Lars Newsome, M.D.
NPI 1811920432 · Anesthesiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Interventional Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lars Newsome, M.D. is a Anesthesiology Physician provider in San Diego, CA (NPI 1811920432).
Provider details
- NPI number
- 1811920432
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C42281 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
461 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 98 | $136 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 83 | $102 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 56 | $127 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 31 | $43 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $99 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$301 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2007-12-06
Frequently asked questions
- What is Lars Newsome's NPI number?
- Lars Newsome's National Provider Identifier (NPI) is 1811920432, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lars Newsome's specialty?
- Lars Newsome is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Lars Newsome located?
- Lars Newsome's practice location on file with NPPES is 3626 Ruffin Rd, San Diego, CA 92123-1810.
- What is Lars Newsome's phone number?
- The practice phone number listed in the NPPES registry for Lars Newsome is (858) 565-9666.
- Does Lars Newsome accept Medicare?
- Lars Newsome is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lars Newsome's NPI active?
- Yes — Lars Newsome's NPI (1811920432) is active in the NPPES registry as of the last update on 2007-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.