Kenneth Rosenfield, M.D.
Cardiovascular Disease Physician · Boston, MA
Kenneth Rosenfield, M.D. is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1134327745, issued on Jul 5, 2007. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Kenneth Rosenfield
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- Practice location
- 55 Fruit St # 800, Boston, MA 02114
- Phone
- (617) 724-1935
- Enumerated
- Jul 5, 2007
- Entity
- Type 1 · individual
Also registered at 55 Fruit St # 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Moore, M.D.Cardiovascular Disease Physician1740261486
- Dorothy Sullivan, NPNurse Practitioner1366596769
Verify Kenneth Rosenfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
78 Medicare Part D claims for 32 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of 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.
Industry payments in 2024: $137,121.21
69 payments, mostly food and beverage; the largest payer was Contego Medical, Inc. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Cardiovascular Disease Physician providers in Massachusetts
There are 910 cardiovascular disease physician records in Massachusetts.
Other cardiovascular disease physician records in Massachusetts
- Omar Abdel-Razek, MDBoston, MA1912780008
- Rishard Abdul, M.B.B.SSpringfield, MA1114412830
- Kenneth Adams, M.D.Haverhill, MA1720082787
- Nicholas Adamstein, MDBoston, MA1548897218
- Dale Adler, M.D.Boston, MA1295769966
- Nadeem Afridi, MDNewburyport, MA1619961372
- Hanna Ahmed, M.DWorcester, MA1417111428
- Malik Ahmed, MDBoston, MA1386165470
- Eric Michael Aker, M.D.Norwood, MA1073571030
- Shahad Al Chalaby, MDBurlington, MA1316444276
Common questions
What is Kenneth Rosenfield, M.D.'s NPI number?
Kenneth Rosenfield, M.D.'s National Provider Identifier (NPI) is 1134327745, issued on Jul 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth Rosenfield, M.D. located?
The NPPES record lists a practice address at 55 Fruit St # 800, Boston, MA, 02114. Phone: (617) 724-1935. Providers update this record themselves, so call before visiting.
How can I verify Kenneth Rosenfield, M.D.'s license?
Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Kenneth Rosenfield, M.D. prescribe under Medicare Part D?
In 2024, Kenneth Rosenfield, M.D. had 78 Medicare Part D claims for 32 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.