Scott Chamberlain, M.D.
Emergency Medicine Physician · Walnut Creek, CA
Scott Chamberlain, M.D. is an emergency medicine physician with a practice address in Walnut Creek, California, and NPI 1356395453, issued on May 22, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Scott Chamberlain
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 9501198 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1990 N California Blvd Ste 400, Walnut Creek, CA 94596
- Phone
- (925) 225-5837
- Enumerated
- May 22, 2006
- Record last updated
- Nov 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (925) 225-2834
- Medicaid ID
- 5900046 NC
- Medicare enrollment
- Enrolled (PECOS I20041103000777); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1990 N California Blvd Ste 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Derum, PA-CPhysician Assistant1447355474
- Alexandria Grechko, PA-CPhysician Assistant1447619051
Verify Scott Chamberlain 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
44% more Medicare Part D claims than the average emergency medicine physician in 2024
326 Medicare Part D claims for 200 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 34 claims were for opioids.
Most prescribed
- Ondansetron Odt52 claims
- Cephalexin29 claims
- Methocarbamol27 claims
- Prednisone27 claims
- Hydrocodone-Acetaminophen24 claims
- Methylprednisolone19 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
- Piedmont Triad Physicians PLLCThomasville, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Scott Chamberlain among 7,751 emergency medicine physician records in California
Scott Chamberlain, M.D. is one of 7,751 emergency 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1988 · median 2011 among the 4,560 with a school on file
- Record last updated2014 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
95 emergency medicine physician records list a practice address in Walnut Creek
They are 95 of the 6,170 NPPES records with a practice address in Walnut Creek, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Walnut Creek → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Peter Barnett, M.D.Walnut Creek, CA 945961699882589
- Brian Baskin, MDWalnut Creek, CA 945961770554693
- Peter Benson, M.D.Walnut Creek, CA 945961487680393
- Charles Hansen, MDWalnut Creek, CA 945961891873956
- Christopher Jaksa, MDWalnut Creek, CA 945961619055779
- Conrad Lai, M.DWalnut Creek, CA 945961942248141
- Hannon Patel, MDWalnut Creek, CA 945961336227495
- Alec Richmond, M.D.Walnut Creek, CA 945961851487672
Common questions
What is Scott Chamberlain, M.D.'s NPI number?
Scott Chamberlain, M.D.'s National Provider Identifier (NPI) is 1356395453, issued on May 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Scott Chamberlain, M.D. located?
The NPPES record lists a practice address at 1990 N California Blvd Ste 400, Walnut Creek, CA, 94596. Phone: (925) 225-5837. Providers update this record themselves, so call before visiting.
How can I verify Scott Chamberlain, M.D.'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 Scott Chamberlain, M.D. prescribe under Medicare Part D?
In 2024, Scott Chamberlain, M.D. had 326 Medicare Part D claims for 200 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.