Doctor profile · Federal record

Dr. Michael Oats, MD

Ophthalmology Physician (CMS: Ophthalmology) · Sandwich, MA

  • NPI 1669450607
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
282 Route 130 & Cotuit RD
Sandwich, MA 02563
(508) 833-8222
fax (508) 833-9924
Mailing address
50 Staniford St, Suite 600
Boston, MA 021142517

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
December 20, 2021
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Massachusetts #52223
Medicaid (2)
MA #6184308 · MA #110065079A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669450607. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,171
Distinct HCPCS
10
Medicare allowed
$1,283,701
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 2,871 2,622 $131
92083 Exam of visual field with extended testing 1,262 1,202 $65
99213 Established patient office or other outpatient visit, 20-29 minutes 1,217 859 $92
92133 Imaging of optic nerve 1,187 1,182 $35
92012 Established patient problem focused exam of visual system 1,095 861 $93
66984 Removal of cataract with insertion of prosthetic lens 777 438 $399
92136 Measurement of corneal curvature and depth of eye 716 595 $42
92134 Imaging of retina 651 585 $40
92004 New patient complete exam of visual system 272 272 $154
66821 Removal of recurring cataract in lens capsule using a laser 260 178 $244

In context: peer comparison

Among 1 peers in this city , average services per provider: 429. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$257
Transactions
13
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 12 $152.93
RxSight Inc 1 $104.11

By nature of payment

Food and Beverage
$257

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,639
Patients
2,279
Total drug cost
$838,280
Drug Type Claims Patients Total cost
Latanoprost Generic 1,274 344 $23,416
Prednisolone Acetate Generic 850 546 $25,068
Lumigan (Bimatoprost) Brand 720 202 $407,381
Timolol Maleate Generic 461 143 $20,784
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 440 119 $11,866
Ciprofloxacin Hcl Generic 306 196 $3,176
Ketorolac Tromethamine Generic 289 210 $4,771
Dorzolamide Hcl Generic 268 78 $6,018
Prolensa (Bromfenac Sodium) Brand 215 144 $77,850
Vyzulta (Latanoprostene Bunod) Brand 204 78 $106,985

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Oats's medical specialty?
Dr. Michael Oats practices Ophthalmology Physician in Sandwich, MA.
Where does Dr. Michael Oats practice?
Dr. Michael Oats practices at 282 Route 130 & Cotuit RD, Sandwich, MA 02563. Office phone: 5088338222.
What is Dr. Michael Oats's NPI?
Dr. Michael Oats's National Provider Identifier (NPI) is 1669450607, issued by NPPES.
Does Dr. Michael Oats accept Medicare assignment?
Yes. Dr. Michael Oats accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Oats commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Exam of visual field with extended testing (HCPCS 92083); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.