Active NPI 1003100629 Individual Practitioner Female Practitioner

Dr. Diane Marie Heidmann , MD

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Diane Heidmann, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 15 years of clinical experience since graduating from Rush Medical College Of Rush University in 2011, Dr. Heidmann delivers high-quality medical care to the local community at 259 E ERIE ST.

Dr. Heidmann maintains professional affiliations with Northwestern Medical Faculty Foundation, Chesterton Physical Therapy Inc 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, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, 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

259 E Erie St
Suite 2230

Chicago, IL 606112987

Telephone 3129266000

Fax 3129268267

Associated Practice Facility / Clinic

🏢 Northwestern Medical Faculty Foundation Facility NPI 1376961524

Medicare Profile & Education

Medical School

Rush Medical College Of Rush University

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -6.8 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

55.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Heidmann (15 Years) 15 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	483	246	$323.00	$135.49
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	202	111	$88.00	$17.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	154	154	$373.00	$138.84
G0008 Administration of influenza virus vaccine	68	66	$57.00	$33.70
90662 Influenza vaccine split virus, preservative free	66	64	$110.00	$81.22
90480 Admn sarscov2 vacc 1 dose	54	50	$88.00	$44.94
91320 Sarscv2 vac 30mcg trs-suc im	54	50	$204.33	$144.68
99213 Established patient office or other outpatient visit, typically 15 minutes	46	45	$219.00	$94.51
93000 Routine ekg using at least 12 leads including interpretation and report	43	39	$140.00	$15.39
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	29	$434.00	$192.97
G0009 Administration of pneumococcal vaccine	15	15	$57.00	$33.70
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	14	14	$397.00	$287.49
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$562.00	$176.84
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	$177.18

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	473	256	$323.00	$134.73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	152	152	$373.00	$136.07
G0008 Administration of influenza virus vaccine	55	55	$57.00	$32.32
93000 Routine ekg using at least 12 leads including interpretation and report	50	49	$140.00	$15.57
90662 Influenza vaccine split virus, preservative free	50	50	$110.00	$71.86
99213 Established patient office or other outpatient visit, typically 15 minutes	49	43	$219.00	$96.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	36	$434.00	$190.19
G0009 Administration of pneumococcal vaccine	36	36	$57.00	$32.32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	31	31	$397.00	$282.11
0124A Fee covid-19 vac 13 res	18	18	$70.00	$43.09
91312 Coronavirus vaccine 13	18	18	$0.01	$0.01
91320 Sarscv2 vac 30mcg trs-suc im	14	14	$197.00	$128.48
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$452.00	$176.19
90480 Admn sarscov2 vacc 1 dose	14	14	$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	400	220	$323.00	$136.79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	89	89	$373.00	$139.61
93000 Routine ekg using at least 12 leads including interpretation and report	62	54	$140.00	$15.60
99213 Established patient office or other outpatient visit, typically 15 minutes	57	51	$219.00	$95.31
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	54	44	$434.00	$194.86
G0008 Administration of influenza virus vaccine	52	52	$57.00	$31.07
90662 Influenza vaccine split virus, preservative free	47	47	$110.00	$68.33
G0009 Administration of pneumococcal vaccine	39	39	$57.00	$31.17
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	22	22	$185.00	$131.59
91305 Sarscov2 vac 30 mcg trs-sucr	20	20	$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	20	20	$70.00	$41.20
99442 Telephone medical discussion with physician, 11-20 minutes	16	15	$175.00	$97.33
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	15	15	$430.93	$278.24
0124A Fee covid-19 vac 13 res	14	14	$70.00	$40.83
91312 Coronavirus vaccine 13	14	14	$0.01	$0.01
99443 Telephone medical discussion with physician, 21-30 minutes	12	12	$250.00	$137.05

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	266	151	$323.00	$138.73
G0008 Administration of influenza virus vaccine	64	64	$57.00	$17.94
90662 Influenza vaccine split virus, preservative free	56	56	$109.20	$65.18
93000 Routine ekg using at least 12 leads including interpretation and report	56	52	$140.00	$16.16
99213 Established patient office or other outpatient visit, typically 15 minutes	48	44	$219.00	$98.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$373.00	$142.37
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	21	$434.00	$195.43
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$505.00	$181.98
G0009 Administration of pneumococcal vaccine	24	24	$57.00	$17.91
99443 Telephone medical discussion with physician, 21-30 minutes	19	16	$250.00	$140.28
90670 Pneumococcal vaccine for injection into muscle	15	15	$343.00	$239.88

