Doctor profile · Federal record

Dr. Diana Ries, O.D.

Optometrist (CMS: Optometry) · Exton, PA

  • NPI 1629333521
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
119 E Swedesford RD
Exton, PA 193412333
(610) 594-0800
fax (610) 594-0801
Mailing address
1950 Old Gallows RD Ste 520
Vienna, VA 221823970

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
March 8, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Pennsylvania #OEG002618

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629333521. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
84
Distinct HCPCS
3
Medicare allowed
$9,429
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 51 51 $132
92250 Photography of the retina 21 21 $39
92004 New patient complete exam of visual system 12 12 $156

In context: peer comparison

Among 4 peers in Exton Optometrist, average services per provider: 31. This provider delivers 2.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$317
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
CooperVision INC. 6 $207.99
Bausch & Lomb Americas INC. 3 $64.08
Alcon Vision LLC 2 $44.59

By nature of payment

Food and Beverage
$317

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Ries's medical specialty?
Dr. Diana Ries practices Optometrist in Exton, PA.
Where does Dr. Diana Ries practice?
Dr. Diana Ries practices at 119 E Swedesford RD, Exton, PA 193412333. Office phone: 6105940800.
What is Dr. Diana Ries's NPI?
Dr. Diana Ries's National Provider Identifier (NPI) is 1629333521, issued by NPPES.
Does Dr. Diana Ries accept Medicare assignment?
Yes. Dr. Diana Ries accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Ries commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.