Wendy Johnson, MD
NPI 1942224654 · Cardiovascular Disease Physician · South Weymouth, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Wendy Johnson, MD is a Cardiovascular Disease Physician provider in South Weymouth, MA (NPI 1942224654).
Provider details
- NPI number
- 1942224654
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 77333 (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
19 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
5,203 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 | 1,500 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,153 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 883 | $139 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 275 | $222 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 243 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 827 | 251 |
| Atorvastatin Calcium | 651 | 193 |
| Apixabanbrand: Eliquis | 513 | 138 |
| Losartan Potassium | 473 | 144 |
| Amlodipine Besylate | 339 | 99 |
| Lisinopril | 280 | 84 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$133 across 2 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
- 2006-07-26
- Last updated
- 2013-07-08
Frequently asked questions
- What is Wendy Johnson's NPI number?
- Wendy Johnson's National Provider Identifier (NPI) is 1942224654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Wendy Johnson's specialty?
- Wendy Johnson is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Wendy Johnson located?
- Wendy Johnson's practice location on file with NPPES is 70 Pleasant St, South Weymouth, MA 02190-2427.
- What is Wendy Johnson's phone number?
- The practice phone number listed in the NPPES registry for Wendy Johnson is (781) 331-2000.
- Does Wendy Johnson accept Medicare?
- Wendy Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Wendy Johnson's NPI active?
- Yes — Wendy Johnson's NPI (1942224654) is active in the NPPES registry as of the last update on 2013-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.