Doctor profile · Federal record

Dr. Xiao-Ou Ren, O. D.

Optometrist (CMS: Optometry) · Optometrist · Watchung, NJ

  • NPI 1679658009
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 US Highway 22
Watchung, NJ 070696509
(908) 769-6421
fax (908) 769-7931
Mailing address
115 Gales Dr # B
New Providence, NJ 079742924

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
152W00000X — NUCC code
State licenses (2)
New Jersey #27TO 00139800 · New Jersey #OA 00601200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679658009. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
3
Medicare allowed
$11,628
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 60 54 $42
92014 Established patient complete exam of visual system 37 29 $142
92004 New patient complete exam of visual system 23 23 $168

In context: peer comparison

Among 4 peers in Watchung Optometrist, average services per provider: 56. This provider delivers 2.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$98
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bausch & Lomb Americas INC. 1 $97.93

By nature of payment

Food and Beverage
$98

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
0
Total drug cost
$201
Drug Type Claims Patients Total cost
Latanoprost Generic 20 0 $201

Frequently asked questions

Auto-generated from federal data
What is Dr. Xiao-Ou Ren's medical specialty?
Dr. Xiao-Ou Ren practices Optometrist in Watchung, NJ.
Where does Dr. Xiao-Ou Ren practice?
Dr. Xiao-Ou Ren practices at 1515 US Highway 22, Watchung, NJ 070696509. Office phone: 9087696421.
What is Dr. Xiao-Ou Ren's NPI?
Dr. Xiao-Ou Ren's National Provider Identifier (NPI) is 1679658009, issued by NPPES.
Does Dr. Xiao-Ou Ren accept Medicare assignment?
Yes. Dr. Xiao-Ou Ren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Xiao-Ou Ren commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014); New patient complete exam of visual system (HCPCS 92004). Source: CMS Medicare Physician & Other Practitioners file.