Physician Profile
Demetrios J. Giokaris, MD practices internal medicine in Chicago, IL. Medicare claims data shows Demetrios provided 3,128 services to 825 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes, and blood glucose (sugar) test performed by hand-held instrument. The provider's National Provider Identifier (NPI) is 1871501825.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4921 N WESTERN AVENUE
Chicago, IL 60625
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
3,128 services · 825 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
458 | As often as other peers in Internal Medicine |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | Treatment | 97112 |
268 | As often as other peers in Internal Medicine |
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
239 | As often as other peers in Internal Medicine |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
93 | More often than most peers in Internal Medicine |
| Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | Drug given | J7321 |
46 | Less often than most peers in Internal Medicine |
| Injection, depo-estradiol cypionate, up to 5 mg | Drug given | J1000 |
29 | Too few peers to compare |
| Injection, lidocaine hcl for intravenous infusion, 10 mg | Drug given | J2001 |
27 | As often as other peers in Internal Medicine |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
14 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
752 | More than most peers in Internal Medicine |
| Blood glucose (sugar) test performed by hand-held instrument | Lab test | 82962 |
435 | More than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Giokaris is an internist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Giokaris is listed at 4921 N Western Avenue, Chicago, IL 60625. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (773) 784-9669. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Giokaris's National Provider Identifier is 1871501825. 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
Dr. Giokaris has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
According to Medicare billing data, Dr. Giokaris provides treatments such as therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes and therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Giokaris. If this is you, claiming it is free.
Guide.md
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