Martin Athelstan Baggenstos, M.D.
Neurosurgery (CMS) · Portland, OR
At a glance
9155 Sw Barnes Rd Ste 440, Portland, OR 97225-6631
Published activity: Laminectomy or laminotomy (partial removal of spine bones) · Spinal fusion · Upper limb (arm) arthroscopy (minimally invasive joint repair). View counts and coverage
NPPES record updated Nov 22, 2023. Public records can lag behind changes at a practice.
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- Do you accept my specific insurance plan?
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Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
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Check the official Medicare directory ↗Practice location
9155 Sw Barnes Rd Ste 440Portland, OR 97225-6631
Additional reported practice locations
5050 Ne Hoyt St Ste 359Portland, OR 972132983
Phone: 5039358501
Fax: 5039358506
Education & affiliations
- Medical / professional school
- Tufts University School Of Medicine
- Graduation year
- 2004
- CMS specialties
- Neurosurgery
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Providence Newberg Medical Center Newberg, OR
- Providence Portland Medical Center Portland, OR
- Providence Seaside Hospital Seaside, OR
- Providence St Vincent Medical Center Portland, OR
- Providence Willamette Falls Medical Center Oregon City, OR
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.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Laminectomy or laminotomy (partial removal of spine bones) | 42 |
| Spinal fusion | 57 |
| Upper limb (arm) arthroscopy (minimally invasive joint repair) | 1-10 |
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.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $13.98 |
Reporting companies
| Company | Amount |
|---|---|
| MEDTRONIC, INC. | $13.98 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Neurosurgery (CMS)
- Taxonomy code
- 207T00000X
- Enumeration date
- Jun 4, 2009
- Record updated
- Nov 22, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
207T00000X · Primary
License reported: MD153961 OR
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
9155 Sw Barnes Rd Ste 440Portland, OR 97225-6631
- Phone
- (503) 935-8500
- Fax
- (503) 935-8505
Mailing address
541 NE 20TH AVE STE 225PORTLAND, OR 972322895
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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