DR. ANNA MARIA ARROYO SANTIAGO MD
NPI 1861602906
Internal Medicine - Addiction Medicine in Johnson City, TN
About Dr. Anna Maria Arroyo Santiago Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANNA MARIA ARROYO SANTIAGO MD (NPI 1861602906) is an individual addiction medicine provider in Johnson City, Tennessee, licensed in Tennessee (65826) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, maintains 9 additional practice locations, and is a graduate of Northeastern Ohio University College Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 9
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Anna Maria Arroyo Santiago Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Anna Arroyo Santiago reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brentwood, TN 37027
- Reassigned Medicare billing, North Carolina, Tennessee and Virginia enrollments
- 5 clinicians in this Medicare group
Milan, MI 48160
- Reassigned Medicare billing, Michigan enrollment
- 1,480 clinicians in this Medicare group
Chelsea, MI 48118
- Reassigned Medicare billing, Michigan enrollment
- 147 clinicians in this Medicare group
Airway Heights, WA 99001
- Reassigned Medicare billing, Texas enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37615 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAY, TN 37615
JOHNSON CITY, TN 37615
JOHNSON CITY, TN 37615
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Anna Arroyo Santiago's NPI number?
The NPI number for Anna Arroyo Santiago is 1861602906. It was assigned to this individual provider in the NPPES registry on May 23, 2007.
Where is Anna Arroyo Santiago located?
Anna Arroyo Santiago practices at 203 Gray Commons Cir Ste 110, Johnson City, TN 37615. The listed phone number is (833) 371-0509.
What is Anna Arroyo Santiago's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Addiction Medicine, with taxonomy code 207RA0401X.
Is Anna Arroyo Santiago enrolled in Medicare?
Yes. Anna Arroyo Santiago is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Anna Arroyo Santiago's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anna Arroyo Santiago reassigns Medicare benefits to 4 organizations: National Addiction Specialists LLC (Brentwood, TN), Iha Health Services Corporation (Milan, MI), Chelsea Community Hospital (Chelsea, MI) and Kalispel Tribe Of Indians (Airway Heights, WA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anna Arroyo Santiago's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anna Arroyo Santiago accept?
Health plans from BlueCross BlueShield of Tennessee and Priority Health list Anna Arroyo Santiago as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Anna Arroyo Santiago was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Anna Maria Arroyo Santiago, MD · NPI 1861602906
Addiction Medicine physician in Johnson City, Tennessee. Individual provider, active in the CMS NPPES registry since May 23, 2007.
## Identity
- **NPI:** 1861602906 (Entity type: Individual)
- **Enumerated:** May 23, 2007
- **Primary specialty:** Internal Medicine - Addiction Medicine · taxonomy 207RA0401X
- **State license:** 65826 (Tennessee)
- **Sole proprietor:** No
## Practice location
- **Address:** 203 GRAY COMMONS CIR STE 110, Johnson City, TN 37615-5406
- **Phone:** (833) 371-0509
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): National Addiction Specialists LLC (NPI 1477186336, Brentwood, TN); Iha Health Services Corporation (NPI 1467509067, Milan, MI); Chelsea Community Hospital (NPI 1033778733, Chelsea, MI); Kalispel Tribe Of Indians (NPI 1154197614, Airway Heights, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northeastern Ohio University College Of Medicine, class of 2003
## Record status
- **NPPES last updated:** August 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1861602906) · Data from the CMS NPPES public registry.