Doctor profile · Federal record

Dr. Diemngoc Dang, MD

Ophthalmology Physician · Fredericksburg, VA

  • NPI 1215927629
  • 21 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4710 Spotsylvania Pkwy, Suite 104
Fredericksburg, VA 224079433
(540) 741-2733
Mailing address
15500 Chicacoan Dr
Woodbridge, VA 221916109

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
March 24, 2010
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Virginia #0101232891
Medicaid
VA #010162645

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215927629. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,093
Distinct HCPCS
10
Medicare allowed
$119,924
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 253 141 $88
92014 Established patient complete exam of visual system 225 224 $124
99214 Established patient office or other outpatient visit, 30-39 minutes 167 146 $124
92133 Imaging of optic nerve 134 128 $34
92083 Exam of visual field with extended testing 121 105 $61
92134 Imaging of retina 63 61 $38
66984 Removal of cataract with insertion of prosthetic lens 41 28 $516
76519 Ultrasound scan to determine eye length and lens power 36 24 $63
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $163
66821 Removal of recurring cataract in lens capsule using a laser 18 17 $326

In context: peer comparison

Among 8 peers in Fredericksburg Ophthalmology Physician, average services per provider: 311. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$202
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 1 $118.43
Abbvie INC. 1 $33.94
Alcon Vision LLC 1 $32.85
AstraZeneca Pharmaceuticals Lp 1 $16.28

By nature of payment

Food and Beverage
$202

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
658
Patients
251
Total drug cost
$96,274
Drug Type Claims Patients Total cost
Latanoprost Generic 127 40 $2,955
Prednisolone Acetate Generic 101 57 $4,005
Ketorolac Tromethamine Generic 71 43 $1,660
Ofloxacin Generic 65 42 $849
Timolol Maleate Generic 49 12 $2,127
Lumigan (Bimatoprost) Brand 48 18 $28,965
Brimonidine Tartrate Generic 41 16 $1,069
Dorzolamide Hcl Generic 28 0 $930
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 28 23 $351
Restasis (Cyclosporine) Brand 25 0 $30,444

Frequently asked questions

Auto-generated from federal data
What is Dr. Diemngoc Dang's medical specialty?
Dr. Diemngoc Dang practices Ophthalmology Physician in Fredericksburg, VA.
Where does Dr. Diemngoc Dang practice?
Dr. Diemngoc Dang practices at 4710 Spotsylvania Pkwy, Fredericksburg, VA 224079433. Office phone: 5407412733.
What is Dr. Diemngoc Dang's NPI?
Dr. Diemngoc Dang's National Provider Identifier (NPI) is 1215927629, issued by NPPES.
What procedures does Dr. Diemngoc Dang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.