MELISSA D'SOUZA M.D
NPI 1366963597
Internal Medicine in Boston, MA

Active since June 28, 2017PECOS EnrolledAccepts Medicare Assignment
165 CAMBRIDGE ST, BOSTON, MA 02114(617) 726-4600 Get Directions Write a Review

NPPES record last updated: December 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 22, 2020, Jun 28, 2017 (2 updates tracked since 2017).

About Melissa D'souza M.d NPPES

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

MELISSA D'SOUZA M.D (NPI 1366963597) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (283629) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1366963597
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMELISSA D'SOUZACredential: M.D
Location Address165 CAMBRIDGE STBoston, MA 02114-2783
Mailing Address47 New Scotland Avenue, Dept. Of Internal MedicineAlbany, NY 12208 · (518) 262-5377
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateJune 28, 2017
Last NPPES UpdateDecember 22, 20202 updates tracked since enumeration
NPPES CertifiedDecember 22, 2020
NPI 1366963597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MA · 283629
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
165 CAMBRIDGE ST, Boston, MA 02114

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

Melissa D'souza 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 ID5698011914
PECOS Enrollment IDI20230922000972
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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
438 services171 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.
239 services126 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.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Lawrence General Hospital

Acute Care Hospitals · Lawrence, MA
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220010
LocationOne General StreetLawrence, MA 01842 · Essex County
Emergency services Birthing friendly

Holy Family Hospital

Acute Care Hospitals · Methuen, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220080
Location70 East StreetMethuen, MA 01844 · Essex 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 20

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

Registered Nurse (Ambulatory Care)
165 CAMBRIDGE ST, MGH CROHN'S AND COLITIS CENTER
BOSTON, MA 02114
Nuclear Medicine
165 CAMBRIDGE ST, SUITE 400
BOSTON, MA 02114
Nurse Practitioner
165 CAMBRIDGE ST, GI ASSOCIATES AT CHARLES RIVER PLAZA, 9TH FLOOR
BOSTON, MA 02114
Internal Medicine (Nephrology)
165 CAMBRIDGE ST
BOSTON, MA 02114
Surgery (Trauma Surgery)
165 CAMBRIDGE ST
BOSTON, MA 02114
Nurse Practitioner (Adult Health)
165 CAMBRIDGE ST
BOSTON, MA 02114
Dietitian, Registered
165 CAMBRIDGE ST, SUITE 402
BOSTON, MA 02114
Nurse Practitioner (Family)
165 CAMBRIDGE ST, CHARLES RIVER PLAZA, SUITE 404
BOSTON, MA 02114

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 Melissa D'souza's NPI number?

The NPI number for Melissa D'souza is 1366963597. It was assigned to this individual provider in the NPPES registry on June 28, 2017.

Where is Melissa D'souza located?

Melissa D'souza practices at 165 Cambridge St, Boston, MA 02114. The listed phone number is (617) 726-4600.

What is Melissa D'souza's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Melissa D'souza enrolled in Medicare?

Yes. Melissa D'souza 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 Melissa D'souza accept?

Health plans from Ambetter from NH Healthy Families list Melissa D'souza 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 Melissa D'souza affiliated with any hospitals?

According to CMS data, Melissa D'souza is affiliated with Lawrence General Hospital and Holy Family Hospital.

When was this NPI record last updated?

The NPPES record for Melissa D'souza was last updated on December 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.