Active NPI 1407944309 Individual Practitioner Male Practitioner

Dr. Leonard Stallings , MD

Internal Medicine • Chicago, IL

Professional Overview & Biography Verified Profile Summary

Dr. Leonard Stallings, MD is a certified Internal Medicine practicing in Chicago, IL. With approximately 42 years of clinical experience since graduating from Rush Medical College Of Rush University in 1984, Dr. Stallings delivers high-quality medical care to the local community at 6434 W NORTH AVE.

Dr. Stallings maintains professional affiliations with Aamg Reach Pllc, Advocate Health And Hospitals Corporation and does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, blood glucose (sugar) test performed by hand-held instrument, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6434 W North Ave

Chicago, IL 607074030

Telephone 7738363000

Fax 7738365980

Associated Practice Facility / Clinic

🏢 Advocate Health And Hospitals Corporation Facility NPI 1700824455

Medicare Profile & Education

Medical School

Rush Medical College Of Rush University

Graduation Year

1984

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Chicago, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +20.2 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

In-Person Office Visits Only

Medicare Pricing Discount

52.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Stallings (42 Years) 42 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	288	84	$278.71	$120.53
82962 Blood glucose (sugar) test performed by hand-held instrument	155	46	$22.00	$3.15
36415 Insertion of needle into vein for collection of blood sample	120	72	$22.00	$8.51
91322 Sarscov2 vac 50 mcg/0.5ml im	61	45	$250.00	$148.24
90480 Admn sarscov2 vacc 1 dose	61	45	$85.00	$44.20
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	44	44	$332.00	$120.93
G0008 Administration of influenza virus vaccine	37	37	$60.00	$33.70
90662 Influenza vaccine split virus, preservative free	36	36	$125.00	$81.82

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	285	92	$258.72	$126.73
36415 Insertion of needle into vein for collection of blood sample	159	83	$22.00	$8.35
82962 Blood glucose (sugar) test performed by hand-held instrument	152	51	$22.00	$3.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	61	61	$316.00	$127.26
G0008 Administration of influenza virus vaccine	45	45	$53.89	$31.59
90662 Influenza vaccine split virus, preservative free	38	38	$113.50	$69.95
99213 Established patient office or other outpatient visit, typically 15 minutes	19	16	$178.00	$90.06
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	16	16	$394.38	$280.77
G0009 Administration of pneumococcal vaccine	16	16	$48.13	$32.30

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	294	90	$235.00	$135.39
82962 Blood glucose (sugar) test performed by hand-held instrument	183	54	$22.00	$3.22
36415 Insertion of needle into vein for collection of blood sample	149	84	$22.00	$2.94
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	66	66	$316.00	$137.81
G0008 Administration of influenza virus vaccine	50	47	$41.00	$30.50
90662 Influenza vaccine split virus, preservative free	42	39	$73.00	$66.60

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	355	124	$223.59	$138.80
82962 Blood glucose (sugar) test performed by hand-held instrument	178	61	$22.00	$3.28
36415 Insertion of needle into vein for collection of blood sample	162	101	$22.00	$3.00
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	60	60	$316.00	$141.06
G0008 Administration of influenza virus vaccine	51	50	$41.00	$17.98
90662 Influenza vaccine split virus, preservative free	40	40	$73.00	$65.26

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	353	125	$211.98	$114.62
82962 Blood glucose (sugar) test performed by hand-held instrument	205	73	$22.00	$3.23
36415 Insertion of needle into vein for collection of blood sample	157	107	$22.00	$2.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	75	75	$316.00	$122.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	61	54	$298.38	$152.99
G0008 Administration of influenza virus vaccine	61	60	$41.00	$17.44
90662 Influenza vaccine split virus, preservative free	46	45	$69.22	$59.12
G0009 Administration of pneumococcal vaccine	30	30	$41.00	$17.70
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$156.57	$119.23

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	553	154	$203.00	$114.53
82962 Blood glucose (sugar) test performed by hand-held instrument	335	93	$22.00	$3.18
36415 Insertion of needle into vein for collection of blood sample	206	133	$22.00	$2.90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	66	66	$316.00	$121.06
G0008 Administration of influenza virus vaccine	55	53	$41.00	$17.33
90662 Influenza vaccine split virus, preservative free	45	44	$67.00	$54.83
G0009 Administration of pneumococcal vaccine	35	35	$41.00	$17.33
90670 Pneumococcal vaccine for injection into muscle	33	33	$318.00	$211.02
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$349.00	$175.72

