Catherine Jean Lawson, M.D.
Internal Medicine Physician · Oceanside, CA
Catherine Jean Lawson, M.D. is an internal medicine physician with a practice address in Oceanside, California, and NPI 1649279043, issued on Jul 18, 2005. Check the license (California G65272, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Catherine Jean Lawson
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G65272 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3230 Waring CT Ste J, Oceanside, CA 92056
- Phone
- (760) 941-4498
- Enumerated
- Jul 18, 2005
- Record last updated
- Sep 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 941-6938
- Medicare enrollment
- Enrolled (PECOS I20061222000192); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3230 Waring CT Ste J
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna Neumann, PA-CPhysician Assistant1346056025
- Janessa Romero, FNPFamily Nurse Practitioner1295298859
- Kelly Sales, P.A.-C.Medical Physician Assistant1205026861
- Stewart Wilkey, DO, MPHFamily Medicine Physician1821431610
Verify Catherine Jean Lawson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G65272Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
37% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,986 Medicare Part D claims for 398 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium161 claims
- Losartan Potassium111 claims
- Amlodipine Besylate107 claims
- Levothyroxine Sodium94 claims
- Rosuvastatin Calcium68 claims
- Gabapentin62 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.
Bills Medicare through one group practice
- Torrance Health Association IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Jean Lawson among 17,696 internal medicine physician records in California
Catherine Jean Lawson, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Oceanside → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Antoun, MDOceanside, CA 920561043573785
- Nancy Chang, M.D.Oceanside, CA 920561386635621
- Paul Dang, MDOceanside, CA 920561801882592
- Richard Day, MDOceanside, CA 920561386716959
- Kaveh Farhoomand, DOOceanside, CA 920561447249040
- Robert Lee, MDOceanside, CA 920561528081155
- Matthew Long, DO, MPHOceanside, CA 920561740863273
- Claire McCutcheon, MDOceanside, CA 920561689028060
Common questions
What is Catherine Jean Lawson, M.D.'s NPI number?
Catherine Jean Lawson, M.D.'s National Provider Identifier (NPI) is 1649279043, issued on Jul 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Jean Lawson, M.D. located?
The NPPES record lists a practice address at 3230 Waring CT Ste J, Oceanside, CA, 92056. Phone: (760) 941-4498. Providers update this record themselves, so call before visiting.
How can I verify Catherine Jean Lawson, M.D.'s license?
NPPES lists California license number G65272, as entered by the provider. 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 Jean Lawson, M.D. prescribe under Medicare Part D?
In 2024, Catherine Jean Lawson, M.D. had 1,986 Medicare Part D claims for 398 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.