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LARS R. NEWSOME, M.D., INC.
NPI 1689018228
Anesthesiology - Pain Medicine in La Jolla, CA

Active since April 25, 2013
9850 GENESEE AVE STE 210, LA JOLLA, CA 92037(858) 429-6290(858) 244-0152 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lars R. Newsome, M.d., Inc. NPPES

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

LARS R. NEWSOME, M.D., INC. (NPI 1689018228) is a healthcare organization registered as a pain medicine in La Jolla, California and active in the NPI registry since April 2013. The organization lists Lars R. Newsome, President, as its authorized official.

NPPES Registry Identity

NPI1689018228
Entity TypeOrganization
Primary Taxonomy207LP2900X
Legal Business NameLARS R. NEWSOME, M.D., INC.
Location Address9850 GENESEE AVE STE 210La Jolla, CA 92037-1206
Mailing Address8677 Villa La Jolla Dr Ste 1888La Jolla, CA 92037-2354 · (858) 429-6290 · Fax (858) 244-0152
Phone(858) 429-6290
Fax(858) 244-0152
Organization SubpartNo
Authorized OfficialLars R. NewsomePresident · (858) 565-9666
Enumeration DateApril 25, 2013
Last NPPES UpdateJanuary 13, 2026
NPPES CertifiedJanuary 13, 2026
✔ NPI 1689018228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in CA · C42281
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
9850 GENESEE AVE STE 210, La Jolla, CA 92037
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lars R. Newsome, M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Lars R. Newsome, M.D., Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Lars Newsome, M.D.
Interventional Pain Management
NPI 1811920432
3626 RUFFIN RD
San Diego, CA 92123
(858) 565-9666
✔ PECOS✔ Accepts Medicare8.0 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Lars R. Newsome, M.D., Inc.'s NPI number?

The NPI number for Lars R. Newsome, M.D., Inc. is 1689018228. It was assigned to this organization in the NPPES registry on April 25, 2013.

Where is Lars R. Newsome, M.D., Inc. located?

Lars R. Newsome, M.D., Inc. is located at 9850 Genesee Ave Ste 210, La Jolla, CA 92037. The listed phone number is (858) 429-6290.

What is Lars R. Newsome, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Lars R. Newsome, M.D., Inc. enrolled in Medicare?

Yes. Lars R. Newsome, M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Lars R. Newsome, M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Interventional Pain Management) reassigns their Medicare billing to Lars R. Newsome, M.D., Inc.. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Lars R. Newsome, M.D., Inc. was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.