Doctor profile · Federal record

Dr. Neill Cowles, O.D.

Optometrist (CMS: Optometry) · Chatham, MA

  • NPI 1033124607
  • Accepts Medicare
  • 59 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
259 Crowell RD
Chatham, MA 026331969
(508) 945-2552
fax (508) 945-0533

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 2, 2007
Year of graduation
1967 — 59 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Massachusetts #2185
Medicaid
MA #0303704

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033124607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,938
Distinct HCPCS
10
Medicare allowed
$75,921
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 3,181 29 $1
92014 Established patient complete exam of visual system 356 348 $131
92250 Photography of the retina 142 139 $39
92083 Exam of visual field with extended testing 52 50 $65
92134 Imaging of retina 51 51 $42
99212 Established patient office or other outpatient visit, 10-19 minutes 51 43 $58
92004 New patient complete exam of visual system 37 37 $155
99213 Established patient office or other outpatient visit, 20-29 minutes 24 24 $92
92012 Established patient problem focused exam of visual system 20 20 $93
99203 New patient office or other outpatient visit, 30-44 minutes 12 12 $114

In context: peer comparison

Among 1 peers in Chatham Optometrist, average services per provider: 358. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
66
Patients
46
Total drug cost
$19,019
Drug Type Claims Patients Total cost
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 37 33 $479
Cequa (Cyclosporine) Brand 15 0 $18,422
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 14 13 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Neill Cowles's medical specialty?
Dr. Neill Cowles practices Optometrist in Chatham, MA.
Where does Dr. Neill Cowles practice?
Dr. Neill Cowles practices at 259 Crowell RD, Chatham, MA 026331969. Office phone: 5089452552.
What is Dr. Neill Cowles's NPI?
Dr. Neill Cowles's National Provider Identifier (NPI) is 1033124607, issued by NPPES.
Does Dr. Neill Cowles accept Medicare assignment?
Yes. Dr. Neill Cowles accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neill Cowles commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.