DR. DONA CHIMENE DAHL M.D.
NPI 1649205451
Obstetrics & Gynecology - Obstetrics in Billings, MT
About Dr. Dona Chimene Dahl M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONA CHIMENE DAHL M.D. (NPI 1649205451) is an individual obstetrics provider in Billings, Montana, licensed in Montana (8220) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and is a graduate of University Of North Dakota School Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Dona Chimene Dahl M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Dona Dahl reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Billings, MT 59102
- Reassigned Medicare billing, Montana enrollment
- Medicare enrollment name: Billings Ob-Gyn Associates PC
- 12 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
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.
St Vincent Healthcare
Acute Care Hospitals · Billings, MTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59102 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BILLINGS, MT 59102
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 Dona Dahl's NPI number?
The NPI number for Dona Dahl is 1649205451. It was assigned to this individual provider in the NPPES registry on July 11, 2006.
Where is Dona Dahl located?
Dona Dahl practices at 1611 Zimmerman Trl, Billings, MT 59102. The listed phone number is (406) 248-3607.
What is Dona Dahl's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.
Is Dona Dahl enrolled in Medicare?
Yes. Dona Dahl is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Dona Dahl's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dona Dahl reassigns Medicare benefits to Billings Ob-Gyn Associates, P.C. (Billings, MT). The 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 Dona Dahl's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dona Dahl accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Dona Dahl 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 Dona Dahl affiliated with any hospitals?
According to CMS data, Dona Dahl is affiliated with St Vincent Healthcare.
When was this NPI record last updated?
The NPPES record for Dona Dahl was last updated on January 22, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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. Dona Chimene Dahl, M.D. · NPI 1649205451
Obstetrics physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since July 11, 2006.
## Identity
- **NPI:** 1649205451 (Entity type: Individual)
- **Enumerated:** July 11, 2006
- **Primary specialty:** Obstetrics & Gynecology - Obstetrics · taxonomy 207VX0000X
- **State license:** 8220 (Montana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1611 ZIMMERMAN TRL, Billings, MT 59102-7652
- **Phone:** (406) 248-3607 · **Fax:** (406) 248-8919
## 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:** Billings Ob-Gyn Associates, P.C. (NPI 1497785588, Billings, MT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of North Dakota School Of Medicine, class of 1995
## Record status
- **NPPES last updated:** January 22, 2015
- **Other identifiers:** Other P00022241 (MT); Medicare UPIN H83222 (MT); Medicaid 118440700 (WY); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1649205451) · Data from the CMS NPPES public registry.