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	697	178	$195.20	$113.41
82962 Blood glucose (sugar) test performed by hand-held instrument	299	90	$19.22	$3.21
36415 Insertion of needle into vein for collection of blood sample	289	166	$14.99	$2.94
G0008 Administration of influenza virus vaccine	51	51	$41.00	$21.41
90662 Influenza vaccine split virus, preservative free	43	43	$62.91	$50.98
93000 Routine ekg using at least 12 leads including interpretation and report	17	15	$80.12	$18.09
99213 Established patient office or other outpatient visit, typically 15 minutes	13	12	$133.85	$76.95

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	639	192	$172.81	$112.91
82962 Blood glucose (sugar) test performed by hand-held instrument	287	101	$17.16	$3.14
36415 Insertion of needle into vein for collection of blood sample	237	155	$13.35	$2.94
G0008 Administration of influenza virus vaccine	64	64	$41.00	$26.42
90662 Influenza vaccine split virus, preservative free	49	49	$60.00	$48.05
99213 Established patient office or other outpatient visit, typically 15 minutes	44	39	$129.00	$77.17
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	35	19	$97.47	$96.87
G0179 Physician re-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 to affirm the initial imp	34	16	$157.00	$43.41
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	16	16	$35.00	$18.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	15	$87.00	$46.16
G0009 Administration of pneumococcal vaccine	14	14	$41.00	$26.42
93000 Routine ekg using at least 12 leads including interpretation and report	12	11	$78.00	$18.10
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	12	12	$168.00	$56.70
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$149.00	$96.87

Medical Specialties & State Licenses

CMS Verified: 2022-11-29

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036071417

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

036071417 (IL)

Commercial Insurance / Payer ID Medicare

275750 (IL)

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

214 Mchenry Rd, Buffalo Grove, IL 600896748

Phone: 8474591160

Aamg Reach Pllc

1357 W 103rd St, Chicago, IL 606432392

Phone: 7732953101

Advocate Health And Hospitals Corporation

6434 W N Ave, Chicago, IL 607074030

Phone: 7738363000

Secondary Practice Locations

5120 W Jackson Blvd

Chicago, IL 606444332

Phone: 7732654566

Practice Associates & Co-Workers

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

13 Associated Practitioners

Dr. Lashonda Scott , MD

Family Medicine

NPI 1023102472

Doctor of Medicine (M.D.)

Dr. Bridget Haley , DO

Family Medicine

NPI 1104321272

Doctor of Osteopathic Medicine (D.O.)

Dr. Aruna Kandula , MD

Internal Medicine

NPI 1205818085

Doctor of Medicine (M.D.)

Dr. Judy Law , MD

Internal Medicine

NPI 1225042229

Doctor of Medicine (M.D.)

Falguni Patel , MSN, APRN, FNP-BC

Nurse Practitioner - Family

NPI 1356904320

Master of Science in Nursing, Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Dr. Carolyn Kalina , MD

Internal Medicine

NPI 1386664845

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 Practice Location November 29, 2022

Registered at 6434 W NORTH AVE, CHICAGO, IL 607074030 (Tel: 7738363000)

📍

Updated Business Mailing Address November 29, 2022

Registered at 29373 NETWORK PL, CHICAGO, IL 606731292 (Tel: 8473905900)

✅

NPI Profile Active June 07, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location June 07, 2010

Registered at 5120 W JACKSON BLVD, CHICAGO, IL 606444332 (Tel: 7732654566)

📍

Updated Business Mailing Address June 07, 2010

Registered at PO BOX 5128, RIVER FOREST, IL 603055128 (Tel: 7732654566)

👤

Provider Name / Credentials Updated June 07, 2010

Recorded as LEONARD STALLINGS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 07, 2010

Internal Medicine (License #036071417 in IL)

🟢

Initial NPI Registration & Enumeration October 10, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1407944309

Entity Type:

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

Enumeration Date: October 10, 2006

Last Update: November 29, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

29373 Network Pl

Chicago, IL 606731292

Phone: 8473905900

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.