DR. NEIL STUART HOROWITZ MD
NPI 1629050919
Obstetrics & Gynecology in Boston, MA

Active since November 14, 2005PECOS EnrolledAccepts Medicare Assignment
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL, BOSTON, MA 02115(617) 732-8843(617) 738-5124 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Neil Stuart Horowitz Md NPPES

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

DR. NEIL STUART HOROWITZ MD (NPI 1629050919) is an individual obstetrics & gynecology provider in Boston, Massachusetts, licensed in Massachusetts (217409) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains a secondary practice location in Milford.

NPPES Registry Identity

NPI1629050919
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. NEIL STUART HOROWITZCredential: MD
Location Address75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITALBoston, MA 02115-6110
Mailing Address111 Cypress StBrookline, MA 02445-6002 · (857) 307-0896
Fax(617) 738-5124
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1996
Enumeration DateNovember 14, 2005
Last NPPES UpdateDecember 10, 2025
NPPES CertifiedDecember 10, 2025
NPI 1629050919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MA · 217409
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · Gynecologic OncologyTaxonomy 207VX0201X · License 217409 (MA)
75 FRANCIS ST, Boston, MA 02115

Secondary Practice Location 1

Location 114 Prospect StMilford, MA 01757-3003 · Phone (508) 473-1190

Other Identifiers 3

Medicaid2011026MA
Other217409MA · Tufts Health Plan
OtherJ26246MA · Bcbs Ma

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

Dr. Neil Stuart Horowitz 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 ID8123110996
PECOS Enrollment IDI20070824000146
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 11

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.
88 services56 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.
48 services36 patients
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.
40 services16 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
34 services34 patients
Removal of uterus, tubes, and/or ovaries through abdomen using an endoscope, 250.0 g or less 58571
This procedure involves the removal of certain internal structures through small incisions in the abdomen, using a special tool called an endoscope. It's performed when these structures are causing health issues. The weight reference (250.0 g or less) relates to the size of the structures being removed.
27 services27 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
21 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Milford Regional Medical Center

Acute Care Hospitals · Milford, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220090
Location14 Prospect StreetMilford, MA 01757 · Worcester County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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.

Internal Medicine (Gastroenterology)
75 FRANCIS ST
BOSTON, MA 02115
Neurological Surgery
75 FRANCIS ST
BOSTON, MA 02115
Student in an Organized Health Care Education/Training Program
75 FRANCIS ST
BOSTON, MA 02115
Radiology (Diagnostic Radiology)
75 FRANCIS ST, DEPARTMENT OF RADIOLOGY
BOSTON, MA 02115
Surgery (Vascular Surgery)
75 FRANCIS ST, BRIGHAM AND WOMEN'S HOSPITAL
BOSTON, MA 02115
Internal Medicine (Infectious Disease)
75 FRANCIS ST
BOSTON, MA 02115
Emergency Medicine
75 FRANCIS ST, BWH DEPT. OF EMERGENCY MEDICINE
BOSTON, MA 02115
Physician Assistant
75 FRANCIS ST
BOSTON, MA 02115

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 Neil Horowitz's NPI number?

The NPI number for Neil Horowitz is 1629050919. It was assigned to this individual provider in the NPPES registry on November 14, 2005.

Where is Neil Horowitz located?

Neil Horowitz practices at 75 Francis St Brigham And Women's Hospital, Boston, MA 02115. The listed phone number is (617) 732-8843.

What is Neil Horowitz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Neil Horowitz enrolled in Medicare?

Yes. Neil Horowitz 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 Neil Horowitz accept?

Health plans from Anthem Blue Cross and Blue Shield list Neil Horowitz 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 Neil Horowitz affiliated with any hospitals?

According to CMS data, Neil Horowitz is affiliated with Massachusetts General Hospital, Milford Regional Medical Center and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Neil Horowitz was last updated on December 10, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.