Physician Profile
Unclaimed ProfileAbout CORDERO
Based in Downers Grove, IL, Weiser Eguia Cordero, M.D. is listed in the NPI registry under internal medicine. Weiser graduated from Saint Louis University School of Medicine in 2006. Medicare claims data shows Weiser provided 6,064 services to 5,066 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 435-9888
- Email not available
Practice Locations
5207 MAIN ST
Downers Grove, IL 60515
Procedures Most Often Billed to Medicare
6,064 services · 5,066 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
935 |
| Influenza vaccine, inactivated | Treatment | 90653 |
80 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
57 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
701 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
675 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
564 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
544 |
| Hemoglobin a1c level | Lab test | 83036 |
365 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
332 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
278 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other internal medicines in Downers Grove 6
Same specialty, same city.
Trained at Saint Louis University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Saint Louis University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Cordero?
Dr. Cordero is an internal medicine in Downers Grove, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Cordero's address?
Dr. Cordero is listed at 5207 MAIN ST, Downers Grove, IL 60515. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Cordero?
The number on file is (630) 435-9888. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Cordero?
Dr. Cordero's National Provider Identifier is 1063689719. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Cordero train?
Dr. Cordero attended Saint Louis University School of Medicine, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Cordero have?
Dr. Cordero has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Cordero perform?
According to Medicare billing data, Dr. Cordero performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Cordero's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Cordero. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.