Erlinda B. Siwa M.d.,s.c.
NPI 1558663369 · Family Medicine Physician · Chicago, IL
Erlinda B. Siwa M.d.,s.c. is a Family Medicine Physician organization in Chicago, IL (NPI 1558663369).
Provider details
- NPI number
- 1558663369
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Erlinda Siwa, Doctor(773) 767-0606
- License
- 3648108 (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
15 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
- 2010-11-30
- Last updated
- 2010-11-30
Frequently asked questions
- What is Erlinda B. Siwa M.d.,s.c.'s NPI number?
- Erlinda B. Siwa M.d.,s.c.'s National Provider Identifier (NPI) is 1558663369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Erlinda B. Siwa M.d.,s.c.?
- Erlinda B. Siwa M.d.,s.c. is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Erlinda B. Siwa M.d.,s.c. located?
- Erlinda B. Siwa M.d.,s.c.'s practice location on file with NPPES is 4258 W 55th St, Chicago, IL 60632-4642.
- What is Erlinda B. Siwa M.d.,s.c.'s phone number?
- The practice phone number listed in the NPPES registry for Erlinda B. Siwa M.d.,s.c. is (773) 767-0606.
- Who is the authorized official for Erlinda B. Siwa M.d.,s.c.?
- The authorized official listed on Erlinda B. Siwa M.d.,s.c.'s NPPES record is Erlinda Siwa, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Erlinda B. Siwa M.d.,s.c.'s NPI active?
- Yes — Erlinda B. Siwa M.d.,s.c.'s NPI (1558663369) is active in the NPPES registry as of the last update on 2010-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.