1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

KENNETH ROSENFIELD M.D.
NPI 1134327745
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since July 05, 2007PECOS EnrolledAccepts Medicare Assignment
55 FRUIT ST # 800, MAILSTOP 843, BOSTON, MA 02114(617) 724-1935(617) 726-3971 Get Directions Write a Review

NPPES record last updated: August 26, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Kenneth Rosenfield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KENNETH ROSENFIELD M.D. (NPI 1134327745) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (79142) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of University Of Massachusetts Medical School (1982).

NPPES Registry Identity

NPI1134327745
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameKENNETH ROSENFIELDCredential: M.D.
Location Address55 FRUIT ST # 800, MAILSTOP 843Boston, MA 02114-2621
Mailing Address55 Fruit St, Grb 800Boston, MA 02114-2621 · (617) 724-1935 · Fax (617) 726-3971
Phone(617) 724-1935
Fax(617) 726-3971
Sole ProprietorYes
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 1982
Enumeration DateJuly 5, 2007
Last NPPES UpdateAugust 26, 2009
✔ NPI 1134327745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in MA · 79142
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
55 FRUIT ST # 800, Boston, MA 02114
Open in Google Maps ↗

Other Identifiers 5

OtherJ08828MA · Bcbs Ma
Other713099MA · Tufts Health Plan
Medicare UPINE15237MA
Medicaid3047610MA
Medicare ID-Type UnspecifiedJ08828MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kenneth Rosenfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1254329063
PECOS Enrollment IDI20040503000075
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
145 services126 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
101 services92 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
51 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
47 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
24 services24 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

North Shore Medical Center -

Acute Care Hospitals · Salem, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220035
Location81 Highland AvenueSalem, MA 01970 · Essex County
Emergency services Birthing friendly

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DOROTHY A SULLIVAN NP
Nurse Practitioner
55 FRUIT ST # 800, MGH HEART FAILURE CENTER
BOSTON, MA 02114
Suffolk County (617) 726-8229
DR. STEPHANIE A MOORE M.D.
Internal Medicine (Advanced Heart Failure and Transplant Cardiology)
55 FRUIT ST # 800, DEPARTMENT OF CARDIOVASCULAR MEDICINE
BOSTON, MA 02114
Suffolk County (617) 726-9554

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kenneth Rosenfield's NPI number?

The NPI number for Kenneth Rosenfield is 1134327745. It was assigned to this individual provider in the NPPES registry on July 5, 2007.

Where is Kenneth Rosenfield located?

Kenneth Rosenfield practices at 55 Fruit St # 800 Mailstop 843, Boston, MA 02114. The listed phone number is (617) 724-1935.

What is Kenneth Rosenfield's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Kenneth Rosenfield enrolled in Medicare?

Yes. Kenneth Rosenfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kenneth Rosenfield accept?

Health plans from Anthem Blue Cross and Blue Shield list Kenneth Rosenfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kenneth Rosenfield affiliated with any hospitals?

According to CMS data, Kenneth Rosenfield is affiliated with North Shore Medical Center -, Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Kenneth Rosenfield was last updated on August 26, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.