ALYN LOUISE ADRAIN M.D.
NPI 1225027766
Internal Medicine - Gastroenterology in Providence, RI

Q: What is Alyn Adrain's NPI number?

The NPI number for Alyn Adrain is 1225027766. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Q: What is Alyn Adrain's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alyn Adrain was last updated on September 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since October 18, 2005PECOS EnrolledAccepts Medicare Assignment

77.59/100

CMS Quality Rating

44 W RIVER ST, PROVIDENCE, RI 02904(401) 274-4800(401) 454-0410 Get Directions Write a Review

NPPES record last updated: September 24, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

On this page

About Alyn Louise Adrain M.d. NPPES

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

ALYN LOUISE ADRAIN M.D. (NPI 1225027766) is an individual gastroenterology provider in Providence, Rhode Island, licensed in Rhode Island (10330) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with The Miriam Hospital, and is a graduate of Warren Alpert Medical School Of Brown University (1988).

NPPES Registry Identity

NPI1225027766

Entity TypeIndividualFemale

Primary Taxonomy207RG0100X

Provider Legal NameALYN LOUISE ADRAINCredential: M.D.

Location Address44 W RIVER STProvidence, RI 02904-2609

Mailing Address44 W River StProvidence, RI 02904-2609 · (401) 274-4800 · Fax (401) 454-0410

Phone(401) 274-4800

Fax(401) 454-0410

Sole ProprietorNo

Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1988

Enumeration DateOctober 18, 2005

Last NPPES UpdateSeptember 24, 2010

✔ NPI 1225027766 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 RI · 10330

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.

44 W RIVER ST, Providence, RI 02904

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Other Identifiers 7

Medicare UPINF18013RI

Other3834RI · Neighborhood Health Plan

Medicare ID-Type Unspecified007008249RI

Other406928RI · Blue Chip

Other303376RI · Harvard Pilgrim

Other342149RI · Tufts

Medicaid7008249RI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alyn Louise Adrain M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2860404092

PECOS Enrollment IDI20101110001365

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 Alyn Adrain reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Gastroenterology, LLC

2.6 mi

Gastroenterology

33 STANIFORD ST
Providence, RI 02905

Reassigned Medicare billing, Rhode Island enrollment
141 clinicians in this Medicare group

NPI 1386952612 (401) 421-8800

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 12

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

103 services52 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

99 services97 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.

76 services68 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

68 services66 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

53 services53 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

50 services50 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

36 services36 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

20 services20 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

17 services16 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.

15 services14 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

14 services13 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

The Miriam Hospital

Acute Care Hospitals · Providence, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410012

Location164 Summit AvenueProvidence, RI 02906 · Providence County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02904 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

$134.17 typical visit price

range $58.57 – $177.03

Typical copayment $33.54 (range $14.64 – $44.25)

Most-billed visit code 99204

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

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.

77.59/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

85.48

Improvement Activities

Cost

44.67

Reported Quality Measures

Age Appropriate Screening Colonoscopy

Lower rates are better for this measure.

0%533 patients

Appropriate follow-up interval based on pathology findings in screening colonoscopy

100%101 patients

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients

99%171 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 19

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

NEIL ROBERT GREENSPAN M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

SAMIR ASHOK SHAH M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

ISABELLA MARIA OLDENBURG PA

Physician Assistant

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

DANIEL PIASCIK

Physician Assistant (Medical)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

MS. JENNIFER RACHAEL FALLON FNP-BC

Nurse Practitioner (Family)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

ENDOSCOPY ASSOCIATES, LLC

Clinic/Center (Endoscopy)

44 W RIVER ST, FIRST FLOOR
PROVIDENCE, RI 02904

Providence County (401) 274-4800

TIAN GAO M.D.

Internal Medicine (Gastroenterology)

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

RACHEL FURMAN M.D.

Anesthesiology

44 W RIVER ST
PROVIDENCE, RI 02904

Providence County (401) 274-4800

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 Alyn Adrain's NPI number?

The NPI number for Alyn Adrain is 1225027766. It was assigned to this individual provider in the NPPES registry on October 18, 2005.

Where is Alyn Adrain located?

Alyn Adrain practices at 44 W River St, Providence, RI 02904. The listed phone number is (401) 274-4800.

What is Alyn Adrain's specialty?

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

Is Alyn Adrain enrolled in Medicare?

Yes. Alyn Adrain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Alyn Adrain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alyn Adrain reassigns Medicare benefits to University Gastroenterology, LLC (Providence, RI). 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 Alyn Adrain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Alyn Adrain affiliated with any hospitals?

According to CMS data, Alyn Adrain is affiliated with The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Alyn Adrain was last updated on September 24, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.