Active NPI 1427031129 Individual Practitioner Female Practitioner

Dr. Cara Hahs , MD

Surgery • Ballwin, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Cara Hahs, MD is a certified Surgery practicing in Ballwin, MO. With approximately 29 years of clinical experience since graduating from University Of South Carolina School Of Medicine in 1997, Dr. Hahs delivers high-quality medical care to the local community at 15945 CLAYTON RD.

Dr. Hahs is affiliated with Mercy Clinic St Louis Cancer And Breast Institute Llc and accepts Medicare assignment.

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

15945 Clayton Rd
Suite 120

Ballwin, MO 630112490

Telephone 6362565000

Fax 6362565100

Associated Practice Facility / Clinic

🏢 Mercy Health Services, Llc Facility NPI 1790096683

Medicare Profile & Education

Medical School

University Of South Carolina School Of Medicine

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Ballwin, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +3.0 yrs vs City Avg

City Avg: 26.0 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

3 Specialists

Practicing in Ballwin, MO (766 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hahs (29 Years) 29 Yrs

Ballwin Specialty Average (26.0 Years) 26.0 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	182	174	$64.74	$58.53
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	34	34	$157.76	$136.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$147.28	$117.71
19301 Partial removal of breast	18	16	$1726.67	$639.58
38900 Lymph node imaging during surgery	16	16	$373.50	$132.97
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	14	14	$1188.57	$217.06
38900 Lymph node imaging during surgery	13	13	$332.00	$125.11
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$1040.00	$220.94
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$100.82	$86.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	242	227	$146.00	$88.66
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	41	41	$362.00	$214.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$222.00	$110.81
19301 Partial removal of breast	21	19	$1554.00	$658.44
38900 Lymph node imaging during surgery	15	15	$332.00	$135.55
38900 Lymph node imaging during surgery	15	15	$354.13	$140.07
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$1040.00	$234.40
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$1109.33	$227.08
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$339.00	$164.76
19301 Partial removal of breast	13	12	$1554.00	$658.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	246	222	$146.00	$90.02
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	31	31	$357.10	$221.64
19301 Partial removal of breast	20	19	$1535.40	$670.77
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	19	19	$1084.79	$240.77
38900 Lymph node imaging during surgery	19	19	$349.47	$142.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$222.00	$112.13
19301 Partial removal of breast	15	14	$1541.60	$669.83
38900 Lymph node imaging during surgery	15	15	$332.00	$138.96
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$1027.40	$216.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	14	14	$339.00	$167.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$219.00	$128.20

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	256	234	$146.00	$91.04
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	32	32	$349.00	$217.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$339.00	$169.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	21	21	$222.00	$109.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	20	20	$219.00	$130.86
38900 Lymph node imaging during surgery	17	17	$332.00	$139.98
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	16	16	$1019.00	$252.41
19301 Partial removal of breast	15	14	$1523.00	$673.11
19125 Removal of breast growth, open procedure	12	12	$1179.58	$450.46
19301 Partial removal of breast	11	11	$1523.00	$673.28
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$1019.00	$224.36
38900 Lymph node imaging during surgery	11	11	$362.18	$146.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	302	289	$146.00	$75.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$347.73	$207.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$219.00	$109.53
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	16	16	$222.00	$108.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$339.00	$158.05
38900 Lymph node imaging during surgery	11	11	$332.00	$144.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	331	297	$146.00	$73.20
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	20	20	$426.00	$206.14
19301 Partial removal of breast	19	17	$1408.21	$690.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$219.00	$108.04
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$1009.87	$232.60
38900 Lymph node imaging during surgery	15	15	$354.13	$148.29
19301 Partial removal of breast	13	12	$1384.62	$672.87
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$339.00	$163.83
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$222.00	$107.76
38900 Lymph node imaging during surgery	12	12	$359.67	$149.49
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$1050.00	$235.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	296	275	$146.00	$71.72
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	28	28	$426.00	$199.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$339.00	$157.15
19301 Partial removal of breast	17	13	$1302.00	$660.45
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	17	17	$222.00	$106.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	12	$219.00	$105.91
38900 Lymph node imaging during surgery	11	11	$332.00	$141.14
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	11	11	$931.00	$221.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	318	288	$146.00	$71.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$339.00	$161.05
19301 Partial removal of breast	22	13	$1361.18	$671.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	16	$219.00	$102.17
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	18	18	$426.00	$202.79
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$297.00	$136.13
38900 Lymph node imaging during surgery	16	16	$352.75	$145.47
38525 Biopsy or removal of lymph nodes of under the arm, open procedure	15	15	$931.00	$235.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	14	$91.00	$42.57
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$222.00	$105.68

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MO 112784

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.

Surgery

NUCC Taxonomy Code: 208600000X

State License IN 01057613A

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

1427031129 (MO)

Commercial Insurance / Payer ID Railroad Medicare

P00943562 (MO)

Hospital & Practice Group Affiliations

Mercy Clinic St Louis Cancer And Breast Institute Llc

621 S New Ballas Rd, Saint Louis, MO 631418256

Phone: 3142518001

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Nishant Poddar , MD

Internal Medicine - Medical Oncology

NPI 1124387675

Doctor of Medicine (M.D.)

Dr. Samir Dalia , MD

Internal Medicine - Hematology & Oncology

NPI 1235331455

Doctor of Medicine (M.D.)

Dr. Marlys Schuh , MD

Surgery - Surgical Oncology

NPI 1285618876

Doctor of Medicine (M.D.)

Dr. Pascale Salem , MD

Internal Medicine - Hematology & Oncology

NPI 1528081783

Doctor of Medicine (M.D.)

Mary Kitchura , PA

Physician Assistant

NPI 1538056148

Physician Assistant

Laura Hooper , AGNP

Nurse Practitioner - Gerontology

NPI 1598156820

Adult-Gerontology Nurse Practitioner

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active March 02, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location March 02, 2015

Registered at 15945 CLAYTON RD, SUITE 120, BALLWIN, MO 630112490 (Tel: 6362565000)

📍

Updated Business Mailing Address March 02, 2015

Registered at 15945 CLAYTON RD, SUITE 120, BALLWIN, MO 630112490 (Tel: 6362565000)

👤

Provider Name / Credentials Updated March 02, 2015

Recorded as CARA HAHS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 02, 2015

Surgery (License #112784 in MO)

🟢

Initial NPI Registration & Enumeration November 28, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1427031129

Entity Type:

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

Enumeration Date: November 28, 2005

Last Update: March 02, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

15945 Clayton Rd, Suite 120

Ballwin, MO 630112490

Phone: 6362565000

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.