NPPES file of Aug 9, 2026

Seth Crossan, CRNP

Nurse Practitioner · Newark, DE

Seth Crossan, CRNP is a nurse practitioner with a practice address in Newark, Delaware, and NPI 1336539881, issued on Feb 4, 2015. Check the license (Delaware LG-0001274, 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, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1336539881
Name
Seth Crossan
Credential
CRNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
LG-0001274 DE
AN0013774 DE
12297 CT
SP014758 PA
Self-reported in NPPES; status is on the state search
Practice location
910 S Chapel St Ste 102, Newark, DE 19713
Phone
(302) 224-1400
Enumerated
Feb 4, 2015
Record last updated
Nov 20, 2023
Fax
(302) 525-6706
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.
Download card Updates feed

Also registered at 910 S Chapel St Ste 102

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

  1. Tamika Cobb, LMSWSocial Worker1093465288
  2. Michael Considine, LPC, LPCMHProfessional Counselor1700981669
  3. Juliet Daniels, LCSWClinical Social Worker1447991070
  4. Lawrence Davis, MSWClinical Social Worker1972840213
  5. Jacklin Dibiaso, LPCMH, NCCProfessional Counselor1851971113
  6. Caitlin FitzpatrickClinical Social Worker1003472523

Verify Seth Crossan 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 LG-0001274
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

43% fewer Medicare Part D claims than the average nurse practitioner in 2024

627 Medicare Part D claims for 81 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Seth Crossan627
  2. Specialty average1,109

Most prescribed

  1. Buprenorphine-Naloxone119 claims
  2. Bupropion Xl52 claims
  3. Trazodone Hcl39 claims
  4. Hydroxyzine Hcl34 claims
  5. Fluoxetine Hcl30 claims
  6. Quetiapine Fumarate24 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 33.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score8.5
  2. Costout of 100 · 30%60.7
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities20 of 40 points · 15%50.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $43.06

2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Seth Crossan$43.06
  2. Specialty average$791.64

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

Seth Crossan among 545 nurse practitioner records in Delaware

Seth Crossan, CRNP is one of 545 nurse practitioner records with a practice address in Delaware. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 50% of them.

  • NPI issued2015 · 50% of these records are older, 44% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2023 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

113 nurse practitioner records list a practice address in Newark

They are 113 of the 4,662 NPPES records with a practice address in Newark, and 545 nurse practitioner records in Delaware.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Marilynn Bartley, NPNewark, DE 197131538147673
  2. Barbara Estep, N.P.Newark, DE 197131982786125
  3. Susan Fullerton, MSNNewark, DE 197131295722155
  4. Stacey Graves, MSN, CRNPNewark, DE 197131649279399
  5. Carol Gray, CFNPNewark, DE 197131629007570
  6. Diane Hochstuhl, APNNewark, DE 197131043302912
  7. Cynthia Jones, NPNewark, DE 197131215908900
  8. Mark Mendell, NPNewark, DE 197131710994827

Common questions

What is Seth Crossan, CRNP's NPI number?

Seth Crossan, CRNP's National Provider Identifier (NPI) is 1336539881, issued on Feb 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Seth Crossan, CRNP located?

The NPPES record lists a practice address at 910 S Chapel St Ste 102, Newark, DE, 19713. Phone: (302) 224-1400. Providers update this record themselves, so call before visiting.

How can I verify Seth Crossan, CRNP's license?

NPPES lists Delaware license number LG-0001274, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Seth Crossan, CRNP prescribe under Medicare Part D?

In 2024, Seth Crossan, CRNP had 627 Medicare Part D claims for 81 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Seth Crossan, CRNP's MIPS final score?

The 2023 MIPS final score is 33.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.