DR. HOLGER HENNIG MD
NPI 1619961398
Anesthesiology in Springfield, OR
About Dr. Holger Hennig Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLGER HENNIG MD (NPI 1619961398) is an individual anesthesiology provider in Springfield, Oregon, licensed in Oregon (MD151763) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS, is affiliated with Mckenzie-willamette Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 4
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. Holger Hennig Md 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
5Medicare enrollment records show Holger Hennig reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, OR 97477
- Reassigned Medicare billing, Oregon enrollment
- 123 clinicians in this Medicare group
Salem, OR 97301
- Reassigned Medicare billing, Oregon enrollment
- 25 clinicians in this Medicare group
Milwaukie, OR 97222
- Reassigned Medicare billing, Oregon enrollment
- 183 clinicians in this Medicare group
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 clinicians in this Medicare group
Spokane, WA 99204
- Reassigned Medicare billing, Washington enrollment
- 102 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mckenzie-Willamette Medical Center
Acute Care Hospitals · Springfield, ORSacred Heart Medical Center - Riverbend
Acute Care Hospitals · Springfield, OROther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, OR 97477
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 Holger Hennig's NPI number?
The NPI number for Holger Hennig is 1619961398. It was assigned to this individual provider in the NPPES registry on September 8, 2005.
Where is Holger Hennig located?
Holger Hennig practices at 3333 Riverbend Dr, Springfield, OR 97477. The listed phone number is (541) 222-3154.
What is Holger Hennig's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Holger Hennig enrolled in Medicare?
Yes. Holger Hennig 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 Holger Hennig's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Holger Hennig reassigns Medicare benefits to 5 organizations: Northwest Anesthesia Physicians PC (Springfield, OR), Oregon Pain Management LLC (Salem, OR), Anesthesia Associates Northwest LLC (Milwaukie, OR), Oregon Anesthesiology Group PC (Portland, OR) and Anesthesia Associates, Ps (Spokane, WA). 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 Holger Hennig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Holger Hennig affiliated with any hospitals?
According to CMS data, Holger Hennig is affiliated with Mckenzie-Willamette Medical Center and Sacred Heart Medical Center - Riverbend.
When was this NPI record last updated?
The NPPES record for Holger Hennig was last updated on April 1, 2021. 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. Holger Hennig, MD · NPI 1619961398
Anesthesiology physician in Springfield, Oregon. Individual provider, active in the CMS NPPES registry since September 8, 2005.
## Identity
- **NPI:** 1619961398 (Entity type: Individual)
- **Enumerated:** September 8, 2005
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD151763 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 3333 RIVERBEND DR, Springfield, OR 97477-8800
- **Phone:** (541) 222-3154 · **Fax:** (541) 222-3359
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Northwest Anesthesia Physicians PC (NPI 1770531196, Springfield, OR); Oregon Pain Management LLC (NPI 1679936579, Salem, OR); Anesthesia Associates Northwest LLC (NPI 1548281751, Milwaukie, OR); Oregon Anesthesiology Group PC (NPI 1477527786, Portland, OR); Anesthesia Associates, Ps (NPI 1831143254, Spokane, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1992
## Record status
- **NPPES last updated:** April 1, 2021
- **Other identifiers:** Medicaid 1619961398 (WA); Medicaid D3869 (UT); Medicaid 500624959 (OR); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1619961398) · Data from the CMS NPPES public registry.