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	179	118	$323.00	$116.36
99443 Telephone medical discussion with physician, 21-30 minutes	62	48	$250.00	$115.61
G0008 Administration of influenza virus vaccine	56	56	$57.00	$17.67
90662 Influenza vaccine split virus, preservative free	50	50	$65.00	$60.86
99213 Established patient office or other outpatient visit, typically 15 minutes	36	34	$219.00	$81.37
93000 Routine ekg using at least 12 leads including interpretation and report	32	29	$140.00	$18.15
99442 Telephone medical discussion with physician, 11-20 minutes	24	20	$175.00	$81.17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	24	24	$373.00	$124.89
G0009 Administration of pneumococcal vaccine	16	16	$57.00	$17.66
90670 Pneumococcal vaccine for injection into muscle	11	11	$343.00	$228.34

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	308	194	$323.00	$114.70
93000 Routine ekg using at least 12 leads including interpretation and report	54	50	$140.00	$18.35
G0008 Administration of influenza virus vaccine	54	53	$57.00	$17.33
90662 Influenza vaccine split virus, preservative free	49	48	$63.37	$54.01
99213 Established patient office or other outpatient visit, typically 15 minutes	47	44	$219.00	$77.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	26	26	$373.00	$123.83
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$505.00	$176.83
G0009 Administration of pneumococcal vaccine	16	16	$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	15	13	$434.00	$155.45

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	221	126	$323.00	$112.66
99213 Established patient office or other outpatient visit, typically 15 minutes	82	67	$219.00	$76.95
G0008 Administration of influenza virus vaccine	47	46	$57.00	$21.31
90662 Influenza vaccine split virus, preservative free	39	38	$45.00	$44.10
93000 Routine ekg using at least 12 leads including interpretation and report	37	35	$140.00	$18.11
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	25	25	$373.00	$122.51
G0009 Administration of pneumococcal vaccine	15	15	$57.00	$21.31
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$505.00	$163.37

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	254	144	$323.00	$112.33
G0008 Administration of influenza virus vaccine	51	50	$57.00	$26.42
99213 Established patient office or other outpatient visit, typically 15 minutes	47	46	$219.00	$74.89
90662 Influenza vaccine split virus, preservative free	40	39	$45.00	$43.71
G0009 Administration of pneumococcal vaccine	28	28	$57.00	$26.42
93000 Routine ekg using at least 12 leads including interpretation and report	28	26	$140.00	$18.13
90670 Pneumococcal vaccine for injection into muscle	22	22	$343.00	$185.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$505.00	$175.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	11	$434.00	$152.69
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	12	12	$373.00	$121.54
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	11	11	$25.00	$18.65

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036135078

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 125-059287

Hospital & Practice Group Affiliations

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 3129266000

Northwestern Medical Faculty Foundation

660 N Westmoreland Rd, Lake Forest, IL 600451673

Phone: 3129266146

Northwestern Medical Faculty Foundation

636 Raymond Dr, Naperville, IL 605639789

Phone: 6304162300

Chesterton Physical Therapy Inc

425 Sand Creek Dr, Chesterton, IN 463041589

Northwestern Medical Faculty Foundation

4732 N Lincoln Ave, Chicago, IL 606258561

Phone: 8474752273

Northwestern Medical Faculty Foundation

870 N Milwaukee Ave, Vernon Hills, IL 600611521

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

1333 W Belmont Ave, Chicago, IL 606575785

Northwestern Medical Faculty Foundation

4445 W Irving Park Rd, Chicago, IL 606412808

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Practice Associates & Co-Workers

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

40 Associated Practitioners

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NPI 1023001542

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Dr. Curt Krevitz , DPM

Podiatrist

NPI 1053306076

Doctor of Podiatric Medicine

Dr. Frances Langdon , MD

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NPI 1063405546

Doctor of Medicine (M.D.)

Dr. Jordan Maddox , DO

Family Medicine

NPI 1073142832

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active May 12, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location May 12, 2016

Registered at 259 E ERIE ST, SUITE 2230, CHICAGO, IL 606112987 (Tel: 3129266000)

📍

Updated Business Mailing Address May 12, 2016

Registered at 259 E ERIE ST, SUITE 2230, CHICAGO, IL 606112987 (Tel: 3129266000)

👤

Provider Name / Credentials Updated May 12, 2016

Recorded as DIANE HEIDMANN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 12, 2016

Internal Medicine (License #036135078 in IL)

🟢

Initial NPI Registration & Enumeration May 31, 2011

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: 1003100629

Entity Type:

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

Enumeration Date: May 31, 2011

Last Update: May 12, 2016

Sole Proprietor: No

Update or Correct Profile

Mailing Address

259 E Erie St, Suite 2230

Chicago, IL 606112987

Phone: 3129266000

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

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