Active NPI 1144267626 Individual Practitioner Female Practitioner

Dr. Marilyn G Pearson , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Marilyn Pearson, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 49 years of clinical experience since graduating from Boston University School Of Medicine in 1977, Dr. Pearson delivers high-quality medical care to the local community at 20 S CLARK STREET.

Dr. Pearson is affiliated with Northwestern Medical Faculty Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report, administration of influenza virus vaccine. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

20 S Clark Street
11th Floor

Chicago, IL 60603

Telephone 3129263627

Associated Practice Facility / Clinic

🏢 Kaminska Dermatology Facility NPI 1093377731

Medicare Profile & Education

Medical School

Boston University School Of Medicine

Graduation Year

1977

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

49 Yrs +27.2 yrs vs City Avg

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

✓ Offers Virtual Consultations

Medicare Pricing Discount

57.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Pearson (49 Years) 49 Yrs

Chicago Specialty Average (21.8 Years) 21.8 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	82	80	$323.00	$135.05
99213 Established patient office or other outpatient visit, typically 15 minutes	25	24	$219.00	$97.02
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$140.00	$14.93
G0008 Administration of influenza virus vaccine	13	13	$57.00	$33.70
90662 Influenza vaccine split virus, preservative free	13	13	$110.00	$81.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	63	55	$219.00	$94.66
36415 Insertion of needle into vein for collection of blood sample	47	43	$20.00	$8.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	44	$323.00	$133.20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	43	43	$373.00	$136.97
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	13	13	$397.00	$279.54
G0009 Administration of pneumococcal vaccine	13	13	$57.00	$32.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	119	$219.00	$97.62
36415 Insertion of needle into vein for collection of blood sample	142	122	$20.00	$2.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	134	95	$323.00	$137.08
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	127	127	$373.00	$139.95
G0008 Administration of influenza virus vaccine	38	38	$57.00	$31.03
90662 Influenza vaccine split virus, preservative free	36	36	$110.00	$68.54
99442 Telephone medical discussion with physician, 11-20 minutes	29	27	$175.00	$96.94
99443 Telephone medical discussion with physician, 21-30 minutes	21	19	$250.00	$137.54
0124A Fee covid-19 vac 13 res	19	19	$70.00	$40.83
G0009 Administration of pneumococcal vaccine	18	18	$57.00	$31.19
91312 Coronavirus vaccine 13	17	17	$0.01	$0.01
91305 Sarscov2 vac 30 mcg trs-sucr	15	13	$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	13	13	$70.00	$41.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$132.00	$61.23
93000 Routine ekg using at least 12 leads including interpretation and report	11	11	$140.00	$15.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	199	151	$20.00	$3.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	179	121	$323.00	$139.59
99213 Established patient office or other outpatient visit, typically 15 minutes	97	83	$219.00	$97.77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	80	80	$373.00	$142.37
G0008 Administration of influenza virus vaccine	39	37	$57.00	$17.91
90662 Influenza vaccine split virus, preservative free	32	31	$104.38	$64.72
99442 Telephone medical discussion with physician, 11-20 minutes	24	22	$175.00	$99.21
99443 Telephone medical discussion with physician, 21-30 minutes	24	18	$250.00	$140.28
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	19	19	$132.00	$57.99
93000 Routine ekg using at least 12 leads including interpretation and report	18	18	$140.00	$16.16
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	13	$434.00	$195.49
G0009 Administration of pneumococcal vaccine	13	13	$57.00	$17.94
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$183.18	$125.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	195	151	$20.00	$2.98
99213 Established patient office or other outpatient visit, typically 15 minutes	125	97	$219.00	$80.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	91	$323.00	$116.47
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	76	76	$373.00	$124.64
99442 Telephone medical discussion with physician, 11-20 minutes	70	58	$175.00	$81.07
G0008 Administration of influenza virus vaccine	58	57	$57.00	$17.64
90662 Influenza vaccine split virus, preservative free	47	47	$65.00	$60.20
99443 Telephone medical discussion with physician, 21-30 minutes	36	30	$250.00	$117.00
G0009 Administration of pneumococcal vaccine	34	34	$57.00	$17.59
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	27	27	$165.00	$118.74
93000 Routine ekg using at least 12 leads including interpretation and report	11	11	$140.00	$18.60

