Active NPI 1891728010 Individual Practitioner Male Practitioner

Dr. Linus Ema , DO

Internal Medicine • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Linus Ema, DO is a certified Internal Medicine practicing in Chicago, IL. With approximately 37 years of clinical experience since completing medical education in 1989, Dr. Ema delivers high-quality medical care to the local community at 2535 S KING DR.

Dr. Ema is affiliated with Advocate Health And Hospitals Corporation 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, insertion of needle into vein for collection of blood sample, anticoagulant management of patient taking warfarin. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2535 S King Dr

Chicago, IL 606164746

Telephone 3128427117

Associated Practice Facility / Clinic

🏢 Advocate Health Centers, Inc. Facility NPI 1639111933

Medicare Profile & Education

Medical School

Other

Graduation Year

1989

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

37 Yrs +15.2 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

51.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ema (37 Years) 37 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	255	93	$278.67	$129.29
36415 Insertion of needle into vein for collection of blood sample	165	79	$22.00	$8.60
93793 Anticoagulant management of patient taking warfarin	57	16	$26.00	$11.62
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$332.00	$130.51
90662 Influenza vaccine split virus, preservative free	40	39	$125.00	$76.99
G0008 Administration of influenza virus vaccine	38	37	$60.00	$33.70
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	28	13	$67.00	$23.62
82962 Blood glucose (sugar) test performed by hand-held instrument	23	16	$22.00	$3.21
91322 Sarscov2 vac 50 mcg/0.5ml im	22	22	$250.00	$158.42
90480 Admn sarscov2 vacc 1 dose	22	22	$85.00	$44.94
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$198.00	$93.86

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	273	97	$258.72	$132.70
36415 Insertion of needle into vein for collection of blood sample	159	79	$22.00	$8.35
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	60	60	$316.00	$131.61
93793 Anticoagulant management of patient taking warfarin	46	14	$26.00	$11.90
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	38	18	$63.00	$23.99
G0008 Administration of influenza virus vaccine	37	35	$54.05	$32.31
90662 Influenza vaccine split virus, preservative free	36	34	$110.47	$71.55
82962 Blood glucose (sugar) test performed by hand-held instrument	17	12	$22.00	$3.21
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$82.00	$15.30

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	265	97	$235.00	$134.15
36415 Insertion of needle into vein for collection of blood sample	176	81	$22.00	$2.93
85610 Blood test, clotting time	109	23	$34.00	$4.20
93793 Anticoagulant management of patient taking warfarin	91	27	$26.00	$11.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	50	50	$316.00	$137.15
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	50	20	$63.00	$24.44
G0008 Administration of influenza virus vaccine	42	42	$41.00	$31.09
90662 Influenza vaccine split virus, preservative free	38	38	$73.00	$68.19
82962 Blood glucose (sugar) test performed by hand-held instrument	18	15	$22.00	$3.23
93000 Routine ekg using at least 12 leads including interpretation and report	16	16	$82.00	$15.39
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$161.00	$89.93

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	291	100	$223.78	$137.54
36415 Insertion of needle into vein for collection of blood sample	160	82	$22.00	$2.99
93793 Anticoagulant management of patient taking warfarin	61	14	$26.00	$12.10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	57	57	$316.00	$136.11
G0008 Administration of influenza virus vaccine	53	53	$41.00	$17.94
90662 Influenza vaccine split virus, preservative free	49	49	$73.00	$65.17
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	35	11	$63.00	$24.12
93000 Routine ekg using at least 12 leads including interpretation and report	23	21	$82.00	$16.05
99213 Established patient office or other outpatient visit, typically 15 minutes	15	12	$153.00	$97.92
G0009 Administration of pneumococcal vaccine	11	11	$41.00	$17.87

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	300	115	$211.90	$114.41
36415 Insertion of needle into vein for collection of blood sample	158	95	$22.00	$2.93
85610 Blood test, clotting time	92	11	$34.00	$4.26
93793 Anticoagulant management of patient taking warfarin	61	11	$26.00	$12.47
G0008 Administration of influenza virus vaccine	57	55	$41.00	$17.65
90662 Influenza vaccine split virus, preservative free	55	53	$69.22	$59.21
99443 Telephone medical discussion with physician, 21-30 minutes	48	44	$146.00	$115.07
G0009 Administration of pneumococcal vaccine	17	16	$41.00	$17.64
93000 Routine ekg using at least 12 leads including interpretation and report	13	11	$82.00	$18.39
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	12	12	$156.58	$119.92

