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DR. MARC ISAAC BLATT MD MBA
NPI 1689255994
Emergency Medicine in Boston, MA

Active since April 19, 2021PECOS EnrolledAccepts Medicare Assignment
1 DEACONESS RD, BOSTON, MA 02215(617) 754-2400 Get Directions Write a Review

NPPES record last updated: April 1, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 1, 2025, Apr 19, 2022, Apr 19, 2021 (3 updates tracked since 2021).

About Dr. Marc Isaac Blatt Md Mba NPPES

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

DR. MARC ISAAC BLATT MD MBA (NPI 1689255994) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1021450) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Mount Auburn Hospital, and is a graduate of Vanderbilt University School Of Medicine (2022).

NPPES Registry Identity

NPI1689255994
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARC ISAAC BLATTCredential: MD MBA
Location Address1 DEACONESS RDBoston, MA 02215-5321
Mailing AddressOne Deaconess Road, Rosenberg 2Boston, MA 02215 · (617) 667-7000
Phone(617) 754-2400
Sole ProprietorNo
Medical School CMSVanderbilt University School Of MedicineGraduated 2022
Enumeration DateApril 19, 2021
Last NPPES UpdateApril 1, 20253 updates tracked since enumeration
NPPES CertifiedMarch 31, 2025
✔ NPI 1689255994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in MA · 1021450
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1 DEACONESS RD, Boston, MA 02215
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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. Marc Isaac Blatt Md Mba 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 ID7214445980
PECOS Enrollment IDI20250804002673
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 5

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

Mount Auburn Hospital

Acute Care Hospitals · Cambridge, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220002
Location330 Mount Auburn StreetCambridge, MA 02138 · Middlesex County
Emergency services Birthing friendly

Umass Memorial Health - Harrington Hospital

Acute Care Hospitals · Southbridge, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220019
Location100 South StreetSouthbridge, MA 01550 · Worcester County
Emergency services

Beth Israel Deaconess Hospital - Needham

Acute Care Hospitals · Needham, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220083
Location148 Chestnut StreetNeedham, MA 02494 · Norfolk County
Emergency services

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

Beth Israel Deaconess Hospital - Milton

Acute Care Hospitals · Milton, MA
4/5 CMS rating
OwnershipGovernment - Federal
CMS Certification Number220108
Location199 Reedsdale RoadMilton, MA 02186 · Norfolk County
Emergency services

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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

ERIC ANDREW WONG M.D.
Emergency Medicine
1 DEACONESS RD, WEST CC2
BOSTON, MA 02215
Suffolk County (617) 754-2339
ALON DAGAN M.D.
Emergency Medicine
1 DEACONESS RD, WEST CLINICAL CENTER 2
BOSTON, MA 02215
Suffolk County (617) 754-2339
DAVID WILLIAM SCHOENFELD M.D.
Student in an Organized Health Care Education/Training Program
1 DEACONESS RD, W-CC2 DEPARTMENT OF EMERGENCY MEDICINE
BOSTON, MA 02215
Suffolk County (617) 754-2339
DR. BRETT A SYLVIA M.D.
Emergency Medicine
1 DEACONESS RD, DEPT OF EMERGENCY MEDICINE, WEST-CC2
BOSTON, MA 02215
Suffolk County (617) 754-2339
ELLA AVEDIKIAN LCSW
Social Worker (Clinical)
1 DEACONESS RD
BOSTON, MA 02215
Suffolk County (617) 667-7000
LESLIE BILELLO
Emergency Medicine
1 DEACONESS RD
BOSTON, MA 02215
Suffolk County (617) 667-7000
DR. CHRISTIE FRITZ MD
Emergency Medicine
1 DEACONESS RD, W-CC2
BOSTON, MA 02215
Suffolk County (617) 667-7000
KATHRYN RODRIGUEZ LUPEZ M.D.
Emergency Medicine
1 DEACONESS RD
BOSTON, MA 02215
Suffolk County (617) 667-7000

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 Marc Blatt's NPI number?

The NPI number for Marc Blatt is 1689255994. It was assigned to this individual provider in the NPPES registry on April 19, 2021.

Where is Marc Blatt located?

Marc Blatt practices at 1 Deaconess Rd, Boston, MA 02215. The listed phone number is (617) 754-2400.

What is Marc Blatt's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Marc Blatt enrolled in Medicare?

Yes. Marc Blatt 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 Marc Blatt affiliated with any hospitals?

According to CMS data, Marc Blatt is affiliated with Mount Auburn Hospital, Umass Memorial Health - Harrington Hospital, Beth Israel Deaconess Hospital - Needham, Beth Israel Deaconess Medical Center and Beth Israel Deaconess Hospital - Milton.

When was this NPI record last updated?

The NPPES record for Marc Blatt was last updated on April 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.