Physician Profile
Alex J. Gershenhorn, MD
Unclaimed ProfileAbout Dr. Gershenhorn
Alex J. Gershenhorn, MD is a healthcare provider in Middletown, NY specializing in gastroenterology. Alex trained at Ohio State University College of Medicine, graduating in 2000. Medicare claims data shows Alex provided 1,722 services to 1,385 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample. This provider record is associated with NPI 1437257797.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (845) 703-6999
- Email not available
Practice Locations
95 CRYSTAL RUN RD
Middletown, NY 10941
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
1,722 services · 1,385 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
142 | More than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
137 | More than most peers in Gastroenterology |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
109 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
62 | As often as other peers in Gastroenterology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
45 | More often than most peers in Gastroenterology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
42 | Too few peers to compare |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
23 | As often as other peers in Gastroenterology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
17 | Less often than most peers in Gastroenterology |
| Injection, zoledronic acid, 1 mg | Drug given | J3489 |
85 | Too few peers to compare |
| Injection, diphenhydramine hcl, up to 50 mg | Drug given | J1200 |
28 | Too few peers to compare |
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 gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
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.
Other gastroenterologists in Middletown 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Ohio State University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Gershenhorn specialize in?
Dr. Gershenhorn is a gastroenterologist in Middletown, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Dr. Gershenhorn located?
Dr. Gershenhorn is listed at 95 Crystal Run Rd, Middletown, NY 10941. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Gershenhorn's phone number?
The number on file is (845) 703-6999. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Gershenhorn?
Dr. Gershenhorn's National Provider Identifier is 1437257797. 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. Gershenhorn go to medical school?
Dr. Gershenhorn attended Ohio State University College of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Gershenhorn have?
Dr. Gershenhorn has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Gershenhorn do most often?
According to Medicare billing data, Dr. Gershenhorn performs procedures including insertion of needle into vein for collection of blood sample, biopsy of large bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and injection of additional new drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Gershenhorn's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Gershenhorn. If this is you, claiming it is free.
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