ANNA MARIA ARROYO SANTIAGO, MD — NPI 1861602906 (Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) in JOHNSON CITY, TN)

CMS-1500 Box 24J / 33a • NPI

1861602906

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207RA0401X (CMS 11)

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

Box 32 Service Location & ZIP+4

203 GRAY COMMONS CIR STE 110, JOHNSON CITY, TN, 37615-5406

✓ 9-Digit EDI 837 ZIP+4 (37615-5406)

Practice Phone & Referral Fax

(833) 371-0509

Direct NPPES Verification Line

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1861602906 (ANNA MARIA ARROYO SANTIAGO, 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	`1861602906` (NPI-1 Individual Practitioner)
Provider / Legal Name	ANNA MARIA ARROYO SANTIAGO, MD
Plain-English Specialty	Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician) NUCC Code: `207RA0401X` (Internal Medicine, Addiction Medicine)
Certifying / Licensing Body	American Board of Internal Medicine (ABIM)
Practice Location Address	203 GRAY COMMONS CIR STE 110, JOHNSON CITY, TN, 37615-5406
Practice Telephone / Fax	Tel: (833) 371-0509
Administrative Mailing Address	1021 W OAKLAND AVE STE 310, JOHNSON CITY, TN, 37604-2192
Enumeration & Last Sync	Enumerated: 2007-05-23 \| CMS Record Updated: 2026-08-27

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

203 GRAY COMMONS CIR STE 110, JOHNSON CITY, TN, 37615-5406

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Plain-English Taxonomy & CMS Crosswalk (207RA0401X)

What Does Taxonomy Code 207RA0401X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207RA0401X translates to:
"Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 11 (Physician/Internal Medicine) • CMS Code 79 (Physician/Addiction 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 (ANNA MARIA ARROYO SANTIAGO, 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
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: MI \| License: `4301109286` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: NC \| License: `2026-02937` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: WA \| License: `MD61621794` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: IN \| License: `01062231A` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: TX \| License: `W6429` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: VA \| License: `0101283893` \| Primary: Secondary
`207RA0401X` — Internal Medicine, Addiction Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: TN \| License: `65826` \| Primary: Yes (Primary)

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ANNA MARIA ARROYO SANTIAGO, MD (NPI #1861602906)