DR. VAIDEHI MAHADEV MD
NPI 1710477674
Neurological Surgery in Portland, OR

Active since May 16, 2018PECOS Enrolled
501 N GRAHAM ST STE 445, PORTLAND, OR 97227(503) 944-6300 Get Directions Write a Review

NPPES record last updated: August 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2026, May 16, 2018 (2 updates tracked since 2018).

About Dr. Vaidehi Mahadev Md NPPES

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

DR. VAIDEHI MAHADEV MD (NPI 1710477674) is an individual neurological surgery provider in Portland, Oregon, licensed in Oregon (MD231122) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1710477674
Entity TypeIndividualFemale
Primary Taxonomy207T00000X
Provider Legal NameDR. VAIDEHI MAHADEVCredential: MD
Location Address501 N GRAHAM ST STE 445Portland, OR 97227-2002
Mailing AddressPo Box 3777Portland, OR 97208-3777 · (503) 413-3900 · Fax (503) 413-3710
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 16, 2018
Last NPPES UpdateAugust 5, 20262 updates tracked since enumeration
NPPES CertifiedAugust 5, 2026
✔ NPI 1710477674 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 · MD231122
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.
501 N GRAHAM ST STE 445, Portland, OR 97227

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Vaidehi Mahadev Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325506249
PECOS Enrollment IDI20260820001126
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Vaidehi Mahadev reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
2801 N GANTENBEIN AVE
Portland, OR 97227
  • Reassigned Medicare billing, Oregon enrollment
  • 719 clinicians in this Medicare group
Clinic/Center
1130 NW 22ND AVE STE 220
Portland, OR 97210
  • Reassigned Medicare billing, Oregon enrollment
  • 1,248 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97227 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.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
501 N GRAHAM ST STE 445
PORTLAND, OR 97227
Nurse Practitioner (Adult Health)
501 N GRAHAM ST STE 445
PORTLAND, OR 97227
Neurological Surgery
501 N GRAHAM ST STE 445
PORTLAND, OR 97227
Physician Assistant
501 N GRAHAM ST STE 445
PORTLAND, OR 97227
Neurological Surgery
501 N GRAHAM ST STE 445
PORTLAND, OR 97227
Neurological Surgery
501 N GRAHAM ST STE 445
PORTLAND, OR 97227

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 Vaidehi Mahadev's NPI number?

The NPI number for Vaidehi Mahadev is 1710477674. It was assigned to this individual provider in the NPPES registry on May 16, 2018.

Where is Vaidehi Mahadev located?

Vaidehi Mahadev practices at 501 N Graham St Ste 445, Portland, OR 97227. The listed phone number is (503) 944-6300.

What is Vaidehi Mahadev's specialty?

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

Is Vaidehi Mahadev enrolled in Medicare?

Yes. Vaidehi Mahadev is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Vaidehi Mahadev's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vaidehi Mahadev reassigns Medicare benefits to 2 organizations: Legacy Emanuel Hospital & Health Center (Portland, OR) and Legacy Clinics LLC (Portland, OR). 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 Vaidehi Mahadev's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vaidehi Mahadev accept?

Health plans from Moda Health Plan, Inc. and PacificSource Health Plans list Vaidehi Mahadev 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.

When was this NPI record last updated?

The NPPES record for Vaidehi Mahadev was last updated on August 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.