Active NPI 1184698060 Individual Practitioner Female Practitioner

Dr. Katharine Yao , MD

Surgery • Evanston, IL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Katharine Yao, MD is a certified Surgery practicing in Evanston, IL. With approximately 32 years of clinical experience since completing medical education in 1994, Dr. Yao delivers high-quality medical care to the local community at 2650 RIDGE AVE.

Dr. Yao is affiliated with Endeavor Health Medical Group 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, new patient outpatient office visit, partial removal of breast. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2650 Ridge Ave
Northshore University Health System

Evanston, IL 602011718

Telephone 8475701327

Fax 8477333695

Associated Practice Facility / Clinic

🏢 Endeavor Health Clinical Operations Facility NPI 1184670549

Medicare Profile & Education

Medical School

Other

Graduation Year

1994

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Evanston, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

32 Yrs +10.3 yrs vs City Avg

City Avg: 21.7 Yrs

State Avg: 27.3 Yrs

Regional Practice Density

18 Specialists

Practicing in Evanston, IL (1624 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

69.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yao (32 Years) 32 Yrs

Evanston Specialty Average (21.7 Years) 21.7 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
99213 Established patient office or other outpatient visit, typically 15 minutes	319	285	$77.74	$69.57
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	52	52	$361.00	$193.66
19301 Partial removal of breast	52	51	$2015.00	$760.43
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	22	22	$1245.00	$275.90
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$129.00	$87.81
38900 Lymph node imaging during surgery	20	20	$501.00	$157.89
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$246.00	$142.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	19	$159.58	$102.53
19303 Total removal of breast	18	18	$5049.00	$1177.67
19100 Needle biopsy of breast	14	14	$176.00	$80.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	329	285	$76.14	$70.44
19301 Partial removal of breast	44	39	$2015.00	$760.88
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	38	38	$361.00	$194.43
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$129.00	$89.92
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	25	25	$1245.00	$263.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$246.00	$143.24
38900 Lymph node imaging during surgery	21	21	$501.00	$158.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	18	$153.00	$103.82
19303 Total removal of breast	16	16	$4905.56	$1211.62
19100 Needle biopsy of breast	12	12	$176.00	$80.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	255	220	$65.47	$64.08
19301 Partial removal of breast	38	38	$2121.05	$783.21
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	29	29	$326.24	$199.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	25	$130.50	$105.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$133.29	$91.49
38900 Lymph node imaging during surgery	21	20	$501.00	$161.16
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	20	18	$1245.00	$274.82
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$250.50	$146.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	236	210	$61.03	$58.96
19301 Partial removal of breast	47	47	$2057.87	$778.50
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	39	39	$313.00	$202.19
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$135.00	$91.50
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	34	34	$1281.62	$268.36
38900 Lymph node imaging during surgery	33	33	$501.00	$162.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$255.84	$148.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	20	$123.00	$107.84
19303 Total removal of breast	11	11	$4131.00	$1124.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	277	229	$61.87	$56.31
19301 Partial removal of breast	45	42	$2015.00	$786.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$252.00	$142.32
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	30	30	$1167.37	$260.54
38900 Lymph node imaging during surgery	30	30	$501.00	$168.52
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$135.00	$83.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$123.00	$86.22
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	$312.55	$186.16

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	355	308	$58.33	$54.85
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$252.00	$139.68
19301 Partial removal of breast	48	44	$2015.00	$751.68
38900 Lymph node imaging during surgery	31	31	$501.00	$165.14
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	31	31	$1108.00	$256.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	17	$123.00	$84.31
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	17	17	$312.00	$182.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	298	254	$58.37	$54.51
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	70	70	$252.00	$139.01
19301 Partial removal of breast	58	49	$2015.00	$745.73
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	29	29	$1108.00	$260.73
38900 Lymph node imaging during surgery	27	27	$501.00	$162.22
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	25	23	$123.00	$83.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	182	149	$59.18	$54.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$252.00	$139.62
19301 Partial removal of breast	34	33	$2015.00	$756.81
38900 Lymph node imaging during surgery	29	29	$487.90	$164.18
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	27	27	$1107.30	$253.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	15	$122.44	$83.26
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$312.00	$181.95

Medical Specialties & State Licenses

CMS Verified: 2021-02-11

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License IL 36095007

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

2050 Pfingsten Rd, Glenview, IL 600261324

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

2100 Pfingsten Rd, Glenview, IL 600261301

Endeavor Health Medical Group

1300 Oak Ave, Evanston, IL 602014205

Phone: 8478691300

Practice Associates & Co-Workers

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

40 Associated Practitioners

Dr. Thomas Cibull , MD

Pathology - Anatomic Pathology & Clinical Pathology

NPI 1003000134

Doctor of Medicine (M.D.)

Dr. Lauren Anderson , MD

Hospitalist

NPI 1003504648

Doctor of Medicine (M.D.)

Dr. Daniel West , MD

Radiology - Diagnostic Radiology

NPI 1003835448

Doctor of Medicine (M.D.)

Dr. Joel Bernstein , MD

Radiology - Diagnostic Radiology

NPI 1003859505

Doctor of Medicine (M.D.)

Dr. Matthew Sherwood , MD

Internal Medicine

NPI 1013084078

Doctor of Medicine (M.D.)

Dr. Michael Gillam , MD

Emergency Medicine

NPI 1013092188

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 December 02, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location December 02, 2009

Registered at 2650 RIDGE AVE, NORTHSHORE UNIVERSITY HEALTH SYSTEM, EVANSTON, IL 602011718 (Tel: 8475701327)

📍

Updated Business Mailing Address December 02, 2009

Registered at 2650 RIDGE AVE., NORTHSHORE UNIVERSITY HEALTH SYSTEM, EVANSTON, IL 602011718 (Tel: 8475701327)

👤

Provider Name / Credentials Updated December 02, 2009

Recorded as KATHARINE YAO, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 02, 2009

Surgery (License #36095007 in IL)

🟢

Initial NPI Registration & Enumeration February 15, 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: 1184698060

Entity Type:

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

Enumeration Date: February 15, 2006

Last Update: February 11, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2650 Ridge Ave., Northshore University Health System

Evanston, IL 602011718

Phone: 8475701327

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.