Kevin O'Day, M.D.
NPI 1255793220 · Cardiovascular Disease Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kevin O'Day, M.D. is a Cardiovascular Disease Physician provider in Worcester, MA (NPI 1255793220).
Provider details
- NPI number
- 1255793220
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 277626 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
4,477 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 2,831 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 384 | $68 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 215 | $96 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 159 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 112 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 263 | 98 |
| Apixabanbrand: Eliquis | 210 | 64 |
| Atorvastatin Calcium | 183 | 70 |
| Rosuvastatin Calcium | 167 | 63 |
| Amlodipine Besylate | 117 | 41 |
| Losartan Potassium | 101 | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-28
- Last updated
- 2022-07-05
- Certified
- 2022-07-05
Frequently asked questions
- What is Kevin O'Day's NPI number?
- Kevin O'Day's National Provider Identifier (NPI) is 1255793220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kevin O'Day's specialty?
- Kevin O'Day is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Kevin O'Day located?
- Kevin O'Day's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Kevin O'Day's phone number?
- The practice phone number listed in the NPPES registry for Kevin O'Day is (508) 334-3452.
- Does Kevin O'Day accept Medicare?
- Kevin O'Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kevin O'Day's NPI active?
- Yes — Kevin O'Day's NPI (1255793220) is active in the NPPES registry as of the last update on 2022-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.