DR. SUBTAIN ZIA DO
NPI 1508362286
Internal Medicine - Infectious Disease in Fall River, MA
About Dr. Subtain Zia Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUBTAIN ZIA DO (NPI 1508362286) is an individual infectious disease provider in Fall River, Massachusetts, licensed in Massachusetts (291142) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Southcoast Hospitals Group, and maintains a secondary practice location in New Britain.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Subtain Zia Do 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 Subtain Zia reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Meriden, CT 06451
- Reassigned Medicare billing, Connecticut enrollment
- 505 clinicians in this Medicare group
Baton Rouge, LA 70816
- Reassigned Medicare billing, Connecticut and Rhode Island enrollments
- 127 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Southcoast Hospitals Group
Acute Care Hospitals · Fall River, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02720 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FALL RIVER, MA 02720
FALL RIVER, MA 02720
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 Subtain Zia's NPI number?
The NPI number for Subtain Zia is 1508362286. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Subtain Zia located?
Subtain Zia practices at 235 Hanover St, Fall River, MA 02720. The listed phone number is (508) 973-1730.
What is Subtain Zia's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Subtain Zia enrolled in Medicare?
Yes. Subtain Zia 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 Subtain Zia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Subtain Zia reassigns Medicare benefits to 4 organizations: Southcoast Physicians Group, Inc. (Fairhaven, MA), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Midstate Medical Center (Meriden, CT) and Hospital Medicine Associates LLC (Baton Rouge, LA). 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 Subtain Zia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Subtain Zia accept?
Health plans from Anthem Blue Cross and Blue Shield list Subtain Zia 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.
Is Subtain Zia affiliated with any hospitals?
According to CMS data, Subtain Zia is affiliated with Southcoast Hospitals Group.
When was this NPI record last updated?
The NPPES record for Subtain Zia was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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. Subtain Zia, DO · NPI 1508362286
Infectious Disease physician in Fall River, Massachusetts. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1508362286 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 291142 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 235 HANOVER ST, Fall River, MA 02720-5246
- **Phone:** (508) 973-1730 · **Fax:** (508) 973-0379
## 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): Southcoast Physicians Group, Inc. (NPI 1336137629, Fairhaven, MA); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1063461481, New Britain, CT); Midstate Medical Center (NPI 1154425288, Meriden, CT); Hospital Medicine Associates LLC (NPI 1093758781, Baton Rouge, LA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Philadelphia College Of Osteopathic Medicine, class of 2018
## Record status
- **NPPES last updated:** June 6, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1508362286) · Data from the CMS NPPES public registry.