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	366	119	$203.00	$114.41
36415 Insertion of needle into vein for collection of blood sample	174	89	$22.00	$2.92
85610 Blood test, clotting time	146	12	$34.00	$4.28
93793 Anticoagulant management of patient taking warfarin	65	11	$26.00	$12.75
90662 Influenza vaccine split virus, preservative free	40	40	$69.35	$54.89
G0008 Administration of influenza virus vaccine	39	39	$41.00	$17.33
G0009 Administration of pneumococcal vaccine	31	31	$41.00	$17.33
90670 Pneumococcal vaccine for injection into muscle	21	21	$318.00	$211.02
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$82.00	$18.24
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	14	14	$316.00	$122.92
99213 Established patient office or other outpatient visit, typically 15 minutes	14	11	$136.00	$78.93

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	368	123	$194.84	$112.93
36415 Insertion of needle into vein for collection of blood sample	206	98	$15.32	$2.94
93793 Anticoagulant management of patient taking warfarin	50	11	$26.00	$12.61
G0008 Administration of influenza virus vaccine	34	34	$41.00	$21.31
90662 Influenza vaccine split virus, preservative free	31	31	$64.35	$52.30
77067 Screening mammography	28	28	$400.00	$103.18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	27	27	$228.00	$118.34
77063 Screening digital tomography of both breasts	26	26	$100.00	$25.90
G0009 Administration of pneumococcal vaccine	15	15	$41.00	$21.31
90670 Pneumococcal vaccine for injection into muscle	14	14	$318.00	$199.26

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	393	128	$183.93	$111.98
36415 Insertion of needle into vein for collection of blood sample	205	104	$13.00	$2.91
G0008 Administration of influenza virus vaccine	53	53	$41.00	$26.42
90662 Influenza vaccine split virus, preservative free	52	52	$60.00	$47.93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$228.00	$121.54
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	42	13	$49.00	$26.54
G0202 Screening mammography, bilateral (2-view study of each breast), including computer-aided detection (cad) when performed	36	36	$400.00	$102.35
77063 Screening digital tomography of both breasts	28	28	$100.00	$25.87
G0009 Administration of pneumococcal vaccine	17	17	$41.00	$26.42
90670 Pneumococcal vaccine for injection into muscle	15	15	$318.00	$188.79
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	15	15	$345.00	$179.24
93000 Routine ekg using at least 12 leads including interpretation and report	14	14	$78.00	$18.10
71020 X-ray of chest, 2 views, front and side	14	14	$105.00	$17.93

Medical Specialties & State Licenses

CMS Verified: 2025-02-19

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-087190

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

Advocate Health And Hospitals Corporation

2320 E 93rd St, Chicago, IL 606173909

Phone: 7739673999

Advocate Health And Hospitals Corporation

100 W 162nd St, South Holland, IL 604732003

Phone: 7087302200

Advocate Health And Hospitals Corporation

9550 W 167th St, Orland Park, IL 604675561

Advocate Health And Hospitals Corporation

214 Mchenry Rd, Buffalo Grove, IL 600896748

Phone: 8474591160

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Adeshola Ezeokoli , MD

Internal Medicine

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Doctor of Medicine (M.D.)

Dr. Nanzeen Sayef , MD

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Doctor of Medicine (M.D.)

Dr. John Sobolski , MD

Internal Medicine - Cardiovascular Disease

NPI 1013928134

Doctor of Medicine (M.D.)

Aya Dajani , NP

Nurse Practitioner - Family

NPI 1033615158

Nurse Practitioner

Dr. Shehla Lasi-Siddiqi , MD

Internal Medicine

NPI 1083637433

Doctor of Medicine (M.D.)

Nancy Meyer , APN

Clinical Nurse Specialist - Gerontology

NPI 1083790836

Advanced Practice Nurse

Career & Practice History Timeline

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

11 Historical Events

📍

Updated Business Mailing Address February 19, 2025

Registered at 29373 NETWORK PL, CHICAGO, IL 606731293

👤

Provider Name / Credentials Updated February 19, 2025

Recorded as LINUS EMA, DO

📍

Updated Practice Location December 21, 2021

Registered at 2535 S KING DR, CHICAGO, IL 606164746 (Tel: 3128427117)

📍

Updated Business Mailing Address December 21, 2021

Registered at 2535 S MARTIN LUTHER KING DRIVE, CHICAGO, IL 60616 (Tel: 3128427117)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 21, 2021

Internal Medicine (License #036-087190 in IL)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2545 S KING DR, CHICAGO, IL 606162441 (Tel: 3128427117)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2311 W 22ND ST, SUITE 202, OAK BROOK, IL 605231225

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as LINUS EMA, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine

🟢

Initial NPI Registration & Enumeration July 09, 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: 1891728010

Entity Type:

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

Enumeration Date: July 09, 2006

Last Update: February 19, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29373 Network Pl

Chicago, IL 606731293

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.