Doctor profile · Federal record
Dr. Marsha Nau, FNP-C
Nurse Practitioner · Family Nurse Practitioner · Smyrna, DE
- NPI 1790227676
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
401 N Carter RD Ste 201
Smyrna, DE 199771213
(302) 514-3371
fax (302) 653-3876 - Mailing address
-
640 S. State Street, Pob Bldg 3Rd Floor
Dover, DE 199013530
Credentials & registration
- NPI registered
- November 2016 — 10 yrs on file
- Profile last updated
- January 30, 2018
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Delaware #LG-0000973
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790227676. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
555
Distinct HCPCS
9
Medicare allowed
$38,970
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 228 | 213 | $78 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 101 | 101 | $97 | |
81003 |
Automated urinalysis test | 51 | 45 | $2 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 51 | 50 | $111 | |
71046 |
X-ray of chest, 2 views | 32 | 17 | $18 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 31 | 31 | $16 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $144 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 24 | 24 | $16 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 12 | 12 | $49 |
In context: peer comparison
Among 2 peers in Smyrna Nurse Practitioner, average services per provider: 56. This provider delivers 9.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
148
Patients
142
Total drug cost
$1,403
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 50 | 44 | $208 |
| Prednisone | Generic | 44 | 44 | $119 |
| Doxycycline Hyclate | Generic | 25 | 25 | $362 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 15 | 15 | $152 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 14 | 14 | $562 |
Frequently asked questions
What is Dr. Marsha Nau's medical specialty?
Dr. Marsha Nau practices Nurse Practitioner in Smyrna, DE.
Where does Dr. Marsha Nau practice?
Dr. Marsha Nau practices at 401 N Carter RD Ste 201, Smyrna, DE 199771213. Office phone: 3025143371.
What is Dr. Marsha Nau's NPI?
Dr. Marsha Nau's National Provider Identifier (NPI) is 1790227676, issued by NPPES.
Does Dr. Marsha Nau accept Medicare assignment?
Yes. Dr. Marsha Nau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marsha Nau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.