Dr. Neil Stuart Horowitz, MD

  • Milford, MA
  • OB-GYN
NPI1629050919PAC ID8123110996
Medicare services, 2024
328
Medicare patients, 2024
194
Part D claims, 2024
20
Hospital affiliations
4
Industry payments
$3,467
Practice address
14 Prospect Street, Milford, MA 01757
Practice phone
Call (508) 473-1190
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

See all 12 affiliations

Find Dr. Horowitz's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Neil Stuart Horowitz is an OB-GYN in Milford, Massachusetts

Dr. Horowitz practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care.

Dr. Horowitz's NPI, 1629050919, was assigned on November 14, 2005. Dr. Horowitz graduated from Duke University School of Medicine in 1996. Dr. Horowitz holds Massachusetts license 217409.

NPI and contact details
Medicare PAC ID
8123110996
NPI enumeration date
November 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(508) 473-1190
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Neil Stuart Horowitz practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts

Dr. Horowitz's primary practice is UMass Memorial Health - Milford Regional Medical Center, at 14 Prospect Street, Milford, MA 01757 in Worcester County. The practice phone is (508) 473-1190.

Source: Dmand AI Affiliation Data

Dr. Neil Stuart Horowitz is affiliated with 6 sites of care and 6 medical groups

Dr. Horowitz's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. Dr. Horowitz is also affiliated with Dana-Farber Cancer Institute. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Horowitz to 2 more hospitals, 5 medical groups, 1 home health agency and 1 imaging center, each named with a free account.

See all 12 affiliations for Dr. Horowitz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Neil Stuart Horowitz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horowitz practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
UMass Memorial Health - Milford Regional Medical CenterAvailable with a free account
+5 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Horowitz practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across UMass Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Neil Stuart Horowitz is one of 903 OB-GYNs in Massachusetts

Obstetrics and gynecology is Dr. Horowitz's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Horowitz is licensed in Massachusetts.

Specialties and state licenses

  • Obstetrics and gynecology, MassachusettsPrimaryLicense 217409 · taxonomy 207V00000X

OB-GYNs near Dr. Horowitz

Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Neil Stuart Horowitz billed Medicare for 328 services in 2024

CMS data shows 328 Medicare services from Dr. Horowitz across 8 procedure codes in 2024, for 194 Medicare patients. Medicare paid $58,088 for them.

Medicare services, 2024328
Medicare patients194
Paid by Medicare$58,088
Procedure codes8

Dr. Horowitz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2682024: 2603%
Surgery
2023: 212024: 68224%

Where Dr. Horowitz's Medicare services took place, 2024

  • In an office7723%
  • In a facility25177%

Dr. Horowitz compared with the Massachusetts median for OB-GYNs, 2024

  • Dr. Horowitz
  • Massachusetts median
Medicare services
328vs 585.7 times
Medicare patients
194vs 563.5 times
Part D claims
23vs 2921% below

Medians across 803 OB-GYNs in Massachusetts with Dmand AI profiles that report each measure.

Dr. Horowitz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Horowitz

Need commercial claims for Dr. Horowitz?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horowitz and other OB-GYNs in Massachusetts.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Neil Stuart Horowitz treated 194 Medicare patients in 2024, average age 74

CMS counts 194 Medicare patients who saw Dr. Horowitz in 2024. The largest group is 65 to 74, with 96 patients. 70% of them have high cholesterol, and 63% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Horowitz's median patient age at 61, with 99% women.

Medicare patients, 2024194
Average age74
Average risk score1.61
Also on Medicaid14%

Dr. Horowitz's Medicare patients by age, 2024

Chronic conditions among Dr. Horowitz's Medicare patients, 2024

  1. High cholesterol70%
  2. High blood pressure63%
  3. Cancer49%
  4. Arthritis48%
  5. Anxiety42%
  6. Mood disorders32%
  7. Depression28%
  8. Osteoporosis23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Horowitz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women99%
  • Men0%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Neil Stuart Horowitz wrote 20 Medicare Part D claims in 2024

In 2024, Dr. Horowitz wrote 20 Medicare Part D claims. 100% of them were for generic drugs. They cover 2 drugs, with $347 in total drug cost. In 2018, CMS named 12 claims across 1 drug.

