Active NPI 1962571596 Individual Practitioner Male Practitioner

Dr. John G Leiner , MD

Internal Medicine • Quincy, IL

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. John Leiner, MD is a registered Internal Medicine practitioner in Quincy, IL. With approximately 35 years of clinical practice since graduating from Virginia Commonwealth University, School Of Medicine in 1991, Dr. Leiner provides healthcare services at the registered practice location at 927 BROADWAY ST.

Dr. Leiner is affiliated with Blessing Hospital and accepts Medicare assignment.

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, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

927 Broadway St

Quincy, IL 623012719

Telephone 2172246423

Fax 2172283251

Associated Practice Facility / Clinic

🏢 Blessing Corporate Services Inc Facility NPI 1851311641

Medicare Profile & Education

Medical School

Virginia Commonwealth University, School Of Medicine

Graduation Year

1991

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Quincy, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

35 Yrs +10.6 yrs vs City Avg

City Avg: 24.4 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

26 Specialists

Practicing in Quincy, IL (7544 Statewide)

Telehealth Adoption Rate

3.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

71.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Leiner (35 Years) 35 Yrs

Quincy Specialty Average (24.4 Years) 24.4 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	413	196	$40.00	$15.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	378	195	$335.00	$93.06
99213 Established patient office or other outpatient visit, typically 15 minutes	68	57	$238.00	$63.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	18	$473.00	$138.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$458.00	$128.04

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	438	194	$329.33	$95.63
99213 Established patient office or other outpatient visit, typically 15 minutes	38	36	$229.24	$64.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	26	$457.13	$142.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	17	17	$323.00	$129.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$458.00	$132.00

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	359	187	$300.01	$97.38
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	81	58	$402.30	$146.77
99213 Established patient office or other outpatient visit, typically 15 minutes	31	26	$205.06	$67.35

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	365	180	$282.21	$99.50
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	76	60	$382.47	$147.38
99213 Established patient office or other outpatient visit, typically 15 minutes	70	60	$199.36	$67.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	37	37	$432.03	$136.98
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or	16	11	$88.00	$32.38

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	183	$265.98	$79.76
99213 Established patient office or other outpatient visit, typically 15 minutes	63	51	$186.43	$51.36
99441 Telephone medical discussion with physician, 5-10 minutes	39	35	$45.23	$26.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	26	$356.54	$114.47
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	23	16	$150.00	$54.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$406.55	$132.14
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$76.53	$52.13

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	168	$260.09	$76.36
99213 Established patient office or other outpatient visit, typically 15 minutes	229	127	$179.78	$50.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	30	30	$398.13	$129.85
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	28	23	$348.71	$111.75
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	17	12	$37.71	$10.29
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and	15	14	$150.00	$53.43
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	$497.00	$169.47

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	306	152	$173.73	$50.10
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	256	127	$253.25	$76.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$389.78	$128.85
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$338.75	$105.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	340	142	$171.00	$49.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	211	125	$250.00	$77.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$385.00	$128.54
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$253.00	$76.14

Medical Specialties & State Licenses

CMS Verified: 2025-01-20

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036171859

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 VA 0101224017

Hospital & Practice Group Affiliations

Blessing Hospital

927 Broadway St, Quincy, IL 623012719

Secondary Practice Locations

4800 Maine St

Quincy, IL 623055875

Phone: 2172238400

Practice Associates & Co-Workers

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

37 Associated Practitioners

Dr. Jonathan Wilford , DO

Family Medicine

NPI 1013203314

Doctor of Osteopathic Medicine (D.O.)

Dr. Charone Tolbert , MD

Pediatrics

NPI 1033386461

Doctor of Medicine (M.D.)

Rebecca Reed

Nurse Practitioner - Family

NPI 1053797258

Lacy Nichols

Nurse Practitioner - Neonatal

NPI 1083361430

Dr. Adesina Adedeji , MD

Family Medicine

NPI 1104560762

Doctor of Medicine (M.D.)

Dr. Venu Reddy , MD

Internal Medicine - Pulmonary Disease

NPI 1164429957

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Business Mailing Address January 20, 2025

Registered at 1005 BROADWAY ST, QUINCY, IL 623012834 (Tel: 2172238400)

📍

Updated Practice Location December 20, 2024

Registered at 927 BROADWAY ST, QUINCY, IL 623012719 (Tel: 2172246423)

✅

NPI Profile Active July 25, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location July 25, 2014

Registered at 1222 JEFFERSON PARK AVE FL 3, CHARLOTTESVILLE, VA 229033410 (Tel: 4349241931)

📍

Updated Business Mailing Address July 25, 2014

Registered at PO BOX 9007, CHARLOTTESVILLE, VA 229069007

👤

Provider Name / Credentials Updated July 25, 2014

Recorded as JOHN LEINER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 25, 2014

Internal Medicine (License #0101224017 in VA)

🟢

Initial NPI Registration & Enumeration November 07, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. John Leiner. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1962571596

Entity Type:

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

Enumeration Date: November 07, 2006

Last Update: January 20, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1005 Broadway St

Quincy, IL 623012834

Phone: 2172238400

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.