IndividualActive
Charles Bleifeld, M.D.
NPI 1639191968 · Specialist · Smithtown, NY
Charles Bleifeld, M.D. is a Specialist provider in Smithtown, NY (NPI 1639191968).
Provider details
- NPI number
- 1639191968
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 103836-1 (NY)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
48 Route 25a
Suite 106
Smithtown, NY 11787-1431
Phone: (631) 863-1007
Fax: (631) 862-3668
Street-level locationGet directions
Mailing address
48 Route 25a
Smithtown, NY 11787-1431
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2011-06-09
Frequently asked questions
- What is Charles Bleifeld's NPI number?
- Charles Bleifeld's National Provider Identifier (NPI) is 1639191968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Bleifeld's specialty?
- Charles Bleifeld is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Charles Bleifeld located?
- Charles Bleifeld's practice location on file with NPPES is 48 Route 25a, Smithtown, NY 11787-1431.
- What is Charles Bleifeld's phone number?
- The practice phone number listed in the NPPES registry for Charles Bleifeld is (631) 863-1007.
- Is Charles Bleifeld's NPI active?
- Yes — Charles Bleifeld's NPI (1639191968) is active in the NPPES registry as of the last update on 2011-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.