DIALA ALATASSI, MD — NPI 1215467147 (Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) in ELMHURST, IL)

CMS-1500 Box 24J / 33a • NPI

1215467147

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207RB0002X (CMS 11)

Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)

Box 32 Service Location & ZIP+4

172 E SCHILLER ST, ELMHURST, IL, 60126-2816

✓ 9-Digit EDI 837 ZIP+4 (60126-2816)

Practice Phone & Referral Fax

(331) 221-9001

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1215467147 (DIALA ALATASSI, MD) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1215467147` (NPI-1 Individual Practitioner)
Provider / Legal Name	DIALA ALATASSI, MD
Plain-English Specialty	Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: `207RB0002X` (Internal Medicine, Bariatric Medicine)
Certifying / Licensing Body	American Board of Internal Medicine (ABIM)
Practice Location Address	172 E SCHILLER ST, ELMHURST, IL, 60126-2816
Practice Telephone / Fax	Tel: (331) 221-9001
Administrative Mailing Address	4201 WINFIELD RD FL 3, WARRENVILLE, IL, 60555-4025
Enumeration & Last Sync	Enumerated: 2017-06-13 \| CMS Record Updated: 2024-08-23

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

172 E SCHILLER ST, ELMHURST, IL, 60126-2816

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Plain-English Taxonomy & CMS Crosswalk (207RB0002X)

What Does Taxonomy Code 207RB0002X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RB0002X translates to:
"Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 11 (Physician/Internal Medicine)
Certifying / Accrediting Authority: American Board of Internal Medicine (ABIM)
Clinical Scope: Managing multiple adult chronic conditions (diabetes, high blood pressure, high cholesterol, thyroid disorders) or investigating unexplained adult symptoms.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (DIALA ALATASSI, MD)

Typical CPT / Diagnostic Procedures:

Complex Multi-System Adult Diagnostic Workup (CPT 99204–99215)
Preoperative Medical Risk Assessment & Cardiac Clearance
Chronic Kidney, Hepatic & Metabolic Panel Interpretation
Adult Inpatient Hospitalist Management & Discharge Coordination

Common Therapeutic Classes:

Antihypertensives (ACE Inhibitors, ARBs, Calcium Channel Blockers, Thiazides)
Oral Antidiabetic Agents, Basal/Bolus Insulins & Lipid-Lowering Statins
Direct Oral Anticoagulants (Apixaban, Rivaroxaban) & Antiplatelets
Levothyroxine (Hypothyroidism) & Proton Pump Inhibitors (Pantoprazole)

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`207R00000X` — Internal Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: IL \| License: `036153540` \| Primary: Secondary
`207RB0002X` — Internal Medicine, Bariatric Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: IL \| License: `036153540` \| Primary: Yes (Primary)

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DIALA ALATASSI, MD (NPI #1215467147)