Physician Profile
Unclaimed ProfileAbout HOROWITZ
Matthew O. Horowitz, M.D. practises internal medicine in Great Neck, NY. Matthew is a 1992 graduate of State University of New York at Stony Brook, School of Medicine. Matthew is also listed as specialising in gastroenterology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Horowitz specialise in?
Dr. Horowitz is an internal medicine in Great Neck, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Horowitz located?
Dr. Horowitz is listed at 560 NORTHERN BLVD SUITE 203, Great Neck, NY 11021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Horowitz's phone number?
The number on file is (516) 482-0600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Horowitz?
Dr. Horowitz's National Provider Identifier is 1225110901. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Horowitz go to medical school?
Dr. Horowitz attended State University of New York at Stony Brook, School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Horowitz have?
Dr. Horowitz has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Horowitz do most often?
According to Medicare billing data, Dr. Horowitz performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Horowitz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Horowitz. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (516) 482-0600
- Email not available
Practice Locations
560 NORTHERN BLVD SUITE 203
Great Neck, NY 11021
Procedures Most Often Billed to Medicare
1,267 services · 1,141 patients · 15 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
130 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
119 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
65 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
47 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
43 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
90 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
260 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
197 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
120 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other internal medicines in Great Neck 8
Same specialty, same city.
Trained at State University of New York at Stony Brook, School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at State University of New York at Stony Brook, School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
- Saratoga Schenectady Endoscopy Center, LLC
- Carnegie Hill Endoscopy LLC
- Yorkville Endoscopy, LLC
- Digestive Diseases Diagnostic & Treatment Center LLC
- Great South Bay Endoscopy Center, LLC
- Endoscopy Center of Long Island LLC
- St. Peter'S Ambulatory Surgery Center LLC
- Long Island Digestive Endoscopy Center, LLC
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.