Physician Profile
Unclaimed ProfileAbout ELLS
Peter Ells, M.D. is a healthcare provider in East Setauket, NY specialising in gastroenterology. Peter trained at Tufts University School of Medicine, graduating in 1974.
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 is Dr. Ells's specialty?
Dr. Ells is a gastroenterology in East Setauket, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Ells?
Dr. Ells is listed at 3 TECHNOLOGY DR, East Setauket, NY 11733. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ells?
The number on file is (631) 444-5220. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Ells?
Dr. Ells's National Provider Identifier is 1336174143. 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
What is Dr. Ells's medical education?
Dr. Ells attended Tufts University School of Medicine, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Ells have?
Dr. Ells has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ells known for?
According to Medicare billing data, Dr. Ells performs procedures including diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and insertion of needle into vein for collection of blood sample; provides treatments such as measurement of liver stiffness, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Ells's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ells. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (631) 444-5220
- Email not available
Practice Locations
3 TECHNOLOGY DR
East Setauket, NY 11733
Procedures Most Often Billed to Medicare
265 services · 254 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
20 |
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
18 |
| Measurement of liver stiffness | Treatment | 91200 |
45 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
61 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
42 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
24 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
12 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
11 |
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 8
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 gastroenterology specialists in East Setauket 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Tufts University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1974 at Tufts University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.