OrganizationActive
Alexander Sagal, MD, Sc
NPI 1912175811 · Family Medicine Physician · Chicago, IL
Alexander Sagal, MD, Sc is a Family Medicine Physician organization in Chicago, IL (NPI 1912175811).
Provider details
- NPI number
- 1912175811
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Alexander Sagal, Doctor(773) 989-9118
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
4947 N Winthrop Ave
Chicago, IL 60640-3607
Phone: (773) 989-9118
Fax: (773) 989-9180
Street-level locationGet directions
Mailing address
4947 N Winthrop Ave
Chicago, IL 60640-3607
Registry dates
- Enumerated
- 2008-02-13
- Last updated
- 2008-02-13
Frequently asked questions
- What is Alexander Sagal, MD, Sc's NPI number?
- Alexander Sagal, MD, Sc's National Provider Identifier (NPI) is 1912175811, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Alexander Sagal, MD, Sc?
- Alexander Sagal, MD, Sc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alexander Sagal, MD, Sc located?
- Alexander Sagal, MD, Sc's practice location on file with NPPES is 4947 N Winthrop Ave, Chicago, IL 60640-3607.
- What is Alexander Sagal, MD, Sc's phone number?
- The practice phone number listed in the NPPES registry for Alexander Sagal, MD, Sc is (773) 989-9118.
- Who is the authorized official for Alexander Sagal, MD, Sc?
- The authorized official listed on Alexander Sagal, MD, Sc's NPPES record is Alexander Sagal, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Alexander Sagal, MD, Sc's NPI active?
- Yes — Alexander Sagal, MD, Sc's NPI (1912175811) is active in the NPPES registry as of the last update on 2008-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.