Active NPI 1871609354 Individual Practitioner Female Practitioner

Dr. Catherine Baker , MD

Internal Medicine • Lemont, IL

Professional Overview & Biography Verified Profile Summary

Dr. Catherine Baker, MD is a certified Internal Medicine practicing in Lemont, IL. With approximately 41 years of clinical experience since graduating from University Of Maryland School Of Medicine in 1985, Dr. Baker delivers high-quality medical care to the local community at 15505 127TH ST.

Dr. Baker does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, automated urinalysis test, hemoglobin a1c level. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

15505 127th St

Lemont, IL 604394433

Telephone 6302572265

Associated Practice Facility / Clinic

🏢 Lemont Primary Care, Sc Facility NPI 1558477034

Medicare Profile & Education

Medical School

University Of Maryland School Of Medicine

Graduation Year

1985

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lemont, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +16.5 yrs vs City Avg

City Avg: 24.5 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

6 Specialists

Practicing in Lemont, IL (7544 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Baker (41 Years) 41 Yrs

Lemont Specialty Average (24.5 Years) 24.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	188	94	$250.00	$131.13
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	166	143	$350.00	$186.20
81003 Automated urinalysis test	149	110	$30.00	$2.20
83036 Hemoglobin A1C level	147	74	$30.00	$9.47
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	125	125	$260.00	$132.33
36415 Insertion of needle into vein for collection of blood sample	113	87	$20.00	$8.65
99213 Established patient office or other outpatient visit, typically 15 minutes	37	29	$180.00	$91.42
90662 Influenza vaccine split virus, preservative free	17	17	$100.00	$81.24
G0008 Administration of influenza virus vaccine	17	17	$40.00	$33.70

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	194	100	$247.19	$131.37
81003 Automated urinalysis test	174	124	$29.89	$2.19
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	172	161	$347.38	$186.42
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	150	150	$225.00	$132.06
83036 Hemoglobin A1C level	141	74	$47.84	$9.38
36415 Insertion of needle into vein for collection of blood sample	139	114	$20.00	$8.40
99213 Established patient office or other outpatient visit, typically 15 minutes	95	62	$167.37	$93.78
90662 Influenza vaccine split virus, preservative free	31	31	$100.00	$71.93
G0008 Administration of influenza virus vaccine	25	25	$40.00	$32.32
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	12	12	$85.00	$6.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	163	88	$160.00	$95.49
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	157	156	$344.00	$192.06
36415 Insertion of needle into vein for collection of blood sample	155	117	$20.00	$2.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	154	154	$185.00	$136.53
83036 Hemoglobin A1C level	146	82	$64.00	$9.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	125	80	$244.00	$134.57
81003 Automated urinalysis test	99	83	$30.00	$2.21
81002 Urinalysis, manual test	41	37	$26.00	$3.39
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	28	19	$80.00	$40.85
90662 Influenza vaccine split virus, preservative free	23	23	$100.00	$65.56
G0008 Administration of influenza virus vaccine	13	13	$40.00	$31.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	206	100	$160.00	$97.05
81002 Urinalysis, manual test	182	141	$26.00	$3.48
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	178	176	$344.00	$193.24
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	169	169	$185.00	$140.23
36415 Insertion of needle into vein for collection of blood sample	166	130	$20.00	$3.00
83036 Hemoglobin A1C level	165	84	$64.00	$9.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	115	83	$244.00	$136.69
90662 Influenza vaccine split virus, preservative free	70	70	$98.57	$65.02
G0008 Administration of influenza virus vaccine	63	63	$40.00	$17.92
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	60	12	$180.00	$107.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	18	$260.00	$209.48
99239 Hospital discharge day management, more than 30 minutes	22	16	$146.00	$111.31
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	17	16	$85.00	$7.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	210	164	$20.00	$2.98
81002 Urinalysis, manual test	205	163	$26.00	$3.46
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	203	200	$344.00	$155.59
99213 Established patient office or other outpatient visit, typically 15 minutes	190	98	$160.00	$79.79
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	185	185	$185.00	$121.78
83036 Hemoglobin A1C level	176	92	$64.00	$9.54
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	158	95	$244.00	$114.27
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	153	24	$180.00	$110.35
G0008 Administration of influenza virus vaccine	76	74	$40.00	$17.65
90662 Influenza vaccine split virus, preservative free	60	60	$79.05	$60.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	26	$260.00	$214.00
99239 Hospital discharge day management, more than 30 minutes	36	27	$146.00	$113.20
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	24	24	$85.00	$9.27
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$78.46	$19.15
G0009 Administration of pneumococcal vaccine	11	11	$30.00	$16.04

