Christopher Konstantelos, M.D
NPI 1952330243 · Internal Medicine Physician · Chicago, IL
Christopher Konstantelos, M.D is a Internal Medicine Physician provider in Chicago, IL (NPI 1952330243).
Provider details
- NPI number
- 1952330243
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036109629 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
376 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 201 | $135 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 86 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 46 | $139 |
| Admn Sarscov2 Vacc 1 Dose90480 | 30 | $45 |
| Administration of Pneumococcal VaccineG0009 | 13 | $34 |
Typical Medicare-allowed amounts for these services range $9–$139 (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 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 370 | 110 |
| Losartan Potassium | 195 | 56 |
| Amlodipine Besylate | 176 | 52 |
| Levothyroxine Sodium | 116 | 27 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 115 | 13 |
| Omeprazole | 112 | 37 |
| Dolutegravir Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-01
- Last updated
- 2024-12-23
Frequently asked questions
- What is Christopher Konstantelos's NPI number?
- Christopher Konstantelos's National Provider Identifier (NPI) is 1952330243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Konstantelos's specialty?
- Christopher Konstantelos is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Konstantelos located?
- Christopher Konstantelos's practice location on file with NPPES is 5212 N Clark St, Chicago, IL 60640.
- What is Christopher Konstantelos's phone number?
- The practice phone number listed in the NPPES registry for Christopher Konstantelos is (773) 500-0246.
- Is Christopher Konstantelos's NPI active?
- Yes — Christopher Konstantelos's NPI (1952330243) is active in the NPPES registry as of the last update on 2024-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.