Keith Robertson, M.D.
NPI 1619033925 · Orthopaedic Surgery Physician · Westlake Village, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Robertson, M.D. is a Orthopaedic Surgery Physician provider in Westlake Village, CA (NPI 1619033925).
Provider details
- NPI number
- 1619033925
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A07336 (CA)
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
19 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
342 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 113 | $136 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 75 | $96 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 65 | $61 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 48 | $176 |
| X-Ray of Knee, 3 Views73562 | 22 | $46 |
| X-Ray of Shoulder, Minimum of 2 Views73030 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2010-11-26
Frequently asked questions
- What is Keith Robertson's NPI number?
- Keith Robertson's National Provider Identifier (NPI) is 1619033925, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Robertson's specialty?
- Keith Robertson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Robertson located?
- Keith Robertson's practice location on file with NPPES is 696 Hampshire Rd, Westlake Village, CA 91361-2699.
- What is Keith Robertson's phone number?
- The practice phone number listed in the NPPES registry for Keith Robertson is (805) 497-0817.
- Does Keith Robertson accept Medicare?
- Keith Robertson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Robertson's NPI active?
- Yes — Keith Robertson's NPI (1619033925) is active in the NPPES registry as of the last update on 2010-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.