ADEL MUHANNA MUHANNA MD - NPI 1154986461 - Internal Medicine in Willimantic, CT

Q: What is Adel Muhanna's NPI number?

The NPI number for Adel Muhanna is 1154986461. It was assigned to this individual provider in the NPPES registry on May 2, 2019.

Q: What is Adel Muhanna'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 Adel Muhanna was last updated on January 21, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

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About Adel Muhanna Muhanna Md NPPES

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

ADEL MUHANNA MUHANNA MD (NPI 1154986461) is an individual gastroenterology provider in Willimantic, Connecticut, licensed in Connecticut (82054) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1154986461

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameADEL MUHANNA MUHANNACredential: MD

Location Address150 MANSFIELD AVEWillimantic, CT 06226-2026

Mailing Address150 Mansfield AveWillimantic, CT 06226-2026 · (860) 423-3299 · Fax (860) 423-8739

Phone(860) 423-3299

Fax(860) 423-8739

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateMay 2, 2019

Last NPPES UpdateJanuary 21, 20265 updates tracked since enumeration

NPPES CertifiedJanuary 21, 2026

✔ NPI 1154986461 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 CT · 82054

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.

150 MANSFIELD AVE, Willimantic, CT 06226

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adel Muhanna Muhanna Md 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 ID648507848

PECOS Enrollment IDI20251007001429

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06226 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

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.

Other Providers at the Same Location NPPES 11

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

WINDHAM GI, LLC

Internal Medicine (Gastroenterology)