DAVID JAMES KARERA
NPI 1962899021
Internal Medicine in Billings, MT
About David James Karera NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID JAMES KARERA (NPI 1962899021) is an individual internal medicine provider in Billings, Montana, licensed in Montana (MED-RES-LIC-42279) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Unitypoint Health - Meriter, and is a graduate of University Of Washington School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
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
David James Karera 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
2Medicare enrollment records show David Karera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Madison, WI 53715
- Reassigned Medicare billing, Wisconsin enrollment
- 51 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 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 5
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Unitypoint Health - Meriter
Acute Care Hospitals · Madison, WIUniversity Of Wi Hospitals & Clinics Authority
Acute Care Hospitals · Madison, WIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 59101 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.
BILLINGS, MT 59101
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 David Karera's NPI number?
The NPI number for David Karera is 1962899021. It was assigned to this individual provider in the NPPES registry on April 16, 2015.
Where is David Karera located?
David Karera practices at 801 N 29th St Internal Medicine Department, Billings, MT 59101. The listed phone number is (406) 238-2850.
What is David Karera's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Karera enrolled in Medicare?
Yes. David Karera 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 David Karera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Karera reassigns Medicare benefits to 2 organizations: Madison Anesthesiology Consultants, LLP (Madison, WI) and Johns Hopkins University (Bethesda, MD). 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 David Karera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Karera affiliated with any hospitals?
According to CMS data, David Karera is affiliated with Unitypoint Health - Meriter and University Of Wi Hospitals & Clinics Authority.
When was this NPI record last updated?
The NPPES record for David Karera was last updated on November 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# David James Karera · NPI 1962899021
Internal Medicine physician in Billings, Montana. Individual provider, active in the CMS NPPES registry since April 16, 2015.
## Identity
- **NPI:** 1962899021 (Entity type: Individual)
- **Enumerated:** April 16, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MED-RES-LIC-42279 (Montana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 801 N 29TH ST, INTERNAL MEDICINE DEPARTMENT, Billings, MT 59101-0905
- **Phone:** (406) 238-2850
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Madison Anesthesiology Consultants, LLP (NPI 1669550711, Madison, WI); Johns Hopkins University (NPI 1578569240, Bethesda, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Washington School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** November 13, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1962899021) · Data from the CMS NPPES public registry.