NICHOLAS STEPHEN HOLTAN M.D.
NPI 1609187103
Internal Medicine in Centralia, WA
About Nicholas Stephen Holtan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS STEPHEN HOLTAN M.D. (NPI 1609187103) is an individual internal medicine provider in Centralia, Washington, licensed in Washington (MD60361040) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS, is affiliated with Providence Centralia Hospital, and is a graduate of University Of Arizona College Of Medicine (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Nicholas Stephen Holtan M.d. 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 Nicholas Holtan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Centralia, WA 98531
- Reassigned Medicare billing, Washington enrollment
- 915 clinicians in this Medicare group
Centralia, WA 98531
- Reassigned Medicare billing, Washington enrollment
- 646 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 6
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.
Providence Centralia Hospital
Acute Care Hospitals · Centralia, WAProvidence St Peter Hospital
Acute Care Hospitals · Olympia, WAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98531 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
CENTRALIA, WA 98531
CENTRALIA, WA 98531
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 Nicholas Holtan's NPI number?
The NPI number for Nicholas Holtan is 1609187103. It was assigned to this individual provider in the NPPES registry on June 29, 2010.
Where is Nicholas Holtan located?
Nicholas Holtan practices at 914 S Scheuber Rd, Centralia, WA 98531. The listed phone number is (360) 330-8976.
What is Nicholas Holtan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Nicholas Holtan enrolled in Medicare?
Yes. Nicholas Holtan 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 Nicholas Holtan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Holtan reassigns Medicare benefits to 2 organizations: South Sound Inpatient Physicians PLLC (Centralia, WA) and Providence Health & Services Washington (Centralia, 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 Nicholas Holtan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Holtan accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Nicholas Holtan 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 Nicholas Holtan affiliated with any hospitals?
According to CMS data, Nicholas Holtan is affiliated with Providence Centralia Hospital and Providence St Peter Hospital.
When was this NPI record last updated?
The NPPES record for Nicholas Holtan was last updated on January 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.