Doctor profile · Federal record

Dr. Tracey Marshall-Underwood, O.D.

Optometrist (CMS: Optometry) · Dover, DE

  • NPI 1154353944
  • Accepts Medicare
  • MIPS 90.7 / 100 · 2023
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
103 Wolf Creek Blvd, Suite 2
Dover, DE 199014915
(302) 678-3932
Mailing address
5 Yarmouth Way
Dover, DE 199045392

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
December 26, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Delaware #I3-0001312

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154353944. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
632
Distinct HCPCS
4
Medicare allowed
$56,575
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 557 411 $90
99203 New patient office or other outpatient visit, 30-44 minutes 44 44 $112
92083 Exam of visual field with extended testing 19 19 $63
92134 Imaging of retina 12 12 $40

In context: peer comparison

Among 13 peers in this city , average services per provider: 183. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$85
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Oyster Point Pharma, Inc. 2 $31.89
Amgen Inc. 2 $31.53
Tarsus Pharmaceuticals, Inc. 1 $22.05

By nature of payment

Food and Beverage
$85

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
210
Patients
65
Total drug cost
$17,229
Drug Type Claims Patients Total cost
Latanoprost Generic 66 23 $1,308
Prednisolone Acetate Generic 33 24 $1,329
Lumigan (Bimatoprost) Brand 27 0 $9,661
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 20 18 $1,674
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 18 0 $217
Dorzolamide Hcl Generic 17 0 $748
Acetazolamide Generic 16 0 $381
Brimonidine Tartrate Generic 13 0 $1,911

Frequently asked questions

Auto-generated from federal data
What is Dr. Tracey Marshall-Underwood's medical specialty?
Dr. Tracey Marshall-Underwood practices Optometrist in Dover, DE.
Where does Dr. Tracey Marshall-Underwood practice?
Dr. Tracey Marshall-Underwood practices at 103 Wolf Creek Blvd, Dover, DE 199014915. Office phone: 3026783932.
What is Dr. Tracey Marshall-Underwood's NPI?
Dr. Tracey Marshall-Underwood's National Provider Identifier (NPI) is 1154353944, issued by NPPES.
Does Dr. Tracey Marshall-Underwood accept Medicare assignment?
Yes. Dr. Tracey Marshall-Underwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tracey Marshall-Underwood 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); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.