GEOFFREY S HIRSOWITZ MD
NPI 1649299744
Internal Medicine - Cardiovascular Disease in Boston, MA

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
133 BROOKLINE AVE, BOSTON, MA 02215(617) 421-6050(617) 421-6083 Get Directions Write a Review

NPPES record last updated: February 17, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Geoffrey S Hirsowitz Md NPPES

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

GEOFFREY S HIRSOWITZ MD (NPI 1649299744) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (79629) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1975).

NPPES Registry Identity

NPI1649299744
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameGEOFFREY S HIRSOWITZCredential: MD
Location Address133 BROOKLINE AVEBoston, MA 02215-3904
Mailing Address133 Brookline AveBoston, MA 02215-3904 · (617) 421-6050 · Fax (617) 421-6083
Fax(617) 421-6083
Sole ProprietorNo
Medical School CMSOtherGraduated 1975
Enumeration DateJuly 19, 2006
Last NPPES UpdateFebruary 17, 2021
NPPES CertifiedFebruary 17, 2021
NPI 1649299744 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 · 79629
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.
133 BROOKLINE AVE, Boston, MA 02215

Other Identifiers 8

OtherJ10769MA · Blue Cross
Other079629MD · Tufts Health Plan
Medicaid3192521MA
OtherP00146825MA · Railroad
Other0014934MA · Neighborhood Health
OtherPM348MA · Harvard Pilgrim
Other2158455-003MA · Healthsource
Other2158455-003MA · Cigna

Accepted 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

Geoffrey S Hirsowitz Md 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 ID4385681253
PECOS Enrollment IDI20050412000972
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 15

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
159 services157 patients
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.
71 services49 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
70 services35 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.
61 services50 patients
Natriuretic peptide (heart and blood vessel protein) level 83880
A natriuretic peptide level test is a blood test that helps doctors check for heart failure. It measures the amount of certain proteins that your heart and blood vessels produce when they are under stress. High levels may indicate heart disease.
46 services18 patients
Blood test panel for electrolytes (sodium potassium, chloride, carbon dioxide) 80051
A blood test panel for electrolytes checks the levels of sodium, potassium, chloride, and carbon dioxide in your blood. These elements are crucial for body functions such as maintaining fluid balance, muscle contractions, and heart rhythm. The test helps identify any imbalances.
36 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 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 20

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

Nurse Practitioner (Family)
133 BROOKLINE AVE
BOSTON, MA 02215
Nurse Practitioner (Adult Health)
133 BROOKLINE AVE
BOSTON, MA 02215
Psychiatry & Neurology (Psychiatry)
133 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine
133 BROOKLINE AVE, INTERNAL MEDICINE
BOSTON, MA 02215
Social Worker
133 BROOKLINE AVE
BOSTON, MA 02215
Registered Nurse
133 BROOKLINE AVE
BOSTON, MA 02215
Genetic Counselor, MS
133 BROOKLINE AVE
BOSTON, MA 02215
Technician/Technologist (Optician)
133 BROOKLINE AVE
BOSTON, MA 02215

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 Geoffrey Hirsowitz's NPI number?

The NPI number for Geoffrey Hirsowitz is 1649299744. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Geoffrey Hirsowitz located?

Geoffrey Hirsowitz practices at 133 Brookline Ave, Boston, MA 02215. The listed phone number is (617) 421-6050.

What is Geoffrey Hirsowitz's specialty?

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

Is Geoffrey Hirsowitz enrolled in Medicare?

Yes. Geoffrey Hirsowitz 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 Geoffrey Hirsowitz accept?

Health plans from Anthem Blue Cross and Blue Shield list Geoffrey Hirsowitz 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.

When was this NPI record last updated?

The NPPES record for Geoffrey Hirsowitz was last updated on February 17, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.