Active NPI 1295768778 Individual Practitioner Male Practitioner

Dr. Prasun K Das , MD

Internal Medicine • Aurora, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Prasun Das, MD is a certified Internal Medicine practicing in Aurora, IL. With approximately 33 years of clinical experience since completing medical education in 1993, Dr. Das delivers high-quality medical care to the local community at 2285 SEQUOIA DR.

Dr. Das is affiliated with Advocate Health And Hospitals Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, insertion of needle into vein for collection of blood sample, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2285 Sequoia Dr

Aurora, IL 605066209

Telephone 6308597274

Associated Practice Facility / Clinic

🏢 Dreyer Clinic, Inc. Facility NPI 1184718355

Medicare Profile & Education

Medical School

Other

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Aurora, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs +5.4 yrs vs City Avg

City Avg: 27.6 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

45 Specialists

Practicing in Aurora, IL (7544 Statewide)

Telehealth Adoption Rate

28.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Das (33 Years) 33 Yrs

Aurora Specialty Average (27.6 Years) 27.6 Yrs

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	448	414	$285.86	$130.73
36415 Insertion of needle into vein for collection of blood sample	130	129	$20.18	$8.65
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	82	82	$370.00	$170.70
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	77	75	$129.49	$68.88
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$253.05	$115.37
99213 Established patient office or other outpatient visit, typically 15 minutes	36	35	$201.50	$90.85
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	35	35	$53.23	$16.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	33	33	$394.00	$185.86
81002 Urinalysis, manual test	19	18	$23.00	$3.28
93000 Routine ekg using at least 12 leads including interpretation and report	17	17	$82.00	$14.85
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	14	14	$75.00	$34.62
71046 X-ray of chest, 2 views	14	14	$104.00	$24.20
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	11	11	$165.00	$50.28

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	574	528	$260.19	$130.42
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	69	69	$130.00	$29.53
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	62	60	$364.23	$182.10
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	50	49	$75.00	$34.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$368.78	$165.97
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	30	30	$49.00	$16.20
81002 Urinalysis, manual test	23	22	$23.00	$3.41
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$82.00	$15.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$237.00	$117.82
36415 Insertion of needle into vein for collection of blood sample	12	11	$22.00	$8.40

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	630	587	$235.57	$131.54
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	114	113	$70.00	$34.30
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	42	42	$332.00	$186.27
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	39	39	$130.00	$30.32
81002 Urinalysis, manual test	33	33	$23.00	$3.44
87804 Detection test by immunoassay with direct visual observation for influenza virus	30	15	$80.00	$16.36
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	21	20	$49.00	$16.31
99213 Established patient office or other outpatient visit, typically 15 minutes	19	19	$174.95	$89.18
93000 Routine ekg using at least 12 leads including interpretation and report	16	16	$82.00	$15.24
69209 Removal of impacted ear wax by washing	11	11	$188.18	$21.75

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	543	514	$256.98	$130.92
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	238	238	$68.00	$22.26
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	82	81	$70.00	$34.47
36415 Insertion of needle into vein for collection of blood sample	70	70	$20.00	$3.00
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	51	50	$320.69	$191.10
99213 Established patient office or other outpatient visit, typically 15 minutes	44	44	$187.52	$86.61
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	27	27	$165.00	$51.31
81003 Automated urinalysis test	24	24	$16.21	$2.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$372.14	$167.86
93000 Routine ekg using at least 12 leads including interpretation and report	22	22	$89.91	$15.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$249.63	$115.13
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	15	15	$58.87	$16.53
71046 X-ray of chest, 2 views	11	11	$104.00	$22.51

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	435	414	$238.00	$110.21
36415 Insertion of needle into vein for collection of blood sample	328	310	$20.00	$2.99
G0008 Administration of influenza virus vaccine	66	66	$44.39	$17.70
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	54	54	$36.87	$19.22
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	49	49	$70.00	$33.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$238.13	$105.55
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	40	$309.85	$149.75
99213 Established patient office or other outpatient visit, typically 15 minutes	36	36	$186.17	$62.47
85610 Blood test, clotting time	32	22	$29.00	$4.24
71046 X-ray of chest, 2 views	31	30	$104.00	$23.34
87804 Detection test by immunoassay with direct visual observation for influenza virus	28	14	$80.00	$14.22
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	26	26	$95.00	$9.32
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	25	25	$67.60	$23.64
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$365.88	$159.06
81003 Automated urinalysis test	14	14	$16.71	$2.25
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	14	14	$59.57	$15.48
90662 Influenza vaccine split virus, preservative free	13	13	$65.00	$60.98
93000 Routine ekg using at least 12 leads including interpretation and report	11	11	$92.55	$17.94

