Sean Dreyer, MD
NPI 1538666292 · Physical Medicine & Rehabilitation Physician · Downey, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Dreyer, MD is a Physical Medicine & Rehabilitation Physician provider in Downey, CA (NPI 1538666292).
Provider details
- NPI number
- 1538666292
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 125073440 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 3801 Miranda Ave # Mc-128Palo Alto, CA 94304-1207Phone: (650) 493-5000
- 355 E Erie StChicago, IL 60611-3167Phone: (312) 238-1000
Registry dates
- Enumerated
- 2018-04-10
- Last updated
- 2023-07-17
- Certified
- 2023-07-16
Frequently asked questions
- What is Sean Dreyer's NPI number?
- Sean Dreyer's National Provider Identifier (NPI) is 1538666292, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Dreyer's specialty?
- Sean Dreyer is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Dreyer located?
- Sean Dreyer's practice location on file with NPPES is 7601 Imperial Hwy Ste Jpi 3120, Downey, CA 90242-3456.
- What is Sean Dreyer's phone number?
- The practice phone number listed in the NPPES registry for Sean Dreyer is (562) 385-7111.
- Does Sean Dreyer accept Medicare?
- Sean Dreyer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Dreyer's NPI active?
- Yes — Sean Dreyer's NPI (1538666292) is active in the NPPES registry as of the last update on 2023-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.