DAVID M. KOENIG CRNA
NPI 1972849404
Nurse Anesthetist, Certified Registered in Worcester, MA
About David M. Koenig Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID M. KOENIG CRNA (NPI 1972849404) is an individual nurse anesthetist, certified registered in Worcester, Massachusetts, licensed in Massachusetts (RN2282787) and active in the NPI registry since January 2013. He is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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 M. Koenig Crna 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 Koenig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Sonora, CA 95370
- Reassigned Medicare billing, California enrollment
- 31 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 9
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 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.
WORCESTER, MA 01655
WORCESTER, MA 01655
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 Koenig's NPI number?
The NPI number for David Koenig is 1972849404. It was assigned to this individual provider in the NPPES registry on January 3, 2013.
Where is David Koenig located?
David Koenig practices at 55 Lake Ave N Department Of Anesthesiology, Worcester, MA 01655. The listed phone number is (508) 334-3271.
What is David Koenig's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is David Koenig enrolled in Medicare?
Yes. David Koenig 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 Koenig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Koenig reassigns Medicare benefits to 2 organizations: Arthur N Donaldson M D Inc (Sonora, CA) and Sonora Anesthesia Services A Medical Group Inc (Sonora, CA). 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 Koenig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for David Koenig was last updated on July 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.