1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

MARA EVE MURRAY HORWITZ
NPI 1477896652
Internal Medicine in Boston, MA

Active since April 05, 2013PECOS EnrolledAccepts Medicare Assignment
801 MASSACHUSETTS AVE, CROSSTOWN 6, BOSTON, MA 02118(617) 414-5951(617) 414-9201 Get Directions Write a Review

NPPES record last updated: June 24, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 24, 2020, Jan 17, 2017 (2 updates tracked since 2017).

About Mara Eve Murray Horwitz NPPES

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

MARA EVE MURRAY HORWITZ (NPI 1477896652) is an individual internal medicine provider in Boston, Massachusetts, licensed in Massachusetts (266091) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of University Of California, San Diego School Of Medicine (2013).

NPPES Registry Identity

NPI1477896652
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARA EVE MURRAY HORWITZ
Location Address801 MASSACHUSETTS AVE, CROSSTOWN 6Boston, MA 02118-2605
Mailing Address801 Albany St Fl GroundBoston, MA 02119-2560 · (161) 741-4540 · Fax (617) 638-6501
Phone(617) 414-5951
Fax(617) 414-9201
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2013
Enumeration DateApril 5, 2013
Last NPPES UpdateJune 24, 20202 updates tracked since enumeration
NPPES CertifiedJune 24, 2020
✔ NPI 1477896652 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 266091
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.
801 MASSACHUSETTS AVE, Boston, MA 02118
Open in Google Maps ↗

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

Mara Eve Murray Horwitz 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 ID3779716717
PECOS Enrollment IDI20170220000936
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

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.

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.
12 services11 patients

Hospital Affiliations CMS Care Compare

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

DR. FELICIA ELIZABETH PATCH MD
Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Suffolk County (617) 414-4376
CORINA ELENA BEINER MARTINEZ
Student in an Organized Health Care Education/Training Program
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Suffolk County (617) 414-5951
MAYERLIN MORLA UBIERA
Counselor (Mental Health)
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Suffolk County (617) 651-2538
XANTHIA ALIX TUCKER MD
Internal Medicine
801 MASSACHUSETTS AVE, SUITE 5A, CROSSTOWN BLDG
BOSTON, MA 02118
Suffolk County (617) 414-5951
DR. JENNIFER K HUGHES M.D.
Internal Medicine (Hospice and Palliative Medicine)
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Suffolk County (617) 414-4376
LUCY CURELL
Community Health Worker
801 MASSACHUSETTS AVE
BOSTON, MA 02118
Suffolk County (617) 991-8264
AMOS WU
Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Suffolk County (617) 414-7399
MS. ARCHANA VASUDEVAN DO
Internal Medicine
801 MASSACHUSETTS AVE, CROSSTOWN 2
BOSTON, MA 02118
Suffolk County (617) 414-7399

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 Mara Murray Horwitz's NPI number?

The NPI number for Mara Murray Horwitz is 1477896652. It was assigned to this individual provider in the NPPES registry on April 5, 2013.

Where is Mara Murray Horwitz located?

Mara Murray Horwitz practices at 801 Massachusetts Ave Crosstown 6, Boston, MA 02118. The listed phone number is (617) 414-5951.

What is Mara Murray Horwitz's specialty?

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

Is Mara Murray Horwitz enrolled in Medicare?

Yes. Mara Murray Horwitz 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 Mara Murray Horwitz accept?

Health plans from Anthem Blue Cross and Blue Shield list Mara Murray Horwitz 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 Mara Murray Horwitz affiliated with any hospitals?

According to CMS data, Mara Murray Horwitz is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Mara Murray Horwitz was last updated on June 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.