DR. MARTIN ATHELSTAN BAGGENSTOS M.D.
NPI 1114153194
Neurological Surgery in Portland, OR

Active since June 04, 2009PECOS EnrolledAccepts Medicare Assignment
93.57/100
CMS Quality Rating
9155 SW BARNES RD STE 440, PORTLAND, OR 97225(503) 935-8500(503) 935-8505 Get Directions Write a Review

NPPES record last updated: November 22, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 22, 2023, Nov 12, 2021 (2 updates tracked since 2021).

About Dr. Martin Athelstan Baggenstos M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARTIN ATHELSTAN BAGGENSTOS M.D. (NPI 1114153194) is an individual neurological surgery provider in Portland, Oregon, licensed in Oregon (MD153961) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Providence St Vincent Medical Center, and is a graduate of Tufts University School Of Medicine (2004).

NPPES Registry Identity

NPI1114153194
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. MARTIN ATHELSTAN BAGGENSTOSCredential: M.D.
Location Address9155 SW BARNES RD STE 440Portland, OR 97225-6631
Mailing Address541 Ne 20th Ave Ste 225Portland, OR 97232-2895 · (503) 963-2801 · Fax (503) 963-2825
Fax(503) 935-8505
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 2004
Enumeration DateJune 4, 2009
Last NPPES UpdateNovember 22, 20232 updates tracked since enumeration
NPPES CertifiedNovember 22, 2023
NPI 1114153194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in OR · MD153961
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
9155 SW BARNES RD STE 440, Portland, OR 97225

Other Identifiers 2

Medicaid1114153194WA
Medicaid500635997OR

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Martin Athelstan Baggenstos 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.

PECOS PAC ID3375712821
PECOS Enrollment IDI20110817000939
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services33 patients
Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047
This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.
23 services22 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
23 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
23 services23 patients
Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853
Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.
20 services15 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
20 services17 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence St Vincent Medical Center

Acute Care Hospitals · Portland, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380004
Location9205 SW Barnes RoadPortland, OR 97225 · Washington County
Emergency services Birthing friendly

Providence Newberg Medical Center

Acute Care Hospitals · Newberg, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380037
Location1001 Providence DriveNewberg, OR 97132 · Yamhill County
Emergency services Birthing friendly

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380061
Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County
Emergency services Birthing friendly

Providence Milwaukie Hospital

Acute Care Hospitals · Milwaukie, OR
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number380082
Location10150 SE 32nd AvenueMilwaukie, OR 97222 · Clackamas County

Providence Seaside Hospital

Critical Access Hospitals · Seaside, OR
OwnershipVoluntary non-profit - Church
CMS Certification Number381303
Location725 S Wahanna RoadSeaside, OR 97138 · Clatsop County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97225 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$134.16 typical visit price
range $58.99 – $176.88
Typical copayment $33.54 (range $14.74 – $44.22)
Most-billed visit code 99204
Established Patient
$73.28 typical visit price
range $19.32 – $144.79
Typical copayment $18.32 (range $4.83 – $36.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.33
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant (Surgical)
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant (Surgical)
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Nurse Practitioner (Acute Care)
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant
9155 SW BARNES RD STE 440
PORTLAND, OR 97225
Physician Assistant (Medical)
9155 SW BARNES RD STE 440
PORTLAND, OR 97225

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 Martin Baggenstos's NPI number?

The NPI number for Martin Baggenstos is 1114153194. It was assigned to this individual provider in the NPPES registry on June 4, 2009.

Where is Martin Baggenstos located?

Martin Baggenstos practices at 9155 SW Barnes Rd Ste 440, Portland, OR 97225. The listed phone number is (503) 935-8500.

What is Martin Baggenstos's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Martin Baggenstos enrolled in Medicare?

Yes. Martin Baggenstos 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.

What insurance does Martin Baggenstos accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Martin Baggenstos 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 Martin Baggenstos affiliated with any hospitals?

According to CMS data, Martin Baggenstos is affiliated with Providence St Vincent Medical Center, Providence Newberg Medical Center, Providence Portland Medical Center, Providence Milwaukie Hospital and Providence Seaside Hospital.

When was this NPI record last updated?

The NPPES record for Martin Baggenstos was last updated on November 22, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.