Mahwish Saim, M.D.
NPI 1649767997 · Pulmonary Disease Physician · Winfield, IL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahwish Saim, M.D. is a Pulmonary Disease Physician provider in Winfield, IL (NPI 1649767997).
Provider details
- NPI number
- 1649767997
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036174037 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 302 Randall Rd Ste 105Geneva, IL 60134-4219Phone: (630) 232-0202Fax: (630) 232-9784
- 636 Raymond Dr Ste 204Naperville, IL 60563-9791Phone: (630) 232-0202Fax: (630) 690-2293
Registry dates
- Enumerated
- 2018-04-21
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is Mahwish Saim's NPI number?
- Mahwish Saim's National Provider Identifier (NPI) is 1649767997, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahwish Saim's specialty?
- Mahwish Saim is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mahwish Saim located?
- Mahwish Saim's practice location on file with NPPES is 25 N Winfield Rd Ste 204, Winfield, IL 60190-1379.
- What is Mahwish Saim's phone number?
- The practice phone number listed in the NPPES registry for Mahwish Saim is (630) 232-0202.
- Does Mahwish Saim accept Medicare?
- Mahwish Saim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahwish Saim's NPI active?
- Yes — Mahwish Saim's NPI (1649767997) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.