Maria Douros, DO
NPI 1700873106 · Family Medicine Physician · Westmont, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Douros, DO is a Family Medicine Physician provider in Westmont, IL (NPI 1700873106).
Provider details
- NPI number
- 1700873106
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 036112744 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hclbrand: Metformin Hcl Er | 75 | 30 |
| Atorvastatin Calcium | 31 | 12 |
| Levothyroxine Sodium | 31 | 15 |
| Topiramate | 28 | 13 |
| Hydrochlorothiazide | 17 | — |
| Irbesartan | 17 | — |
| Amlodipine Besylate | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2023-08-29
- Certified
- 2023-08-29
Frequently asked questions
- What is Maria Douros's NPI number?
- Maria Douros's National Provider Identifier (NPI) is 1700873106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Douros's specialty?
- Maria Douros is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Douros located?
- Maria Douros's practice location on file with NPPES is 801 N Cass Ave Ste 300, Westmont, IL 60559-1193.
- What is Maria Douros's phone number?
- The practice phone number listed in the NPPES registry for Maria Douros is (630) 348-3840.
- Does Maria Douros accept Medicare?
- Maria Douros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Douros's NPI active?
- Yes — Maria Douros's NPI (1700873106) is active in the NPPES registry as of the last update on 2023-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.