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DR. PETER ELLS M.D.
NPI 1336174143
Internal Medicine - Gastroenterology in East Setauket, NY

Active since July 11, 2006PECOS Enrolled
76.7/100
CMS Quality Rating
3 TECHNOLOGY DR, EAST SETAUKET, NY 11733(631) 444-5220 Get Directions Write a Review

NPPES record last updated: January 4, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Peter Ells M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER ELLS M.D. (NPI 1336174143) is an individual gastroenterology provider in East Setauket, New York, licensed in New York (147471) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Albany Medical Center Hospital, and is a graduate of Tufts University School Of Medicine (1974).

NPPES Registry Identity

NPI1336174143
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. PETER ELLSCredential: M.D.
Location Address3 TECHNOLOGY DREast Setauket, NY 11733
Mailing AddressP.o. Box 1559Stony Brook, NY 11790 · (631) 444-5220
Phone(631) 444-5220
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1974
Enumeration DateJuly 11, 2006
Last NPPES UpdateJanuary 4, 2013
✔ NPI 1336174143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in NY · 147471
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
3 TECHNOLOGY DR, East Setauket, NY 11733
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Other Identifiers 5

Other4309111NY · Aetna
Other56A963NY · Empire Bc.bs
Medicaid00640831NY
Medicare UPINC11361NY
Medicare ID-Type Unspecified56A961NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter Ells M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4981779188
PECOS Enrollment IDI20080822000578
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Peter Ells reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Albany Medical College
126 mi
Allergy & Immunology
47 NEW SCOTLAND AVE
Albany, NY 12208
  • Reassigned Medicare billing, New York enrollment
  • 1,640 clinicians in this Medicare group
NPI 1497921688 (518) 262-9600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
61 services60 patients
Measurement of liver stiffness 91200
Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.
45 services44 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
42 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
32 services30 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services23 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
20 services20 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Albany Medical Center Hospital

Acute Care Hospitals · Albany, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330013
Location43 New Scotland Avenue, Mail Code 34Albany, NY 12208 · Albany County
Emergency services Birthing friendly

Columbia Memorial Hospital

Acute Care Hospitals · Hudson, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330094
Location71 Prospect AvenueHudson, NY 12534 · Columbia County
Emergency services

Saratoga Hospital

Acute Care Hospitals · Saratoga Springs, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330222
Location211 Church StreetSaratoga Springs, NY 12866 · Saratoga County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11733 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.7/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality77.96
Promoting Interoperability74
Improvement Activities40
Cost61.04

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ELLEN LI MD
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
MS. CAROL ANN MARTIN NP
Nurse Practitioner (Adult Health)
3 TECHNOLOGY DR, SUITE 700
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
DR. EDWARD SUN MD
Internal Medicine
3 TECHNOLOGY DR, STONY BROOK INTERNISTS, UFPC
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
JOSEFINA VERGEL FNP-C
Nurse Practitioner (Family)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
ASIM S KHOKHAR M.D.
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
ALEXANDRA GUILLAUME MD
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
DR. BASIL RIGAS M.D.
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220
FARAH MONZUR MD
Internal Medicine (Gastroenterology)
3 TECHNOLOGY DR
EAST SETAUKET, NY 11733
Suffolk County (631) 444-5220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Peter Ells's NPI number?

The NPI number for Peter Ells is 1336174143. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Peter Ells located?

Peter Ells practices at 3 Technology Dr, East Setauket, NY 11733. The listed phone number is (631) 444-5220.

What is Peter Ells's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Peter Ells enrolled in Medicare?

Yes. Peter Ells is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Peter Ells's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Ells reassigns Medicare benefits to Albany Medical College (Albany, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Ells's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Peter Ells affiliated with any hospitals?

According to CMS data, Peter Ells is affiliated with Albany Medical Center Hospital, Columbia Memorial Hospital and Saratoga Hospital.

When was this NPI record last updated?

The NPPES record for Peter Ells was last updated on January 4, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.