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	429	407	$222.61	$111.98
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	91	91	$351.19	$169.99
36415 Insertion of needle into vein for collection of blood sample	74	74	$20.11	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	55	54	$307.40	$149.06
99213 Established patient office or other outpatient visit, typically 15 minutes	36	36	$171.11	$64.22
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$82.00	$18.08
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	16	16	$53.63	$16.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$228.39	$105.04
81003 Automated urinalysis test	12	12	$17.25	$2.44
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$427.00	$219.28

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	620	590	$193.60	$106.85
81001 Manual urinalysis test with examination using microscope, automated	57	55	$27.00	$3.78
87086 Bacterial colony count, urine	53	53	$54.08	$9.58
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	45	$287.92	$151.69
99213 Established patient office or other outpatient visit, typically 15 minutes	41	40	$133.21	$65.52
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	39	37	$53.33	$10.20
87088 Bacterial urine culture	39	37	$54.00	$9.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$215.63	$102.34
93000 Routine ekg using at least 12 leads including interpretation and report	20	20	$70.30	$18.04
G0008 Administration of influenza virus vaccine	17	17	$41.71	$21.46
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	15	15	$35.00	$18.65
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	13	13	$46.92	$15.17
87804 Detection test by immunoassay with direct visual observation for influenza virus	11	11	$46.00	$16.22
36415 Insertion of needle into vein for collection of blood sample	11	11	$22.00	$2.94

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	576	542	$190.01	$108.46
99213 Established patient office or other outpatient visit, typically 15 minutes	56	56	$129.04	$64.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	55	55	$206.40	$105.32
81001 Manual urinalysis test with examination using microscope, automated	43	41	$27.00	$4.26
87086 Bacterial colony count, urine	43	41	$53.00	$10.85
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	39	31	$53.00	$11.62
87088 Bacterial urine culture	37	30	$53.00	$10.88
93000 Routine ekg using at least 12 leads including interpretation and report	23	23	$69.00	$18.01
J7030 Infusion, normal saline solution , 1000 cc	19	19	$3.00	$2.04
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$299.67	$128.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$282.86	$146.36
36415 Insertion of needle into vein for collection of blood sample	13	13	$22.00	$2.94
94640 Inhalation treatment for airway obstruction or sputum production	13	13	$60.00	$19.56
87804 Detection test by immunoassay with direct visual observation for influenza virus	12	12	$46.00	$16.11

Medical Specialties & State Licenses

CMS Verified: 2025-04-24

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-093459

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License IL 036093459

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036093459 (IL)

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

2285 Sequoia Dr, Aurora, IL 605066209

Phone: 6308596800

Advocate Health And Hospitals Corporation

486 Randall Rd, South Elgin, IL 601773354

Phone: 2247835000

Practice Associates & Co-Workers

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

8 Associated Practitioners

Dr. Keith Weiler , MD

Family Medicine

NPI 1184733321

Doctor of Medicine (M.D.)

Dr. Mark Bowman , DO

Family Medicine

NPI 1194750075

Doctor of Osteopathic Medicine (D.O.)

Dr. Robert Ireland , MD

Family Medicine

NPI 1235154337

Doctor of Medicine (M.D.)

Dr. Sindhu Pazhampally , DPT

Physical Therapist

NPI 1316704992

Doctor of Physical Therapy

Dr. Michael Collins , MD

Internal Medicine

NPI 1366467680

Doctor of Medicine (M.D.)

Dr. Richard Puls , MD

Family Medicine

NPI 1407818230

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Business Mailing Address April 24, 2025

Registered at 28594 NETWORK PL, CHICAGO, IL 606731285

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 24, 2025

Internal Medicine (License #036093459 in IL)

✅

NPI Profile Active July 11, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 11, 2016

Registered at 2285 SEQUOIA DR, AURORA, IL 605066209 (Tel: 6308597274)

📍

Updated Business Mailing Address July 11, 2016

Registered at 2357 SEQUOIA DR, AURORA, IL 605066222 (Tel: 6308597274)

👤

Provider Name / Credentials Updated July 11, 2016

Recorded as PRASUN DAS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 11, 2016

Internal Medicine (License #036-093459 in IL)

🟢

Initial NPI Registration & Enumeration July 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1295768778

Entity Type:

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

Enumeration Date: July 08, 2006

Last Update: April 24, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

28594 Network Pl

Chicago, IL 606731285

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

⚠️ Medical Disclaimer

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