Active NPI 1629029210 Individual Practitioner Male Practitioner

Dr. Ronald Ackermann , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ronald Ackermann, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 29 years of clinical experience since graduating from University Of Wisconsin School Of Medicine in 1997, Dr. Ackermann delivers high-quality medical care to the local community at 675 N SAINT CLAIR ST.

Dr. Ackermann 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, telephone medical discussion with physician, 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

675 N Saint Clair St
Ste. 18-200

Chicago, IL 606115975

Telephone 3126958630

Fax 3126952857

Associated Practice Facility / Clinic

🏢 Northwestern Laser Vision, Llc Facility NPI 1255544995

Medicare Profile & Education

Medical School

University Of Wisconsin School Of Medicine

Graduation Year

1997

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

29 Yrs +7.2 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

56.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ackermann (29 Years) 29 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	36	29	$323.00	$136.56
99443 Telephone medical discussion with physician, 21-30 minutes	28	18	$250.00	$136.18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	21	21	$373.00	$138.92
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$219.00	$96.39

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	46	32	$323.00	$135.73
99443 Telephone medical discussion with physician, 21-30 minutes	28	18	$250.00	$134.41
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$175.00	$96.04

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	54	39	$323.00	$137.27
99443 Telephone medical discussion with physician, 21-30 minutes	36	27	$250.00	$137.41
99442 Telephone medical discussion with physician, 11-20 minutes	35	31	$175.00	$96.94
99213 Established patient office or other outpatient visit, typically 15 minutes	17	15	$219.00	$94.06

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	85	57	$323.00	$139.65
99443 Telephone medical discussion with physician, 21-30 minutes	38	29	$250.00	$140.40

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	68	48	$323.00	$116.63
99443 Telephone medical discussion with physician, 21-30 minutes	53	40	$250.00	$117.57
G0008 Administration of influenza virus vaccine	15	15	$57.00	$17.59
90662 Influenza vaccine split virus, preservative free	12	12	$65.00	$59.46

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	169	93	$323.00	$114.57
99213 Established patient office or other outpatient visit, typically 15 minutes	34	26	$219.00	$79.13
G0008 Administration of influenza virus vaccine	27	26	$57.00	$17.33
90662 Influenza vaccine split virus, preservative free	24	23	$64.17	$54.44

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	192	94	$323.00	$111.26
G0008 Administration of influenza virus vaccine	33	32	$57.00	$21.31
99213 Established patient office or other outpatient visit, typically 15 minutes	33	26	$219.00	$72.35
90662 Influenza vaccine split virus, preservative free	30	30	$45.00	$44.10

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	183	95	$323.00	$112.68
99213 Established patient office or other outpatient visit, typically 15 minutes	45	38	$219.00	$74.57
G0008 Administration of influenza virus vaccine	29	28	$57.00	$26.42
90662 Influenza vaccine split virus, preservative free	25	25	$45.00	$44.10
G0009 Administration of pneumococcal vaccine	13	13	$57.00	$26.42

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036129127

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.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

200459950 (IN)

Commercial Insurance / Payer ID Anthem

000000314314 (IN)

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

4445 W Irving Park Rd, Chicago, IL 606412808

Practice Associates & Co-Workers

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

40 Associated Practitioners

Jennifer Eisenberg , APRN, CNP

Nurse Practitioner

NPI 1003540063

Advanced Practice Registered Nurse, Certified Nurse Practitioner

Dr. Kamari Ositelu , MD

Internal Medicine

NPI 1033613351

Doctor of Medicine (M.D.)

Dr. Jenny Jia , MD

Internal Medicine

NPI 1043605926

Doctor of Medicine (M.D.)

Anessa Anand

Pharmacist

NPI 1053208330

Eliana Geller

Internal Medicine - Geriatric Medicine

NPI 1053816280

Madison Kaiser , PA-C

Physician Assistant

NPI 1083217624

Physician Assistant (Certified)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 28, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 28, 2016

Registered at 675 N SAINT CLAIR ST, STE. 18-200, CHICAGO, IL 606115975 (Tel: 3126958630)

📍

Updated Business Mailing Address July 28, 2016

Registered at 675 N SAINT CLAIR ST, STE. 18-200, CHICAGO, IL 606115975 (Tel: 3126958630)

👤

Provider Name / Credentials Updated July 28, 2016

Recorded as RONALD ACKERMANN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 28, 2016

Internal Medicine (License #036129127 in IL)

🟢

Initial NPI Registration & Enumeration May 16, 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: 1629029210

Entity Type:

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

Enumeration Date: May 16, 2006

Last Update: July 28, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

675 N Saint Clair St, Ste. 18-200

Chicago, IL 606115975

Phone: 3126958630

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.