Doctor profile · Federal record
Dr. Alex Gershenhorn, MD
Gastroenterology Physician (CMS: Gastroenterology) · Middletown, NY
- NPI 1437257797
- Accepts Medicare
- MIPS 90.1 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
95 Crystal Run RD
Middletown, NY 109417001
(845) 703-6999
fax (845) 703-6297 - Mailing address
-
155 Crystal Run RD
Middletown, NY 109414028
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- August 17, 2020
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- New York #227291
- Medicaid
- NY #03065047
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437257797. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,863
Distinct HCPCS
10
Medicare allowed
$175,647
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 277 | 218 | $138 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 252 | 204 | $98 | |
36415 |
Insertion of needle into vein for collection of blood sample | 132 | 91 | $8 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 122 | 120 | $150 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 115 | 74 | $85 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 83 | 82 | $116 | |
U0003 |
Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, making use of high throughput technologies as described by cms-2020-01-r | 77 | 71 | $74 | |
U0005 |
Infectious agent detection by nucleic acid (dna or rna); severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (coronavirus disease [covid-19]), amplified probe technique, cdc or non-cdc, making use of high throughput technologies, completed within | 77 | 71 | $25 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 67 | 67 | $181 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 65 | 65 | $123 |
In context: peer comparison
Among 7 peers in Middletown Gastroenterology Physician, average services per provider: 68. This provider delivers 27× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
949
Patients
248
Total drug cost
$207,042
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 319 | 109 | $4,109 |
| Pantoprazole Sodium | Generic | 205 | 58 | $2,696 |
| Famotidine | Generic | 162 | 56 | $2,408 |
| Linzess (Linaclotide) | Brand | 51 | 12 | $47,043 |
| Creon (Lipase/Protease/Amylase) | Brand | 43 | 13 | $103,066 |
| Mesalamine | Generic | 32 | 0 | $24,693 |
| Esomeprazole Magnesium | Generic | 24 | 0 | $2,978 |
| Mesalamine ER (Mesalamine) | Brand | 19 | 0 | $7,987 |
| Dicyclomine Hcl | Generic | 17 | 0 | $351 |
| Ondansetron Odt (Ondansetron) | Brand | 16 | 0 | $238 |
Hospital affiliations
Frequently asked questions
What is Dr. Alex Gershenhorn's medical specialty?
Dr. Alex Gershenhorn practices Gastroenterology Physician in Middletown, NY.
Where does Dr. Alex Gershenhorn practice?
Dr. Alex Gershenhorn practices at 95 Crystal Run RD, Middletown, NY 109417001. Office phone: 8457036999.
What is Dr. Alex Gershenhorn's NPI?
Dr. Alex Gershenhorn's National Provider Identifier (NPI) is 1437257797, issued by NPPES.
Does Dr. Alex Gershenhorn accept Medicare assignment?
Yes. Dr. Alex Gershenhorn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Gershenhorn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.