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- 233 E Shore Rd, Ste 101, Great Neck, NY 11023
About Dr. Sloyer
Alan Sloyer, MD practices gastroenterology in Great Neck, NY. Alan is a 1982 graduate of State University of New York Downstate Medical Center. According to Medicare claims data, Alan cared for 1,192 Medicare patients across 1,931 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more. The provider's National Provider Identifier (NPI) is 1073535050.
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
- (516) 487-2444
- Email not available
Practice Locations
233 E SHORE RD STE 101
Great Neck, NY 11023
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
1,931 services · 1,192 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
119 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
83 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
72 | More often than most peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
51 | More than most peers in Gastroenterology |
| Ultrasound scan of organ tissue for measuring elasticity | Imaging | 76981 |
50 | More often than most peers in Gastroenterology |
| Imaging of digestive tract done from the inside of the digestive tract | Treatment | 91110 |
11 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
932 | More than most peers in Gastroenterology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
260 | More than most peers in Gastroenterology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
156 | More than most peers in Gastroenterology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
132 | More than most peers in Gastroenterology |
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 6
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 Great Neck 7
Same specialty, same city.
More connections — 22 related providers in 3 groups
Trained at State University of New York Downstate Medical Center 7
Other providers in the same specialty who trained at the same institution.
Class of 1982 at State University of New York Downstate Medical Center 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Sloyer?
Dr. Sloyer is a gastroenterologist in Great Neck, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Dr. Sloyer's address?
Dr. Sloyer is listed at 233 E Shore Rd Ste 101, Great Neck, NY 11023. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sloyer?
The number on file is (516) 487-2444. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Sloyer's NPI number?
Dr. Sloyer's National Provider Identifier is 1073535050. 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. Sloyer train?
Dr. Sloyer attended State University of New York Downstate Medical Center, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sloyer been practicing?
Dr. Sloyer has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sloyer perform?
According to Medicare billing data, Dr. Sloyer performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of large bowel using a flexible endoscope; reads or performs imaging such as ultrasound scan of organ tissue for measuring elasticity; provides treatments such as imaging of digestive tract done from the inside of the digestive tract, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sloyer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sloyer. If this is you, claiming it is free.
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