Constantine Kroustos, MD
NPI 1750404984 · Endocrinology, Diabetes & Metabolism Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constantine Kroustos, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Columbus, OH (NPI 1750404984).
Provider details
- NPI number
- 1750404984
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35087492 (OH)
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
1,754 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 | 407 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 239 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 189 | $33 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 134 | $16 |
| Hemoglobin A1c Level83036 | 110 | $9 |
| Creatinine Level to Test for Kidney Function Or Muscle Injury82570 | 73 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 303 | 101 |
| Metformin Hclbrand: Metformin Hcl Er | 147 | 54 |
| Atorvastatin Calcium | 147 | 53 |
| Semaglutidebrand: Ozempic | 143 | 42 |
| Levothyroxine Sodiumbrand: Synthroid | 135 | 41 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 128 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,582 across 75 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
- 2007-04-10
- Last updated
- 2013-08-22
Frequently asked questions
- What is Constantine Kroustos's NPI number?
- Constantine Kroustos's National Provider Identifier (NPI) is 1750404984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constantine Kroustos's specialty?
- Constantine Kroustos is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Constantine Kroustos located?
- Constantine Kroustos's practice location on file with NPPES is 4895 Olentangy River Rd, Columbus, OH 43214-1926.
- What is Constantine Kroustos's phone number?
- The practice phone number listed in the NPPES registry for Constantine Kroustos is (614) 457-7732.
- Does Constantine Kroustos accept Medicare?
- Constantine Kroustos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constantine Kroustos's NPI active?
- Yes — Constantine Kroustos's NPI (1750404984) is active in the NPPES registry as of the last update on 2013-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.