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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOUISE C IVERS MD
NPI 1750354064
Internal Medicine - Infectious Disease in Boston, MA

Active since February 08, 2006PECOS Enrolled
55 FRUIT STREET GRJ 504, MASSACHUSETTS GENERAL HOSPITAL, BOSTON, MA 02114(617) 726-3812(617) 726-7416 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Louise C Ivers Md NPPES

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

DR. LOUISE C IVERS MD (NPI 1750354064) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (208858) and active in the NPI registry since February 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1750354064
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. LOUISE C IVERSCredential: MD
Location Address55 FRUIT STREET GRJ 504, MASSACHUSETTS GENERAL HOSPITALBoston, MA 02114
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-3812
Fax(617) 726-7416
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateFebruary 8, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1750354064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MA · 208858
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedInternal MedicineTaxonomy 207R00000X · License 208858 (MA)
55 FRUIT STREET GRJ 504, Boston, MA 02114
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Other Identifiers 3

Medicaid0143260MA
Other208858MA · Tufts Health Plan
OtherJ23733MA · Bcbs Ma

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

Dr. Louise C Ivers 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 ID2264439660
PECOS Enrollment IDI20061027000131
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.

Hospital Affiliations CMS Care Compare

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

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

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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
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 3

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

DR. REGINA CELESTE LAROCQUE MD MPH
Internal Medicine (Infectious Disease)
55 FRUIT STREET GRJ 504, INFECTIOUS DISEASE ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 724-7511
DR. CAMILLE N KOTTON MD
Internal Medicine (Infectious Disease)
55 FRUIT STREET GRJ 504, INFECTIOUS DISEASE ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3812
DR. MELISSA AMY BENDER MD
Internal Medicine
55 FRUIT STREET GRJ 504, MASSACHUSETTS GENERAL HOSPITAL
BOSTON, MA 02114
Suffolk County (617) 726-3812

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 Louise Ivers's NPI number?

The NPI number for Louise Ivers is 1750354064. It was assigned to this individual provider in the NPPES registry on February 8, 2006.

Where is Louise Ivers located?

Louise Ivers practices at 55 Fruit Street Grj 504 Massachusetts General Hospital, Boston, MA 02114. The listed phone number is (617) 726-3812.

What is Louise Ivers's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Louise Ivers enrolled in Medicare?

Yes. Louise Ivers 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.

Is Louise Ivers affiliated with any hospitals?

According to CMS data, Louise Ivers is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Louise Ivers was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.