Active NPI 1952330243 Individual Practitioner Male Practitioner

Dr. Christopher J Konstantelos , MD

Internal Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. Christopher Konstantelos, MD is a registered healthcare professional specializing in Internal Medicine in Chicago, IL. Practice services are available at 5212 N CLARK ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5212 N Clark St

Chicago, IL 60640

Telephone 7735000246

Fax 7738258299

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.8 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

2969 Specialists

Practicing in Chicago, IL (7544 Statewide)

Telehealth Adoption Rate

12.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	201	106	$323.00	$135.46
36415 Insertion of needle into vein for collection of blood sample	86	62	$20.00	$8.65
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	46	46	$373.00	$138.80
91320 Sarscv2 vac 30mcg trs-suc im	30	30	$197.00	$128.48
90480 Admn sarscov2 vacc 1 dose	30	30	$88.00	$44.94
G0009 Administration of pneumococcal vaccine	13	13	$57.00	$33.70
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	13	13	$397.00	$289.25

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	240	126	$323.00	$134.00
36415 Insertion of needle into vein for collection of blood sample	104	73	$20.00	$8.34
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	80	80	$373.00	$136.97
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	24	$434.00	$190.18
G0009 Administration of pneumococcal vaccine	30	30	$57.00	$32.32
G0008 Administration of influenza virus vaccine	28	28	$57.00	$32.32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	28	28	$397.00	$281.85
90662 Influenza vaccine split virus, preservative free	23	23	$110.00	$71.78
0124A Fee covid-19 vac 13 res	16	16	$70.00	$43.09
91312 Coronavirus vaccine 13	16	16	$0.01	$0.01
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$452.00	$176.19
91320 Sarscv2 vac 30mcg trs-suc im	11	11	$197.00	$128.48
90480 Admn sarscov2 vacc 1 dose	11	11	$88.00	$43.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	205	113	$323.00	$135.56
36415 Insertion of needle into vein for collection of blood sample	114	70	$20.00	$2.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	79	46	$434.00	$192.72
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	74	74	$373.00	$140.06
G0008 Administration of influenza virus vaccine	29	29	$57.00	$31.03
90662 Influenza vaccine split virus, preservative free	24	24	$110.00	$68.54
G0009 Administration of pneumococcal vaccine	24	24	$57.00	$31.28
91305 Sarscov2 vac 30 mcg trs-sucr	23	23	$0.01	$0.01
0054A Intramuscular administration of single severe acute respiratory syndrome coronavirus 2 (covid-19) vaccine, mrna-lnp, spike protein, preservative free, 30 mcg/0.3ml dosage, tris-sucrose formulation; booster dose	23	23	$70.00	$41.30
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$185.00	$131.89
0124A Fee covid-19 vac 13 res	14	14	$70.00	$40.83
91312 Coronavirus vaccine 13	13	13	$0.01	$0.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	208	116	$323.00	$138.66
36415 Insertion of needle into vein for collection of blood sample	165	101	$20.00	$2.99
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	107	53	$434.00	$189.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	43	43	$373.00	$142.37
G0008 Administration of influenza virus vaccine	29	29	$57.00	$17.94
90662 Influenza vaccine split virus, preservative free	26	26	$110.00	$65.26
G0009 Administration of pneumococcal vaccine	23	23	$57.00	$17.92
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$182.78	$125.25
93000 Routine ekg using at least 12 leads including interpretation and report	18	17	$140.00	$16.16
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$562.00	$179.67

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	183	97	$20.00	$2.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	151	100	$323.00	$116.68
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	117	69	$434.00	$156.91
99443 Telephone medical discussion with physician, 21-30 minutes	64	53	$250.00	$116.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	43	43	$373.00	$124.69
G0008 Administration of influenza virus vaccine	42	40	$57.00	$17.63
90662 Influenza vaccine split virus, preservative free	35	33	$65.00	$59.94
G0009 Administration of pneumococcal vaccine	21	21	$57.00	$17.58
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$165.00	$117.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	275	121	$20.00	$2.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	227	112	$323.00	$115.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	148	74	$434.00	$153.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	50	50	$373.00	$123.83
G0008 Administration of influenza virus vaccine	38	37	$57.00	$17.33
90662 Influenza vaccine split virus, preservative free	26	25	$63.46	$54.06
93000 Routine ekg using at least 12 leads including interpretation and report	25	22	$140.00	$18.35
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$219.00	$79.16
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$30.00	$18.65
G0009 Administration of pneumococcal vaccine	12	12	$57.00	$17.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	311	127	$323.00	$111.92
36415 Insertion of needle into vein for collection of blood sample	276	129	$20.51	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	126	79	$434.00	$152.14
G0008 Administration of influenza virus vaccine	75	73	$57.00	$21.31
90662 Influenza vaccine split virus, preservative free	58	57	$45.00	$44.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	46	46	$373.00	$122.51
99213 Established patient office or other outpatient visit, typically 15 minutes	36	34	$219.00	$76.81
93000 Routine ekg using at least 12 leads including interpretation and report	19	18	$140.00	$18.11
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	16	$25.00	$18.65
G0009 Administration of pneumococcal vaccine	15	15	$57.00	$21.31
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$165.00	$105.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	389	131	$323.00	$108.79
G0008 Administration of influenza virus vaccine	72	71	$57.00	$26.42
36415 Insertion of needle into vein for collection of blood sample	59	46	$20.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	58	42	$434.00	$148.06
90662 Influenza vaccine split virus, preservative free	53	52	$45.00	$44.02
G0009 Administration of pneumococcal vaccine	40	40	$57.00	$26.42
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	33	11	$1.00	$0.05
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	30	30	$373.00	$115.49
99213 Established patient office or other outpatient visit, typically 15 minutes	29	28	$219.00	$74.90
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	21	21	$165.00	$93.13
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	19	19	$25.00	$18.65
90670 Pneumococcal vaccine for injection into muscle	19	19	$343.00	$185.80
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$140.00	$17.57
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	14	14	$562.00	$173.86
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$452.00	$167.51
94640 Inhalation treatment for airway obstruction or sputum production	11	11	$75.00	$18.80

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036109629

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Susan Alt , MD

Internal Medicine

NPI 1255384277

Doctor of Medicine (M.D.)

Dr. Lorrie Elliott , MD

Internal Medicine

NPI 1265474191

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

9 Historical Events

📍

Updated Practice Location December 23, 2024

Registered at 5212 N CLARK ST, CHICAGO, IL 60640 (Tel: 7735000246)

📍

Updated Business Mailing Address December 23, 2024

Registered at 5212 N CLARK ST, CHICAGO, IL 60640 (Tel: 7735000246)

👤

Provider Name / Credentials Updated December 23, 2024

Recorded as CHRISTOPHER KONSTANTELOS, M.D

✅

NPI Profile Active September 30, 2011

NPI status registered as active in NPPES database

📍

Updated Practice Location September 30, 2011

Registered at 680 N LAKE SHORE DR, SUITE 818, CHICAGO, IL 606114546 (Tel: 3129263627)

📍

Updated Business Mailing Address September 30, 2011

Registered at 680 N LAKE SHORE DR, SUITE 818, CHICAGO, IL 606114546

👤

Provider Name / Credentials Updated September 30, 2011

Recorded as CHRISTOPHER KONSTANTELOS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 30, 2011

Internal Medicine (License #036109629 in IL)

🟢

Initial NPI Registration & Enumeration July 01, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1952330243

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 01, 2006

Last Update: December 23, 2024

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

5212 N Clark St

Chicago, IL 60640

Phone: 7735000246

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.