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	244	127	$160.00	$77.68
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	224	219	$344.00	$152.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	206	125	$244.00	$114.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	201	201	$185.00	$122.92
36415 Insertion of needle into vein for collection of blood sample	200	147	$20.00	$2.94
81002 Urinalysis, manual test	194	152	$26.00	$3.41
83036 Hemoglobin A1C level	179	94	$64.00	$10.57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	93	27	$180.00	$109.81
G0008 Administration of influenza virus vaccine	51	51	$40.00	$16.99
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	50	50	$29.80	$18.28
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	36	29	$260.00	$213.83
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	32	28	$85.00	$9.21
99239 Hospital discharge day management, more than 30 minutes	20	18	$146.00	$113.00
G0009 Administration of pneumococcal vaccine	15	15	$30.00	$17.33
90670 Pneumococcal vaccine for injection into muscle	15	15	$230.00	$209.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	304	151	$160.00	$76.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	213	212	$344.00	$153.50
81002 Urinalysis, manual test	208	176	$26.00	$3.41
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	206	206	$185.00	$122.51
83036 Hemoglobin A1C level	205	91	$64.00	$11.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	198	117	$244.00	$112.90
36415 Insertion of needle into vein for collection of blood sample	193	147	$20.00	$2.93
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	80	78	$29.75	$18.65
G0008 Administration of influenza virus vaccine	77	76	$40.00	$21.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	69	25	$180.00	$107.99
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	44	39	$64.00	$22.49
G0009 Administration of pneumococcal vaccine	32	32	$30.00	$21.31
90670 Pneumococcal vaccine for injection into muscle	26	26	$226.15	$199.13
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$260.00	$213.41
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	18	17	$85.00	$9.11
99239 Hospital discharge day management, more than 30 minutes	13	13	$146.00	$112.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	279	143	$160.00	$74.12
81002 Urinalysis, manual test	251	199	$26.00	$3.43
36415 Insertion of needle into vein for collection of blood sample	224	162	$20.00	$2.94
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	214	213	$344.00	$147.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	211	121	$244.00	$108.86
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	205	205	$185.00	$117.89
83036 Hemoglobin A1C level	198	94	$64.00	$13.05
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	129	33	$180.00	$106.21
G0008 Administration of influenza virus vaccine	75	74	$40.00	$26.42
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	73	72	$29.32	$18.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	31	$260.00	$206.68
90670 Pneumococcal vaccine for injection into muscle	27	27	$210.00	$187.95
99239 Hospital discharge day management, more than 30 minutes	27	21	$146.00	$109.27
G0009 Administration of pneumococcal vaccine	25	25	$30.00	$26.42
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	17	15	$85.00	$8.86

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Kenneth Porter , MD

Pediatrics

NPI 1174639645

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 09, 2007

Registered at 15505 127TH ST, LEMONT, IL 604394433 (Tel: 6302572265)

📍

Updated Business Mailing Address July 09, 2007

Registered at 15505 127TH ST, LEMONT, IL 604394433 (Tel: 6302572265)

👤

Provider Name / Credentials Updated July 09, 2007

Recorded as CATHERINE BAKER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Internal Medicine

🟢

Initial NPI Registration & Enumeration August 21, 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: 1871609354

Entity Type:

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

Enumeration Date: August 21, 2006

Last Update: July 09, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

15505 127th St

Lemont, IL 604394433

Phone: 6302572265

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.