Catherine Louise Sundsmo, MD
Family Medicine Physician · Del Mar, CA
Catherine Louise Sundsmo, MD is a family medicine physician with a practice address in Del Mar, California, and NPI 1861747545, issued on Jul 18, 2012. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Louise Sundsmo
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 9712A WY
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Via DE LA Valle, Del Mar, CA 92014
- Phone
- (858) 499-2708
- Enumerated
- Jul 18, 2012
- Record last updated
- Jul 17, 2024
- Fax
- (858) 309-3269
- Medicare enrollment
- Enrolled (PECOS I20150727001841); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 2600 Via DE LA Valle
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Gleason, MDClinical Cardiac Electrophysiology Physician1700865045
- Aristotelis Laliotis, M.D.Internal Medicine Physician1124076435
- Andrea Munoz, PACMedical Physician Assistant1528165271
- Brent Rathbun, M.D.Internal Medicine Physician1720091697
- David Reynaldo, M.D.Internal Medicine Physician1386657187
- Ellenbeth Rodarte, M.D.Family Medicine Physician1205808714
Verify Catherine Louise Sundsmo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average family medicine physician in 2024
1,233 Medicare Part D claims for 194 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 34 claims were for opioids.
Most prescribed
- Atorvastatin Calcium87 claims
- Losartan Potassium70 claims
- Amlodipine Besylate63 claims
- Levothyroxine Sodium56 claims
- Rosuvastatin Calcium44 claims
- Lisinopril33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Sharp Rees-Stealy Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Louise Sundsmo among 17,133 family medicine physician records in California
Catherine Louise Sundsmo, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2011 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Del Mar
They are 7 of the 344 NPPES records with a practice address in Del Mar, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Del Mar → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Boyd, MDDel Mar, CA 920141811906654
- Arnold Kremer, D.O.Del Mar, CA 920141104846344
- Michael Markopoulos, M.D.Del Mar, CA 920141023178464
- Robert Mendes, M.D.Del Mar, CA 920141912235292
- Ellenbeth Rodarte, M.D.Del Mar, CA 920141205808714
- Jennifer Tran, D.O.Del Mar, CA 920141689794711
- Alisa Hideg, M.D.Carlsbad, CA 920111245365444
- Tommy Le, D.O.Carlsbad, CA 920111821090788
Common questions
What is Catherine Louise Sundsmo, MD's NPI number?
Catherine Louise Sundsmo, MD's National Provider Identifier (NPI) is 1861747545, issued on Jul 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Louise Sundsmo, MD located?
The NPPES record lists a practice address at 2600 Via DE LA Valle, Del Mar, CA, 92014. Phone: (858) 499-2708. Providers update this record themselves, so call before visiting.
How can I verify Catherine Louise Sundsmo, MD's license?
Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Catherine Louise Sundsmo, MD prescribe under Medicare Part D?
In 2024, Catherine Louise Sundsmo, MD had 1,233 Medicare Part D claims for 194 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Catherine Louise Sundsmo, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.