STEVEN NICHOLAS BALDASSANO MD
NPI 1417585076
Internal Medicine in Boston, MA

Active since March 30, 2020PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: May 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 16, 2025, Jul 28, 2020, Mar 30, 2020 (3 updates tracked since 2020).

About Steven Nicholas Baldassano Md NPPES

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

STEVEN NICHOLAS BALDASSANO MD (NPI 1417585076) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (284140) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Newton, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2020).

NPPES Registry Identity

NPI1417585076
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEVEN NICHOLAS BALDASSANOCredential: MD
Location Address55 FRUIT STBoston, MA 02114-2696
Mailing Address2014 Washington StNewton, MA 02462-1699 · (617) 243-6467 · Fax (617) 243-6701
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2020
Enumeration DateMarch 30, 2020
Last NPPES UpdateMay 16, 20253 updates tracked since enumeration
NPPES CertifiedMay 16, 2025
NPI 1417585076 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 · 284140
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.
55 FRUIT ST, Boston, MA 02114

Secondary Practice Location 1

Location 12014 Washington StNewton, MA 02462-1699 · Phone (617) 243-6467 · Fax (617) 243-6701

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

Steven Nicholas Baldassano 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 ID6204253800
PECOS Enrollment IDI20250602000798
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.

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.

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
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 Steven Baldassano's NPI number?

The NPI number for Steven Baldassano is 1417585076. It was assigned to this individual provider in the NPPES registry on March 30, 2020.

Where is Steven Baldassano located?

Steven Baldassano practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Steven Baldassano's specialty?

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

Is Steven Baldassano enrolled in Medicare?

Yes. Steven Baldassano 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.

When was this NPI record last updated?

The NPPES record for Steven Baldassano was last updated on May 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.