Castoria Seymore, MD
Pain Medicine (Anesthesiology) Physician · Manhattan Beach, CA
Castoria Seymore, MD is a pain medicine (anesthesiology) physician with a practice address in Manhattan Beach, California, and NPI 1831282359, issued on Oct 2, 2006. Check the license (California C31929, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Castoria Seymore
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- C31929 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Rosecrans Ave 208, Manhattan Beach, CA 90266
- Phone
- (310) 416-9700
- Enumerated
- Oct 2, 2006
- Record last updated
- Nov 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (310) 216-0226
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Verify Castoria Seymore in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C31929Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 58.3 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).
Castoria Seymore among 536 pain medicine (anesthesiology) physician records in California
Castoria Seymore, MD is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 57% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2015 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in Manhattan Beach → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Rostam Khoshsar, MDLawndale, CA 902601336275007
- Tadeh Setaghian, M.D.Lawndale, CA 902601083076376
- Osemwota Omoigui, MDHawthorne, CA 902501497825467
- Angela Hsu, MDDowney, CA 902421790932010
- Kimberly Malone, M.D.Inglewood, CA 903011801973532
- Sherwin Barvarz, M.D.Beverly Hills, CA 902121750743480
- Nicholas Fuller, MDBeverly Hills, CA 902121154382463
- Randy Rosen, M.D.Beverly Hills, CA 902121538291232
Common questions
What is Castoria Seymore, MD's NPI number?
Castoria Seymore, MD's National Provider Identifier (NPI) is 1831282359, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Castoria Seymore, MD located?
The NPPES record lists a practice address at 1200 Rosecrans Ave 208, Manhattan Beach, CA, 90266. Phone: (310) 416-9700. Providers update this record themselves, so call before visiting.
How can I verify Castoria Seymore, MD's license?
NPPES lists California license number C31929, 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.
What is Castoria Seymore, MD's MIPS final score?
The 2023 MIPS final score is 58.3 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.