Doctor profile · Federal record

Dr. Mark Ryan

Optometrist (CMS: Optometry) · New Haven, CT

  • NPI 1548211220
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1457 Whalley Ave
New Haven, CT 065151153
(203) 562-3937
fax (203) 389-3994
Mailing address
87 Grandview Ave
Waterbury, CT 067082514

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Connecticut #002155

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548211220. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$557
HCPCS Description Services Patients Avg allowed
92250 Photography of the retina 14 14 $40

In context: peer comparison

Among 6 peers in New Haven Optometrist, average services per provider: 28. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$104
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Glaukos Corporation 1 $85.71
Johnson & Johnson Vision Care, INC. 1 $18.71

By nature of payment

Food and Beverage
$104

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
20
Patients
0
Total drug cost
$325
Drug Type Claims Patients Total cost
Latanoprost Generic 20 0 $325

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Ryan's medical specialty?
Dr. Mark Ryan practices Optometrist in New Haven, CT.
Where does Dr. Mark Ryan practice?
Dr. Mark Ryan practices at 1457 Whalley Ave, New Haven, CT 065151153. Office phone: 2035623937.
What is Dr. Mark Ryan's NPI?
Dr. Mark Ryan's National Provider Identifier (NPI) is 1548211220, issued by NPPES.
Does Dr. Mark Ryan accept Medicare assignment?
Yes. Dr. Mark Ryan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Ryan commonly perform?
Top Medicare-reported procedures in 2023: Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.