Part D claims, 202420
Drugs named by CMS2
Total drug cost$347

Dr. Horowitz's most prescribed drugs by claims, 2020

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2018 to 2020

  • 2018
  • 2020
Claims for drugs CMS names
2018: 122020: 2392%

Drugs named by CMS: 2 in 2020, 1 in 2018.

See all prescribing by Dr. Horowitz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Neil Stuart Horowitz ranks in the 94th percentile for removal of the uterus in Medicare

Dr. Horowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Horowitz as offering telehealth. CMS counts 23 procedures of removal of the uterus by Dr. Horowitz, more than 94% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Horowitz ranks in Medicare procedure volume

Removal of the uterus
94th percentile23 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

Find OB-GYNs like Dr. Horowitz by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Neil Stuart Horowitz received $3,467 in industry payments from 2021 to 2022

CMS Open Payments shows 2 general payments to Dr. Horowitz from 2 drug and device companies from 2021 to 2022. Speaker and faculty fees make up the largest share, 100% of the total. Merck KGaA paid the most, $3,450.

General payments to Dr. Horowitz by program year, 2021 to 2022

General payments to Dr. Horowitz by kind, 2021 to 2022

$3.5Kin total
  • Speaker and faculty fees$3,450100%
  • Food and beverage$170%

Companies that paid Dr. Horowitz the most, 2021 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Horowitz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Neil Stuart Horowitz graduated from Duke University School of Medicine

Dr. Horowitz graduated from Duke University School of Medicine in 1996.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Neil Stuart Horowitz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Neil Stuart Horowitz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Neil Stuart Horowitz's NPI number?

Dr. Neil Stuart Horowitz's NPI number is 1629050919. It was assigned on November 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Neil Stuart Horowitz?

Dr. Neil Stuart Horowitz is an OB-GYN in Milford, Massachusetts. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Neil Stuart Horowitz practice?

Dr. Horowitz practices at 14 Prospect Street, Milford, MA 01757. Dr. Horowitz's primary practice is UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts, part of UMass Memorial Health Care. Dmand AI also links Dr. Horowitz to 2 hospitals, 5 medical groups, 1 home health agency and 1 imaging center.

What is Dr. Neil Stuart Horowitz's office phone number?

The practice phone on file for Dr. Horowitz is (508) 473-1190.

What is Dr. Neil Stuart Horowitz's medical license number?

Dr. Horowitz holds Massachusetts license 217409.

Which hospitals is Dr. Neil Stuart Horowitz affiliated with?

Dr. Horowitz practices at UMass Memorial Health - Milford Regional Medical Center in Milford, Massachusetts. Dr. Horowitz is also affiliated with Dana-Farber Cancer Institute. Dmand AI links Dr. Horowitz to 2 more hospitals.

What medical group is Dr. Neil Stuart Horowitz part of?

Dr. Horowitz is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Horowitz to 5 more medical groups.

Does Dr. Neil Stuart Horowitz accept Medicare?

Yes. CMS data shows Dr. Horowitz billed Medicare for 328 services in 2024, and Dr. Horowitz accepts Medicare assignment.

Does Dr. Neil Stuart Horowitz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Horowitz as offering telehealth services.

How many Medicare patients does Dr. Neil Stuart Horowitz see?

CMS counts 194 Medicare patients who saw Dr. Horowitz in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

What services does Dr. Neil Stuart Horowitz bill to Medicare?

In 2024, Dr. Horowitz's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99205) and hospital inpatient care (99232).

Where did Dr. Neil Stuart Horowitz go to medical school?

Dr. Horowitz graduated from Duke University School of Medicine in 1996.

What drugs does Dr. Neil Stuart Horowitz prescribe most?

In 2020 Medicare Part D data, Dr. Horowitz's most prescribed drugs by claims were Ondansetron HCl and Dexamethasone.

Has Dr. Neil Stuart Horowitz received payments from drug or device companies?

CMS Open Payments shows $3,467 in general payments to Dr. Horowitz from 2 companies from 2021 to 2022. The largest total came from Merck KGaA.

How long has Dr. Neil Stuart Horowitz been practicing?

Dr. Horowitz graduated from medical school in 1996, 30 years ago.

Selling to obstetrics and gynecology practices?

See OB-GYNs in Massachusetts by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)