DAVID C. OLKEN D.O.
NPI 1679655260
Internal Medicine in Rochester, NH
About David C. Olken D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID C. OLKEN D.O. (NPI 1679655260) is an individual internal medicine provider in Rochester, New Hampshire, licensed in New Hampshire (8512) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Wentworth-douglass Hospital, and is a graduate of University Of New England, College Of Osteo Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
David C. Olken D.o. 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 Reassignment
Medicare enrollment records show David Olken reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Somersworth, NH 03878
- Reassigned Medicare billing, New Hampshire enrollment
- 559 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Wentworth-Douglass Hospital
Acute Care Hospitals · Dover, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03867 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.
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 Olken's NPI number?
The NPI number for David Olken is 1679655260. It was assigned to this individual provider in the NPPES registry on October 20, 2006.
Where is David Olken located?
David Olken practices at 11 Whitehall Rd Hospitalist Service, Rochester, NH 03867. The listed phone number is (603) 330-7905.
What is David Olken's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is David Olken enrolled in Medicare?
Yes. David Olken 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 organization bills Medicare for David Olken's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Olken reassigns Medicare benefits to Wentworth Douglass Physician Corporation (Somersworth, NH). 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 David Olken's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Olken accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list David Olken 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 David Olken affiliated with any hospitals?
According to CMS data, David Olken is affiliated with Wentworth-Douglass Hospital.
When was this NPI record last updated?
The NPPES record for David Olken was last updated on November 12, 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.