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DR. MARY THERESA LASALVIA M.D.
NPI 1679730543
Internal Medicine - Infectious Disease in Boston, MA

Active since May 19, 2008PECOS EnrolledAccepts Medicare Assignment
110 FRANCIS ST, SUITE GB, BOSTON, MA 02215(617) 632-7706(617) 632-7626 Get Directions Write a Review

NPPES record last updated: March 17, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Mary Theresa Lasalvia M.d. NPPES

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

DR. MARY THERESA LASALVIA M.D. (NPI 1679730543) is an individual infectious disease provider in Boston, Massachusetts, licensed in Massachusetts (242508) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1679730543
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. MARY THERESA LASALVIACredential: M.D.
Location Address110 FRANCIS ST, SUITE GBBoston, MA 02215-5501
Mailing Address110 Francis St, Suite GbBoston, MA 02215-5501 · (617) 632-7706 · Fax (617) 632-7626
Phone(617) 632-7706
Fax(617) 632-7626
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 19, 2008
Last NPPES UpdateMarch 17, 2016
✔ NPI 1679730543 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in MA · 242508
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.
110 FRANCIS ST, Boston, MA 02215
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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

Dr. Mary Theresa Lasalvia 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 ID8022286632
PECOS Enrollment IDI20110727000081
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 4

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.

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.
101 services60 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.
47 services47 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
24 services20 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.
23 services15 patients

Hospital Affiliations CMS Care Compare

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

Beth Israel Deaconess Medical Center

Acute Care Hospitals · Boston, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220086
Location330 Brookline AvenueBoston, MA 02215 · Suffolk County
Emergency services Birthing friendly

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
$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 20

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

GRACE ELIZABETH CHOUINARD PA-C
Physician Assistant (Surgical)
110 FRANCIS ST
BOSTON, MA 02215
Suffolk County (617) 632-7246
DR. DAE HYUN KIM M.D., M.P.H.
Internal Medicine (Geriatric Medicine)
110 FRANCIS ST, LMOB SUITE 1A
BOSTON, MA 02215
Suffolk County (617) 632-8696
ZIV PAZ M.D.
Internal Medicine (Rheumatology)
110 FRANCIS ST
BOSTON, MA 02215
Suffolk County (617) 632-8658
DR. DONICA TOSCANO PORTER AU.D.
Audiologist
110 FRANCIS ST, LOWRY BUILDING 6-E
BOSTON, MA 02215
Suffolk County (617) 632-7310
DR. DAVID SHOUKRY YASSA M.D
Internal Medicine (Infectious Disease)
110 FRANCIS ST, LOWRY BUILDING SUITE GB
BOSTON, MA 02215
Suffolk County (617) 632-7706
SUSAN E KELLY M.D.
Internal Medicine (Gastroenterology)
110 FRANCIS ST, SUITE 8E
BOSTON, MA 02215
Suffolk County (617) 632-8623
JULES R SCHWABER M.D.
Internal Medicine (Pulmonary Disease)
110 FRANCIS ST, SUITE 1B
BOSTON, MA 02215
Suffolk County (617) 632-0500
LORI ANN PANTHER M.D., M.P.H.
Internal Medicine (Infectious Disease)
110 FRANCIS ST, LMOB SUITE G-B
BOSTON, MA 02215
Suffolk County (617) 632-7706

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 Mary Lasalvia's NPI number?

The NPI number for Mary Lasalvia is 1679730543. It was assigned to this individual provider in the NPPES registry on May 19, 2008.

Where is Mary Lasalvia located?

Mary Lasalvia practices at 110 Francis St Suite Gb, Boston, MA 02215. The listed phone number is (617) 632-7706.

What is Mary Lasalvia's specialty?

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

Is Mary Lasalvia enrolled in Medicare?

Yes. Mary Lasalvia 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 Mary Lasalvia accept?

Health plans from Anthem Blue Cross and Blue Shield list Mary Lasalvia 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 Mary Lasalvia affiliated with any hospitals?

According to CMS data, Mary Lasalvia is affiliated with Beth Israel Deaconess Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Lasalvia was last updated on March 17, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.