MARGARET BARAN — NPI 1285623843 (Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) in DARIEN, CT)

CMS-1500 Box 24J / 33a • NPI

1285623843

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207R00000X (CMS 11)

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

Box 32 Service Location & ZIP+4

1500 POST RD STE 100, DARIEN, CT, 06820-5936

✓ 9-Digit EDI 837 ZIP+4 (06820-5936)

Practice Phone & Referral Fax

(203) 655-8749

Fax: (203) 655-0701

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1285623843 (MARGARET BARAN) 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	`1285623843` (NPI-1 Individual Practitioner)
Provider / Legal Name	MARGARET BARAN
Plain-English Specialty	Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: `207R00000X` (Internal Medicine)
Certifying / Licensing Body	American Board of Internal Medicine (ABIM)
Practice Location Address	1500 POST RD STE 100, DARIEN, CT, 06820-5936
Practice Telephone / Fax	Tel: (203) 655-8749 \| Fax: (203) 655-0701
Administrative Mailing Address	1500 POST RD STE 100, DARIEN, CT, 06820-5936
Enumeration & Last Sync	Enumerated: 2005-10-17 \| CMS Record Updated: 2021-10-12

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

1500 POST RD STE 100, DARIEN, CT, 06820-5936

🗺️ Open in Google Maps 🏥 More Providers in DARIEN

🔒 Are you MARGARET BARAN? Get your Verified NPI Clinic Badge or request personal phone/address redaction →

Plain-English Taxonomy & CMS Crosswalk (207R00000X)

What Does Taxonomy Code 207R00000X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207R00000X 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 (MARGARET BARAN)

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: NY \| License: `2114601` \| Primary: Secondary
`207R00000X` — Internal Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: CT \| License: `69231` \| Primary: Yes (Primary)

Medical Billing, RCM & Hospital Credentialing Teams:

Batch-verify up to 25 NPIs free against CMS NPPES + Medicare PECOS + HHS OIG Exclusions with 1-click CSV export.

Launch Bulk NPI Checker → JSON API Docs

MARGARET BARAN (NPI #1285623843)