Michael Oats, MD
NPI 1669450607 · Ophthalmology Physician · Sandwich, MA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Oats, MD is a Ophthalmology Physician provider in Sandwich, MA (NPI 1669450607).
Provider details
- NPI number
- 1669450607
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 52223 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,022 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 2,725 | $129 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,404 | $92 |
| Exam of Visual Field With Extended Testing92083 | 1,294 | $65 |
| Imaging of Optic Nerve92133 | 1,223 | $35 |
| Established Patient Problem Focused Exam of Visual System92012 | 947 | $91 |
| Imaging of Retina92134 | 599 | $40 |
| Removal of Cataract With Insertion of Prosthetic Lens |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 1,392 | 378 |
| Prednisolone Acetate | 780 | 531 |
| Bimatoprostbrand: Lumigan | 662 | 184 |
| Timolol Maleate | 568 | 168 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 385 | 123 |
| Dorzolamide Hcl | 372 | 108 |
| Brimonidine Tartrate | 273 | 74 |
| Ciprofloxacin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$257 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-09
- Last updated
- 2021-12-20
- Certified
- 2021-12-20
Frequently asked questions
- What is Michael Oats's NPI number?
- Michael Oats's National Provider Identifier (NPI) is 1669450607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Oats's specialty?
- Michael Oats is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Oats located?
- Michael Oats's practice location on file with NPPES is 282 Route 130 & Cotuit Rd, Sandwich, MA 02563.
- What is Michael Oats's phone number?
- The practice phone number listed in the NPPES registry for Michael Oats is (508) 833-8222.
- Does Michael Oats accept Medicare?
- Michael Oats is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Oats's NPI active?
- Yes — Michael Oats's NPI (1669450607) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.