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	238	141	$323.00	$114.95
36415 Insertion of needle into vein for collection of blood sample	238	172	$20.00	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	132	104	$219.00	$79.14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	62	62	$373.00	$123.83
G0008 Administration of influenza virus vaccine	44	44	$57.00	$17.33
90662 Influenza vaccine split virus, preservative free	37	37	$63.92	$54.31
93000 Routine ekg using at least 12 leads including interpretation and report	33	33	$140.00	$18.35
G0009 Administration of pneumococcal vaccine	30	30	$57.00	$17.33
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	16	$434.00	$155.47
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$165.00	$109.55
90670 Pneumococcal vaccine for injection into muscle	14	14	$343.00	$208.88
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	14	14	$562.00	$182.93

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	242	143	$323.00	$113.46
36415 Insertion of needle into vein for collection of blood sample	212	164	$20.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	153	108	$219.00	$76.64
G0008 Administration of influenza virus vaccine	63	63	$57.00	$21.31
90662 Influenza vaccine split virus, preservative free	58	58	$45.00	$44.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	55	55	$373.00	$122.51
G0009 Administration of pneumococcal vaccine	23	23	$57.00	$21.31
93000 Routine ekg using at least 12 leads including interpretation and report	19	19	$140.00	$18.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$505.00	$175.76
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	16	16	$165.00	$105.59
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	11	$434.00	$153.28
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$562.00	$180.46

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	210	133	$323.00	$113.31
99213 Established patient office or other outpatient visit, typically 15 minutes	177	116	$219.00	$76.72
G0008 Administration of influenza virus vaccine	49	48	$57.00	$26.42
G0009 Administration of pneumococcal vaccine	42	42	$57.00	$26.42
90662 Influenza vaccine split virus, preservative free	37	36	$45.00	$43.98
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	33	33	$373.00	$121.54
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	31	31	$562.00	$179.24
90670 Pneumococcal vaccine for injection into muscle	29	29	$343.00	$186.05
93000 Routine ekg using at least 12 leads including interpretation and report	19	18	$140.00	$18.10
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$132.00	$46.29
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	13	13	$165.00	$94.86
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	12	12	$25.00	$18.65

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036057152

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.

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

680 N Lake Shore Dr, Chicago, IL 606118700

Phone: 3129266146

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Allison Donovan , MD

Family Medicine

NPI 1003374141

Doctor of Medicine (M.D.)

Harrison Garcia

Student in an Organized Health Care Education/Training Program

NPI 1003683699

Dr. Rebekah Osgood , MD

Obstetrics & Gynecology

NPI 1013146596

Doctor of Medicine (M.D.)

Dr. Cara Garretson , MD

Dermatology

NPI 1033249677

Doctor of Medicine (M.D.)

Dr. Veronica Johnson , MD

Internal Medicine

NPI 1033536412

Doctor of Medicine (M.D.)

Dr. Sruthi Sathyakumar , MD

Family Medicine - Adult Medicine

NPI 1063090173

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active August 03, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location August 03, 2015

Registered at 20 S CLARK STREET, 11TH FLOOR, CHICAGO, IL 60603 (Tel: 3129263627)

📍

Updated Business Mailing Address August 03, 2015

Registered at 680 N LAKE SHORE DRIVE, SUITE 1000, CHICAGO, IL 60611 (Tel: 3129263627)

👤

Provider Name / Credentials Updated August 03, 2015

Recorded as MARILYN PEARSON, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 03, 2015

Internal Medicine (License #036057152 in IL)

🟢

Initial NPI Registration & Enumeration June 01, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1144267626

Entity Type:

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

Enumeration Date: June 01, 2006

Last Update: August 03, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

680 N Lake Shore Drive, Suite 1000

Chicago, IL 60611

Phone: 3129263627

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.