IndividualActive
Sidney Bernstein, M.D.
NPI 1235194408 · Ophthalmology Physician · Elgin, IL
Sidney Bernstein, M.D. is a Ophthalmology Physician provider in Elgin, IL (NPI 1235194408).
Provider details
- NPI number
- 1235194408
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-040408 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
1670 Capital St
Suite 100
Elgin, IL 60124-7837
Phone: (847) 888-2020
Fax: (847) 888-0652
Street-level locationGet directions
Mailing address
1670 Capital St
Elgin, IL 60124-7837
Registry dates
- Enumerated
- 2006-04-19
- Last updated
- 2009-06-18
Frequently asked questions
- What is Sidney Bernstein's NPI number?
- Sidney Bernstein's National Provider Identifier (NPI) is 1235194408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sidney Bernstein's specialty?
- Sidney Bernstein is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Sidney Bernstein located?
- Sidney Bernstein's practice location on file with NPPES is 1670 Capital St, Elgin, IL 60124-7837.
- What is Sidney Bernstein's phone number?
- The practice phone number listed in the NPPES registry for Sidney Bernstein is (847) 888-2020.
- Is Sidney Bernstein's NPI active?
- Yes — Sidney Bernstein's NPI (1235194408) is active in the NPPES registry as of the last update on 2009-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.