IndividualActiveAccepts Medicare

David Gruber, M.D.

NPI 1700824554 · Neurological Surgery Physician · Spokane, WA

Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Provider details

NPI number: 1700824554
Entity type: Individual
Primary specialty: Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: MD00037158 (WA)

Specialties & taxonomies

Neurological Surgery PhysicianPrimary207T00000XLicense MD00037158 (WA)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
20 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
1 documented practice location
Medicare service volume (vs. specialty peers)28% of score
364 Medicare services, 2024 (ranked within specialty)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	66	$164
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	44	$127
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	42	$77
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	31	$91
Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047	28	$815
Insertion of Cage Or Mesh Device to Spine Bone and Disc Space During Spine Fusion

Practice location

105 W 8th Ave

Suite 200

Spokane, WA 99204-2302

Phone: (509) 624-9112

Fax: (509) 624-1087

Street-level locationGet directions

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Mailing address