Active NPI 1275656340 Individual Practitioner Male Practitioner

Dr. Jay Lawrence Koyner , MD

Internal Medicine - Nephrology • Chicago, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Jay Koyner, MD is a certified Internal Medicine - Nephrology practicing in Chicago, IL. With approximately 25 years of clinical experience since graduating from State University Of New York At Stony Brook, School Of Medicine in 2001, Dr. Koyner delivers high-quality medical care to the local community at 5841 S MARYLAND AVE.

Dr. Koyner maintains professional affiliations with University Of Chicago, The University Of Chicago Medical Center and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include 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, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5841 S Maryland Ave
Suite S-506, Mc 5100

Chicago, IL 606371447

Telephone 7737024842

Fax 7737025818

Associated Practice Facility / Clinic

🏢 University Of Chicago Facility NPI 1821048786

Medicare Profile & Education

Medical School

State University Of New York At Stony Brook, School Of Medicine

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs -0.5 yrs vs City Avg

City Avg: 25.5 Yrs

State Avg: 26.3 Yrs

Regional Practice Density

203 Specialists

Practicing in Chicago, IL (598 Statewide)

Telehealth Adoption Rate

25.1% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

77.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Koyner (25 Years) 25 Yrs

Chicago Specialty Average (25.5 Years) 25.5 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
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	105	63	$103.00	$17.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	73	48	$371.12	$106.35
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	62	34	$426.19	$129.61
99213 Established patient office or other outpatient visit, typically 15 minutes	39	30	$251.00	$71.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	39	29	$582.00	$157.73
90945 Dialysis procedure including 1 evaluation	37	15	$639.59	$92.50
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$1044.09	$189.39

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	98	48	$415.88	$126.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	42	$353.65	$103.80
90945 Dialysis procedure including 1 evaluation	43	22	$624.95	$90.26
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	41	29	$564.85	$152.30
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$1024.75	$182.49
90935 Hemodialysis procedure with physician evaluation	31	25	$529.26	$72.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	130	54	$400.03	$109.53
90945 Dialysis procedure including 1 evaluation	77	27	$606.09	$92.30
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	40	$337.86	$104.74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	45	$986.09	$212.11
90935 Hemodialysis procedure with physician evaluation	42	27	$513.86	$77.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	34	26	$538.41	$156.69
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$231.89	$71.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	181	81	$384.55	$110.88
90945 Dialysis procedure including 1 evaluation	123	48	$578.79	$92.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	60	60	$954.05	$215.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	59	35	$326.27	$107.93
90935 Hemodialysis procedure with physician evaluation	55	37	$490.64	$78.31
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	18	$519.40	$159.01
99213 Established patient office or other outpatient visit, typically 15 minutes	16	14	$220.38	$73.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	134	55	$366.46	$112.41
90945 Dialysis procedure including 1 evaluation	54	23	$556.15	$93.47
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	33	$313.62	$86.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	40	$902.10	$219.97
90935 Hemodialysis procedure with physician evaluation	37	31	$465.57	$79.62
99442 Telephone medical discussion with physician, 11-20 minutes	31	25	$204.35	$56.49
99213 Established patient office or other outpatient visit, typically 15 minutes	21	16	$211.00	$56.44
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	15	$519.19	$121.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90935 Hemodialysis procedure with physician evaluation	188	106	$452.76	$78.39
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	157	77	$356.87	$111.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	50	$303.73	$84.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	72	66	$876.06	$217.10
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	63	42	$594.86	$119.13
90945 Dialysis procedure including 1 evaluation	36	16	$544.50	$91.32
99213 Established patient office or other outpatient visit, typically 15 minutes	19	16	$207.63	$54.84
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	$687.36	$182.19
99285 Emergency department visit for life threatening or functioning severity	11	11	$841.00	$189.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	313	141	$343.11	$110.38
90935 Hemodialysis procedure with physician evaluation	158	88	$440.27	$76.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	52	$299.60	$83.18
90945 Dialysis procedure including 1 evaluation	104	42	$517.77	$89.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	93	91	$839.06	$212.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	39	29	$559.90	$118.05
99291 Critical care, first 30-74 minutes	15	11	$751.40	$238.61
99213 Established patient office or other outpatient visit, typically 15 minutes	13	11	$199.92	$54.49
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$672.67	$181.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	297	126	$337.00	$110.86
90935 Hemodialysis procedure with physician evaluation	116	87	$428.00	$76.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	94	86	$827.00	$215.95
90945 Dialysis procedure including 1 evaluation	83	29	$510.53	$90.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	78	39	$276.62	$83.38
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	62	41	$510.85	$118.14

Medical Specialties & State Licenses

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Hospital & Practice Group Affiliations

University Of Chicago

1101 S Canal St, Chicago, IL 606074944

Phone: 8773365667

University Of Chicago

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 8888240200

The University Of Chicago Medical Center

5841 S Maryland Ave, Chicago, IL 606371443

Phone: 7737021000

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Zeyad Rifai , DO

Internal Medicine - Nephrology

NPI 1477284446

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 July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 5841 S MARYLAND AVE, SUITE S-506, MC 5100, CHICAGO, IL 606371447 (Tel: 7737024842)

📍

Updated Business Mailing Address July 08, 2007

Registered at 5841 S MARYLAND AVE, SUITE S-506, MC 5100, CHICAGO, IL 606371447 (Tel: 7737024842)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as JAY KOYNER, M.D.

🎓

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

Internal Medicine

🟢

Initial NPI Registration & Enumeration April 06, 2007

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: 1275656340

Entity Type:

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

Enumeration Date: April 06, 2007

Last Update: July 08, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

5841 S Maryland Ave, Suite S-506, Mc 5100

Chicago, IL 606371447

Phone: 7737024842

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.