NPPES file of Aug 9, 2026

Marsha Ann Nau, FNP-C

Nurse Practitioner · Smyrna, DE

Marsha Ann Nau, FNP-C is a nurse practitioner with a practice address in Smyrna, Delaware, and NPI 1790227676, issued on Nov 9, 2016. Check the license (Delaware LG-0000973, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790227676
Name
Marsha Ann Nau
Credential
FNP-C
Primary taxonomy
Nurse Practitioner 363L00000X
License number
LG-0000973 DE
Self-reported in NPPES; status is on the state search
Practice location
401 N Carter RD Ste 201, Smyrna, DE 19977
Phone
(302) 514-3371
Enumerated
Nov 9, 2016
Record last updated
Jan 30, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(302) 653-3876
Medicare enrollment
Enrolled (PECOS I20171219002266); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 401 N Carter RD Ste 201

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

  1. Markia Carolina, APRNNurse Practitioner1801228374
  2. Alexys Daut, M.D.Family Medicine Physician1982994216
  3. Bo Fu, DOInternal Medicine Physician1871172296
  4. Laurianne Haynes, MDFamily Medicine Physician1184101115
  5. Fiza Khan, MDPsychiatry Physician1346674801
  6. Jazab Sheikh, M.D.Family Medicine Physician1043655186

Verify Marsha Ann Nau 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-0000973
    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.

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80% fewer Medicare Part D claims than the average nurse practitioner in 2024

227 Medicare Part D claims for 168 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Marsha Nau227
  2. Specialty average1,109

Most prescribed

  1. Cephalexin32 claims
  2. Prednisone29 claims
  3. Doxycycline Hyclate28 claims
  4. Amoxicillin-Clavulanate Potass18 claims
  5. Albuterol Sulfate Hfa12 claims
  6. Sulfamethoxazole-Trimethoprim11 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.

Bills Medicare through one group practice

  1. Christiana Care Quality PartnersNewark, DE

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marsha Ann Nau among 545 nurse practitioner records in Delaware

Marsha Ann Nau, FNP-C 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 2016, is newer than 56% of them.

  • NPI issued2016 · 56% of these records are older, 39% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2016 · median 2017 among the 291 with a school on file
  • Record last updated2018 · 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).

8 nurse practitioner records list a practice address in Smyrna

They are 8 of the 349 NPPES records with a practice address in Smyrna, and 545 nurse practitioner records in Delaware.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Angela Barone, DNPSmyrna, DE 199771205087566
  2. Vedette BondSmyrna, DE 199771326635194
  3. Markia Carolina, APRNSmyrna, DE 199771801228374
  4. Cynthia Devine, APRNSmyrna, DE 199771639577661
  5. Janice KpakaSmyrna, DE 199771033516455
  6. Maria Talana-IndoratoSmyrna, DE 199771275403677
  7. Aloys Tenkiang, NPSmyrna, DE 199771689384406
  8. Sarah DibuoSelbyville, DE 199751679228472

Common questions

What is Marsha Ann Nau, FNP-C's NPI number?

Marsha Ann Nau, FNP-C's National Provider Identifier (NPI) is 1790227676, issued on Nov 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Marsha Ann Nau, FNP-C located?

The NPPES record lists a practice address at 401 N Carter RD Ste 201, Smyrna, DE, 19977. Phone: (302) 514-3371. Providers update this record themselves, so call before visiting.

How can I verify Marsha Ann Nau, FNP-C's license?

NPPES lists Delaware license number LG-0000973, as entered by the provider. Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Marsha Ann Nau, FNP-C prescribe under Medicare Part D?

In 2024, Marsha Ann Nau, FNP-C had 227 Medicare Part D claims for 168 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.