Demetrios Giokaris, MD
NPI 1871501825 · Internal Medicine Physician · Chicago, IL
Demetrios Giokaris, MD is a Internal Medicine Physician provider in Chicago, IL (NPI 1871501825).
Provider details
- NPI number
- 1871501825
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036066354 (IL)
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
19 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
3,012 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 | 752 | $125 |
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 458 | $24 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 435 | $3 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 268 | $30 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 239 | $21 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 296 | 81 |
| Pantoprazole Sodium | 293 | 100 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 290 | 136 |
| Amlodipine Besylate | 271 | 74 |
| Metformin Hcl | 255 | 71 |
| Ramipril | 196 | 60 |
| Atorvastatin Calcium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$448 across 20 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
- 2006-08-04
- Last updated
- 2015-03-27
Frequently asked questions
- What is Demetrios Giokaris's NPI number?
- Demetrios Giokaris's National Provider Identifier (NPI) is 1871501825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Demetrios Giokaris's specialty?
- Demetrios Giokaris is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Demetrios Giokaris located?
- Demetrios Giokaris's practice location on file with NPPES is 4921 N Western Avenue, Chicago, IL 60625.
- What is Demetrios Giokaris's phone number?
- The practice phone number listed in the NPPES registry for Demetrios Giokaris is (773) 784-9669.
- Is Demetrios Giokaris's NPI active?
- Yes — Demetrios Giokaris's NPI (1871501825) is active in the NPPES registry as of the last update on 2015-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.