MARK DORAN ANDERSON, M.D. — NPI 1679640866 (Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) in RIDGEFIELD, CT)

CMS-1500 Box 24J / 33a • NPI

1679640866

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

96 DANBURY RD, RIDGEFIELD, CT, 06877-4069

✓ 9-Digit EDI 837 ZIP+4 (06877-4069)

Practice Phone & Referral Fax

(203) 438-0874

Fax: (203) 438-5986

⚠️ HHS OIG LEIE FEDERAL EXCLUSION ALERT: NPI 1679640866 matches an active entry in the HHS Office of Inspector General List of Excluded Individuals/Entities (Sec. 1128(b)(4) — License Revocation, Suspension, or Surrender — Effective 2020-11-19). Verify before submitting Medicare/Medicaid claims.

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	`1679640866` (NPI-1 Individual Practitioner)
Provider / Legal Name	MARK DORAN ANDERSON, M.D.
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	96 DANBURY RD, RIDGEFIELD, CT, 06877-4069
Practice Telephone / Fax	Tel: (203) 438-0874 \| Fax: (203) 438-5986
Administrative Mailing Address	96 DANBURY RD, RIDGEFIELD, CT, 06877-4069
Enumeration & Last Sync	Enumerated: 2006-11-30 \| CMS Record Updated: 2011-11-18

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

96 DANBURY RD, RIDGEFIELD, CT, 06877-4069

🗺️ Open in Google Maps 🏥 More Providers in RIDGEFIELD

🔒 Are you MARK DORAN ANDERSON, M.D.? 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 (MARK DORAN ANDERSON, M.D.)

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: CT \| License: `CT027066` \| 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

MARK DORAN ANDERSON, M.D. (NPI #1679640866)