Doctor profile · Federal record

Dr. Kenneth Rosenfield, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Boston, MA

  • NPI 1134327745
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit St # 800, Mailstop 843
Boston, MA 021142621
(617) 724-1935
fax (617) 726-3971
Mailing address
55 Fruit St, Grb 800
Boston, MA 021142621

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
August 26, 2009
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Massachusetts #79142
Medicaid
MA #3047610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134327745. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,082
Distinct HCPCS
10
Medicare allowed
$107,991
HCPCS Description Services Patients Avg allowed
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 275 209 $16
99214 Established patient office or other outpatient visit, 30-39 minutes 254 217 $140
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 126 102 $13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 88 62 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 57 55 $184
92978 Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel 33 30 $97
92928 Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 31 23 $555
93451 Insertion of tube in right heart chambers for measurement 31 16 $80
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 30 25 $53
93454 Insertion of tube in coronary artery for diagnosis with review by radiologist 22 21 $156

In context: peer comparison

Among 134 peers in Boston Cardiovascular Disease Physician, average services per provider: 118. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$137,121
Transactions
69
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Contego Medical, INC 12 $60,000.00
Boston Scientific Corporation 16 $45,424.78
Medtronic, INC. 13 $11,665.26
Imperative Care, INC 4 $9,146.17
Philips North America LLC 14 $5,742.13
Abbott Laboratories 2 $3,750.00
Cordis US Corp. 3 $987.90
Innova Vascular INC. 1 $159.87
AngioDynamics, INC. 1 $103.07
Thrombolex, INC. 1 $86.28
Asahi Intecc USA, INC. 1 $33.45
Reflow Medical INC 1 $22.30

By nature of payment

Consulting Fee
$131,706
Travel and Lodging
$2,606
Food and Beverage
$2,059
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$750

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
76
Patients
22
Total drug cost
$2,415
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 23 11 $441
Clopidogrel (Clopidogrel Bisulfate) Brand 21 0 $484
Atorvastatin Calcium Generic 18 11 $332
Rosuvastatin Calcium Generic 14 0 $1,158

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Rosenfield's medical specialty?
Dr. Kenneth Rosenfield practices Cardiovascular Disease Physician in Boston, MA.
Where does Dr. Kenneth Rosenfield practice?
Dr. Kenneth Rosenfield practices at 55 Fruit St # 800, Boston, MA 021142621. Office phone: 6177241935.
What is Dr. Kenneth Rosenfield's NPI?
Dr. Kenneth Rosenfield's National Provider Identifier (NPI) is 1134327745, issued by NPPES.
Does Dr. Kenneth Rosenfield accept Medicare assignment?
Yes. Dr. Kenneth Rosenfield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Rosenfield commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Established patient office or other outpatient visit (HCPCS 99214); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152). Source: CMS Medicare Physician & Other Practitioners file.