DR. MALUA TAMBI IYA M.D.
NPI 1326375270
Obstetrics & Gynecology in Sidney, MT
About Dr. Malua Tambi Iya M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MALUA TAMBI IYA M.D. (NPI 1326375270) is an individual obstetrics & gynecology provider in Sidney, Montana, licensed in Montana (50237) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with Sidney Health Center, and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Malua Tambi Iya M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Malua Tambi Iya reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sidney, MT 59270
- Reassigned Medicare billing, Montana enrollment
- Also billed through NPI 1285719161 (Montana)
- 149 clinicians in this Medicare group
Williston, ND 58801
- Reassigned Medicare billing, North Dakota enrollment
- 6 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Sidney Health Center
Critical Access Hospitals · Sidney, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59270 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.
SIDNEY, MT 59270
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 Malua Tambi Iya's NPI number?
The NPI number for Malua Tambi Iya is 1326375270. It was assigned to this individual provider in the NPPES registry on November 13, 2009.
Where is Malua Tambi Iya located?
Malua Tambi Iya practices at 214 14th Ave SW, Sidney, MT 59270. The listed phone number is (406) 488-2100.
What is Malua Tambi Iya's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Malua Tambi Iya enrolled in Medicare?
Yes. Malua Tambi Iya is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Malua Tambi Iya's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Malua Tambi Iya reassigns Medicare benefits to 2 organizations: Sidney Health Center (Sidney, MT) and Obhg North Dakota PC (Williston, ND). 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 Malua Tambi Iya's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Malua Tambi Iya accept?
Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan and 1 other insurer list Malua Tambi Iya 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 Malua Tambi Iya affiliated with any hospitals?
According to CMS data, Malua Tambi Iya is affiliated with Sidney Health Center.
When was this NPI record last updated?
The NPPES record for Malua Tambi Iya was last updated on November 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Malua Tambi Iya, M.D. · NPI 1326375270
Obstetrics & Gynecology physician in Sidney, Montana. Individual provider, active in the CMS NPPES registry since November 13, 2009.
## Identity
- **NPI:** 1326375270 (Entity type: Individual)
- **Enumerated:** November 13, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 50237 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 214 14TH AVE SW, Sidney, MT 59270-3521
- **Phone:** (406) 488-2100
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sidney Health Center (NPI 1376617191, Sidney, MT); Obhg North Dakota PC (NPI 1750248571, Williston, ND) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** November 13, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1326375270) · Data from the CMS NPPES public registry.