Nanaawawu Adeoye, NPDover, DE1750804118

Common questions

What is Grace Wiatrowski, FNP's NPI number?

Grace Wiatrowski, FNP's National Provider Identifier (NPI) is 1518424100, issued on Mar 1, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Grace Wiatrowski, FNP located?

The NPPES record lists a practice address at 620 Stanton Christiana RD Ste 304, Newark, DE, 19713. Phone: (302) 691-3800. Providers update this record themselves, so call before visiting.

How can I verify Grace Wiatrowski, FNP's license?

NPPES lists Delaware license number L1-0068173, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Grace Wiatrowski, FNP prescribe under Medicare Part D?

In 2024, Grace Wiatrowski, FNP had 99 Medicare Part D claims for 46 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.