Stephen Grayson, MD
NPI 1063405496 · Emergency Medicine Physician · Mount Kisco, NY
Stephen Grayson, MD is a Emergency Medicine Physician provider in Mount Kisco, NY (NPI 1063405496).
Provider details
- NPI number
- 1063405496
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 133867 (NY)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Registry dates
- Enumerated
- 2005-08-31
- Last updated
- 2014-01-22
Frequently asked questions
- What is Stephen Grayson's NPI number?
- Stephen Grayson's National Provider Identifier (NPI) is 1063405496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Grayson's specialty?
- Stephen Grayson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Grayson located?
- Stephen Grayson's practice location on file with NPPES is 400 E Main St, Mount Kisco, NY 10549-3417.
- What is Stephen Grayson's phone number?
- The practice phone number listed in the NPPES registry for Stephen Grayson is (914) 666-1254.
- Is Stephen Grayson's NPI active?
- Yes — Stephen Grayson's NPI (1063405496) is active in the NPPES registry as of the last update on 2014-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.