NPPES file of Aug 9, 2026

Wendy Johnson, MD

Cardiovascular Disease Physician · South Weymouth, MA

Wendy Johnson, MD is a cardiovascular disease physician with a practice address in South Weymouth, Massachusetts, and NPI 1942224654, issued on Jul 26, 2006. Check the license (Massachusetts 77333, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942224654
Name
Wendy Johnson
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
77333 MA
Self-reported in NPPES; status is on the state search
Practice location
70 Pleasant St, South Weymouth, MA 02190
Phone
(781) 331-2000
Enumerated
Jul 26, 2006
Record last updated
Jul 8, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(781) 337-6104
Medicaid ID
3168310 MA
Medicare enrollment
Enrolled (PECOS I20080419000005); accepts Medicare assignment
Medical or professional school
Johns Hopkins University School Of Medicine, 1990
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 70 Pleasant St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joshua Arkin, MDCardiovascular Disease Physician1821315060
  2. William Calhoun, MDCardiovascular Disease Physician1952324303
  3. Pranitha Reddy, M.D.Cardiovascular Disease Physician1154564227
  4. Alexei Shvilkin, M.D.Clinical Cardiac Electrophysiology Physician1336107390

Verify Wendy Johnson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 77333
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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79% more Medicare Part D claims than the average cardiovascular disease physician in 2024

5,496 Medicare Part D claims for 639 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Wendy Johnson5,496
  2. Specialty average3,078

Most prescribed

  1. Metoprolol Succinate827 claims
  2. Atorvastatin Calcium651 claims
  3. Eliquis513 claims
  4. Losartan Potassium473 claims
  5. Amlodipine Besylate339 claims
  6. Lisinopril280 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score61.9
  2. Costout of 100 · 30%70.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $133.05

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wendy Johnson$133.05
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. South Shore Medical Center, Inc.Weymouth, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

13 cardiovascular disease physician records list a practice address in South Weymouth

They are 13 of the 445 NPPES records with a practice address in South Weymouth, and 1,080 cardiovascular disease physician records in Massachusetts.

Other cardiovascular disease physician records in Massachusetts

  1. Mahmoud Abdelghany, M.D.Springfield, MA1134479629
  2. Rishard Abdul, M.B.B.SSpringfield, MA1114412830
  3. Saeed Abughazaleh, MDSpringfield, MA1427782762
  4. Subasit Acharji, MDLeominster, MA1225246358
  5. Kenneth Adams, M.D.Haverhill, MA1720082787
  6. Nicholas Adamstein, MDBoston, MA1548897218
  7. Dale Adler, M.D.Boston, MA1295769966
  8. Nadeem Afridi, MDNewburyport, MA1619961372
  9. Hanna Ahmed, M.DWorcester, MA1417111428
  10. Mashrafi Ahmed, M.DSpringfield, MA1265759328

Common questions

What is Wendy Johnson, MD's NPI number?

Wendy Johnson, MD's National Provider Identifier (NPI) is 1942224654, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wendy Johnson, MD located?

The NPPES record lists a practice address at 70 Pleasant St, South Weymouth, MA, 02190. Phone: (781) 331-2000. Providers update this record themselves, so call before visiting.

How can I verify Wendy Johnson, MD's license?

NPPES lists Massachusetts license number 77333, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Wendy Johnson, MD prescribe under Medicare Part D?

In 2024, Wendy Johnson, MD had 5,496 Medicare Part D claims for 639 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.

What is Wendy Johnson, MD's MIPS final score?

The 2023 MIPS final score is 77.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.