Nathan Holman, MD

Gastroenterology (CMS) · Springfield, OR

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At a glance

3355 Riverbend Dr Ste 500, Springfield, OR 97477-8800

Published activity: Colonoscopy · Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage

NPPES record updated Apr 28, 2021. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

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Practice location

3355 Riverbend Dr Ste 500
Springfield, OR 97477-8800

Additional reported practice locations

169 Ashley Ave
Room 202 Main Hospital Msc 333
Charleston, SC 294258905
Phone: 8437921020
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
Ohio State University College Of Medicine
Graduation year
2013
CMS specialties
Gastroenterology

CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

Procedure categoryPublished Medicare activity
Colonoscopy67
Upper gastrointestinal (GI) endoscopy for acid reflux56

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1386082386
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Registry details

Primary taxonomy
Gastroenterology (CMS)
Taxonomy code
207RG0100X
Enumeration date
Jun 12, 2013
Record updated
Apr 28, 2021
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Specialty details in registry

207RG0100X · Primary

License reported: MD191699 OR

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

3355 Riverbend Dr Ste 500
Springfield, OR 97477-8800
Phone
(541) 868-9500
Fax
(541) 685-5920
Mailing address
3355 RIVERBEND DR STE 500

SPRINGFIELD, OR 974778800
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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