Mary Tadros, M.D.
NPI 1164425591 · Endocrinology, Diabetes & Metabolism Physician · Evansville, IN
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Tadros, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Evansville, IN (NPI 1164425591).
Provider details
- NPI number
- 1164425591
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 01045508A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
552 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 349 | $119 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 108 | $32 |
| Hemoglobin A1c Level83036 | 53 | $10 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 42 | $21 |
Typical Medicare-allowed amounts for these services range $10–$119 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 371 | 111 |
| Levothyroxine Sodiumbrand: Synthroid | 170 | 45 |
| Semaglutidebrand: Ozempic | 119 | 31 |
| Atorvastatin Calcium | 102 | 31 |
| Metformin Hclbrand: Metformin Hcl Er | 94 | 25 |
| Empagliflozinbrand: Jardiance | 82 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$497 across 25 records (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
- 2005-05-31
- Last updated
- 2018-01-09
Frequently asked questions
- What is Mary Tadros's NPI number?
- Mary Tadros's National Provider Identifier (NPI) is 1164425591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tadros's specialty?
- Mary Tadros is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Tadros located?
- Mary Tadros's practice location on file with NPPES is 421 Chestnut St, Evansville, IN 47713-1227.
- What is Mary Tadros's phone number?
- The practice phone number listed in the NPPES registry for Mary Tadros is (812) 426-6638.
- Does Mary Tadros accept Medicare?
- Mary Tadros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Tadros's NPI active?
- Yes — Mary Tadros's NPI (1164425591) is active in the NPPES registry as of the last update on 2018-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.