Physician Profile
Unclaimed ProfileAbout THOMAS
Based in New Hyde Park, NY, Ashby Thomas, M.D. is listed in the NPI registry under gastroenterology. Ashby graduated from Js Weill Medical College, Cornell University in 2010. According to Medicare claims data, Ashby cared for 592 Medicare patients across 648 services.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (516) 775-7770
- Email not available
Practice Locations
2001 MARCUS AVE
New Hyde Park, NY 11042
Procedures Most Often Billed to Medicare
648 services · 592 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
51 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
30 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
19 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
18 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
15 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
183 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
69 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
47 |
| Stool analysis for blood, by fecal hemoglobin determination by immunoassay | Lab test | 82274 |
47 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
38 |
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 gastroenterology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 30 related providers in 4 groups
Other gastroenterology specialists in New Hyde Park 7
Same specialty, same city.
Trained at Js Weill Medical College, Cornell University 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at Js Weill Medical College, Cornell University 7
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
Common questions
What does Dr. Thomas specialize in?
Dr. Thomas is a gastroenterology in New Hyde Park, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where is Dr. Thomas located?
Dr. Thomas is listed at 2001 MARCUS AVE, New Hyde Park, NY 11042. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Thomas's phone number?
The number on file is (516) 775-7770. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Thomas's NPI number?
Dr. Thomas's National Provider Identifier is 1366767154. 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. Thomas go to medical school?
Dr. Thomas attended Js Weill Medical College, Cornell University, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Thomas been practicing?
Dr. Thomas has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Thomas do most often?
According to Medicare billing data, Dr. Thomas 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 diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Thomas confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Thomas. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.