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)
David Gruber, M.D. is a Neurological Surgery Physician provider in Spokane, WA (NPI 1700824554).
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
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is David Gruber's NPI number?
- David Gruber's National Provider Identifier (NPI) is 1700824554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Gruber's specialty?
- David Gruber is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is David Gruber located?
- David Gruber's practice location on file with NPPES is 105 W 8th Ave, Spokane, WA 99204-2302.
- What is David Gruber's phone number?
- The practice phone number listed in the NPPES registry for David Gruber is (509) 624-9112.
- Does David Gruber accept Medicare?
- David Gruber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Gruber's NPI active?
- Yes — David Gruber's NPI (1700824554) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.