Laurence Richard Seaman, MD
Critical Care Medicine (Internal Medicine) Physician · Oroville, CA
Laurence Richard Seaman, MD is a critical care medicine (internal medicine) physician with a practice address in Oroville, California, and NPI 1295780971, issued on May 23, 2006. Check the license (California G45475, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Laurence Richard Seaman
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- G45475 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2767 Olive Highway, Oroville, CA 95966
- Phone
- (530) 532-8648
- Enumerated
- May 23, 2006
- Record last updated
- Sep 9, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (530) 538-3117
- Medicaid ID
- 00G454750 CA
- Medicare enrollment
- Enrolled (PECOS I20040601000521); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Also registered at 2767 Olive Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Aaroe, FAMILY NURSE PRACTITFamily Nurse Practitioner1750767083
- Laila Chandy, MDAnatomic Pathology & Clinical Pathology Physician1760590301
- Olivia Farnworth, CRNACertified Registered Nurse Anesthetist1649168857
- David Hall, MDEmergency Medicine Physician1417993502
- Howard McArthur, PAPhysician Assistant1366510331
- Michael Merwin, MDAnatomic Pathology & Clinical Pathology Physician1326158445
Verify Laurence Richard Seaman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45475Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.2 times the Medicare Part D claims of the average critical care medicine (internal medicine) physician in 2024
3,603 Medicare Part D claims for 155 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium287 claims
- Levothyroxine Sodium148 claims
- Furosemide134 claims
- Xarelto98 claims
- Levetiracetam93 claims
- Amlodipine Besylate91 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): 73.3 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).
One hospital affiliation
- Oroville HospitalOroville, CA · Acute Care Hospitals1 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Laurence Richard Seaman among 723 critical care medicine (internal medicine) physician records in California
Laurence Richard Seaman, MD is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1978 · median 2005 among the 559 with a school on file
- Record last updated2016 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Oroville → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- John Lace, M.D., F.C.C.P.Grass Valley, CA 959451104840461
- Sylvan Cox, M.D.Redding, CA 960011629464938
- David Johnson, M.D.Redding, CA 960011801807805
- Amjad Musthafa, M.D.Redding, CA 960011558372581
- Ariosto Rosado, MDRedding, CA 960011255310041
- Frank Sebat, M.D.Redding, CA 960011255343208
- Rafael Lupercio, M.D.Redding, CA 960031174532618
- Sriram Sambasivan, M.D.Redding, CA 960031356350821
Common questions
What is Laurence Richard Seaman, MD's NPI number?
Laurence Richard Seaman, MD's National Provider Identifier (NPI) is 1295780971, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Laurence Richard Seaman, MD located?
The NPPES record lists a practice address at 2767 Olive Highway, Oroville, CA, 95966. Phone: (530) 532-8648. Providers update this record themselves, so call before visiting.
How can I verify Laurence Richard Seaman, MD's license?
NPPES lists California license number G45475, 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 Laurence Richard Seaman, MD prescribe under Medicare Part D?
In 2024, Laurence Richard Seaman, MD had 3,603 Medicare Part D claims for 155 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. Part D covers Medicare prescriptions only.
What is Laurence Richard Seaman, MD's MIPS final score?
The 2023 MIPS final score is 73.3 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.