Cynthia Ennis, D.O.
NPI 1881631489 · Clinical Cardiac Electrophysiology Physician · Southbridge, MA
Enrolled with Medicare as Practitioner - Cardiac Electrophysiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Ennis, D.O. is a Clinical Cardiac Electrophysiology Physician provider in Southbridge, MA (NPI 1881631489).
Provider details
- NPI number
- 1881631489
- Entity type
- Individual
- Primary specialty
- Clinical Cardiac Electrophysiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 226634 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
809 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 161 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 127 | $96 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 119 | $129 |
| Electrocardiogram (ecg) Up to 30 Days Continuous With Symptom Monitoring, Transmission and Review and Report By Health Care Professional93272 | 105 | $24 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $101 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 222 | 60 |
| Metoprolol Succinate | 164 | 62 |
| Metoprolol Tartrate | 70 | 25 |
| Diltiazem Hclbrand: Diltiazem 24hr Er (cd) | 68 | 25 |
| Flecainide Acetate | 57 | 20 |
| Atorvastatin Calcium | 37 | 13 |
| Furosemide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 3 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
Additional practice locations (1)
- 55 Lake Ave NUmass Memorial Medical CenterWorcester, MA 01655-0002Phone: (508) 334-3452
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2026-03-05
- Certified
- 2026-03-05
Frequently asked questions
- What is Cynthia Ennis's NPI number?
- Cynthia Ennis's National Provider Identifier (NPI) is 1881631489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Ennis's specialty?
- Cynthia Ennis is listed in the NPPES registry with a primary specialty of Clinical Cardiac Electrophysiology Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Ennis located?
- Cynthia Ennis's practice location on file with NPPES is 100 South St, Southbridge, MA 01550-4051.
- What is Cynthia Ennis's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Ennis is (508) 764-6041.
- Does Cynthia Ennis accept Medicare?
- Cynthia Ennis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Ennis's NPI active?
- Yes — Cynthia Ennis's NPI (1881631489) is active in the NPPES registry as of the last update on 2026-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.