Sean David Dreyer, MD
Physical Medicine & Rehabilitation Physician · Downey, CA
Sean David Dreyer, MD is a physical medicine & rehabilitation physician with a practice address in Downey, California, and NPI 1538666292, issued on Apr 10, 2018. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sean David Dreyer
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 125073440 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7601 Imperial Hwy Ste Jpi 3120, Downey, CA 90242
- Phone
- (562) 385-7111
- Enumerated
- Apr 10, 2018
- Record last updated
- Jul 17, 2023
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 7601 Imperial Hwy Ste Jpi 3120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mondana Hatzidakis, PA-CPhysician Assistant1689820037
- Peter Nguyen, M.D.Critical Care Medicine (Internal Medicine) Physician1912387812
Verify Sean David Dreyer 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
96% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
32 Medicare Part D claims, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D.
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.
Sean David Dreyer among 1,549 physical medicine & rehabilitation physician records in California
Sean David Dreyer, MD is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 70% of them.
- NPI issued2018 · 70% of these records are older, 26% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · 51% of these records are
- Record last updated2023 · 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 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Downey → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Ryan Alano, MD, MPHDowney, CA 902421942763073
- Paul Chan, MDDowney, CA 902421417481995
- Min-Ning Huang, M.D.Downey, CA 902421760583819
- Michael Huoh, M.D.Downey, CA 902421164602728
- Adil Hussain, DODowney, CA 902421245650811
- Shahab Moradi, D.O.Downey, CA 902421619263050
- Denise Morales, M.D.Downey, CA 902421922169457
- Daniel Shin, MDDowney, CA 902421295713816
Common questions
What is Sean David Dreyer, MD's NPI number?
Sean David Dreyer, MD's National Provider Identifier (NPI) is 1538666292, issued on Apr 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sean David Dreyer, MD located?
The NPPES record lists a practice address at 7601 Imperial Hwy Ste Jpi 3120, Downey, CA, 90242. Phone: (562) 385-7111. Providers update this record themselves, so call before visiting.
How can I verify Sean David Dreyer, 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 Sean David Dreyer, MD prescribe under Medicare Part D?
In 2024, Sean David Dreyer, MD had 32 Medicare Part D claims; the average among physical medicine & rehabilitation physician prescribers was 727. 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.