RYAN S. ARNOLD, MD — NPI 1255533154 (Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) in ANNAPOLIS, MD)

CMS-1500 Box 24J / 33a • NPI

1255533154

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207RI0200X (CMS 11)

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

Box 32 Service Location & ZIP+4

49 OLD SOLOMONS ISLAND RD, SUITE 104, ANNAPOLIS, MD, 21401-3861

✓ 9-Digit EDI 837 ZIP+4 (21401-3861)

Practice Phone & Referral Fax

(410) 573-9511

Fax: (410) 573-4816

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1255533154 (RYAN S. ARNOLD, 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	`1255533154` (NPI-1 Individual Practitioner)
Provider / Legal Name	RYAN S. ARNOLD, MD
Plain-English Specialty	Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: `207RI0200X` (Internal Medicine, Infectious Disease)
Certifying / Licensing Body	American Board of Internal Medicine (ABIM)
Practice Location Address	49 OLD SOLOMONS ISLAND RD, SUITE 104, ANNAPOLIS, MD, 21401-3861
Practice Telephone / Fax	Tel: (410) 573-9511 \| Fax: (410) 573-4816
Administrative Mailing Address	PO BOX 1927, EDGEWATER, MD, 21037-7927
Enumeration & Last Sync	Enumerated: 2007-06-03 \| CMS Record Updated: 2012-06-12

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

49 OLD SOLOMONS ISLAND RD, SUITE 104, ANNAPOLIS, MD, 21401-3861

🗺️ Open in Google Maps 🏥 More Providers in ANNAPOLIS

🔒 Are you RYAN S. ARNOLD, MD? Get your Verified NPI Clinic Badge or request personal phone/address redaction →

Plain-English Taxonomy & CMS Crosswalk (207RI0200X)

What Does Taxonomy Code 207RI0200X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RI0200X translates to:
"Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 11 (Physician/Internal Medicine) • CMS Code 44 (Physician/Infectious Disease)
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 (RYAN S. ARNOLD, 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
`390200000X` — Student in an Organized Health Care Education/Training Program Plain English: Licensed & Credentialed Student in an Organized Health Care Education/Training Program	State: N/A \| License: `Verified` \| Primary: Secondary
`207RI0200X` — Internal Medicine, Infectious Disease Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: MD \| License: `D73712` \| 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

RYAN S. ARNOLD, MD (NPI #1255533154)