Active NPI 1568724284 Individual Practitioner Female Practitioner

Katherine E Clancy , FNP

Nurse Practitioner • O Fallon, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Katherine Clancy, FNP is a certified Nurse Practitioner practicing in O Fallon, MO. With approximately 15 years of clinical experience since completing medical education in 2011, Katherine Clancy delivers high-quality medical care to the local community at 2630 HIGHWAY K.

Katherine Clancy is affiliated with Physician Groups Lc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, urinalysis, manual test, detection test by immunoassay technique for severe acute respiratory syndrome coronavirus. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2630 Highway K

O Fallon, MO 633686624

Telephone 6369805300

Fax 6369805344

Associated Practice Facility / Clinic

🏢 Physician Groups Lc Facility NPI 1821164955

Medicare Profile & Education

Medical School

Other

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in O Fallon, MO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs +2.8 yrs vs City Avg

City Avg: 12.2 Yrs

State Avg: 11.7 Yrs

Regional Practice Density

34 Specialists

Practicing in O Fallon, MO (1750 Statewide)

Telehealth Adoption Rate

20.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

62.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Clancy (15 Years) 15 Yrs

O Fallon Specialty Average (12.2 Years) 12.2 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	224	211	$177.77	$71.39
81002 Urinalysis, manual test	28	28	$13.00	$3.41
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	22	22	$123.00	$34.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	19	19	$197.23	$83.85
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	13	13	$44.00	$15.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	66	63	$118.42	$55.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$147.90	$69.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$202.90	$81.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	62	58	$118.10	$56.89
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$147.90	$71.02
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$100.10	$41.68
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$81.20	$30.92

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	44	39	$118.10	$57.84
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$147.90	$71.56
99202 New patient office or other outpatient visit, typically 20 minutes	20	20	$100.10	$42.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$82.09	$30.91

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	27	25	$121.93	$54.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	18	18	$142.88	$75.14
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$95.58	$34.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90471 Administration of 1 vaccine	147	144	$59.80	$13.84
90662 Influenza vaccine split virus, preservative free	110	110	$87.04	$54.87
99213 Established patient office or other outpatient visit, typically 15 minutes	50	46	$125.00	$62.06
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	24	24	$51.49	$18.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	23	$100.00	$37.54
99202 New patient office or other outpatient visit, typically 20 minutes	16	16	$110.00	$63.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$135.00	$90.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	116	88	$125.00	$59.85
G0008 Administration of influenza virus vaccine	93	92	$59.80	$19.90
90662 Influenza vaccine split virus, preservative free	82	81	$87.04	$51.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	31	31	$135.00	$88.87
94640 Inhalation treatment for airway obstruction or sputum production	16	16	$52.00	$15.09
90471 Administration of 1 vaccine	15	15	$59.80	$16.66
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	15	15	$51.49	$18.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	13	$100.00	$35.82
81003 Automated urinalysis test	14	13	$15.00	$2.71
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$110.00	$61.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90471 Administration of 1 vaccine	152	150	$59.80	$20.56
90662 Influenza vaccine split virus, preservative free	102	102	$87.04	$47.81
99213 Established patient office or other outpatient visit, typically 15 minutes	67	56	$125.00	$59.49
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	45	40	$100.00	$35.49
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	40	40	$51.49	$18.65
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$110.00	$59.33
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$135.00	$88.14
90670 Pneumococcal vaccine for injection into muscle	24	24	$546.76	$184.53
G0008 Administration of influenza virus vaccine	20	20	$59.80	$24.52
94640 Inhalation treatment for airway obstruction or sputum production	16	13	$52.00	$14.69
69210 Removal of impacted ear wax	13	13	$96.92	$40.18

Medical Specialties & State Licenses

CMS Verified: 2025-12-09

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MO 2012009885

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner - Family

NUCC Taxonomy Code: 363LF0000X

State License MO 2012009885

Definition to come...

Hospital & Practice Group Affiliations

Physician Groups Lc

2630 Hwy K, O Fallon, MO 633686624

Phone: 6362405454

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Amanda Heidemann , MD

Family Medicine

NPI 1043329105

Doctor of Medicine (M.D.)

Tara Barnes-Cherry , APRN, FNP-BC

Nurse Practitioner

NPI 1104424068

Advanced Practice Registered Nurse, Family Nurse Practitioner (Board Certified)

Dr. Anjum Razzaque , MD

Emergency Medicine

NPI 1962427229

Doctor of Medicine (M.D.)

Mary Withoelter , NURSE PRACTITIONER

Nurse Practitioner

NPI 1982188389

NURSEPRACTITIONER

Career & Practice History Timeline

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

13 Historical Events

📍

Updated Practice Location April 08, 2024

Registered at 2630 HIGHWAY K, O FALLON, MO 633686624 (Tel: 6369805300)

📍

Updated Business Mailing Address April 08, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 3144483791)

✅

NPI Profile Active January 19, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address January 19, 2017

Registered at 121 SAINT LUKES CENTER DR, CHESTERFIELD, MO 630173518 (Tel: 3142056399)

📍

Updated Practice Location January 19, 2017

Registered at 121 SAINT LUKES CENTER DR, STE 504, CHESTERFIELD, MO 630173509 (Tel: 3142056399)

👤

Provider Name / Credentials Updated January 19, 2017

Recorded as KATHERINE CLANCY, FNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 19, 2017

Nurse Practitioner (License #2012009885 in MO)

✅

NPI Profile Active October 03, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location October 03, 2013

Registered at 121 SAINT LUKES CENTER DR, STE 504, CHESTERFIELD, MO 630173509 (Tel: 3142056399)

📍

Updated Business Mailing Address October 03, 2013

Registered at 121 SAINT LUKES CENTER DR, STE 504, CHESTERFIELD, MO 630173509 (Tel: 3142056399)

👤

Provider Name / Credentials Updated October 03, 2013

Recorded as KATHERINE CLANCY, FNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 03, 2013

Nurse Practitioner (License #2012009885 in MO)

🟢

Initial NPI Registration & Enumeration June 08, 2012

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: 1568724284

Entity Type:

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

Enumeration Date: June 08, 2012

Last Update: December 09, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

660 Mason Ridge Center Dr Ste 300

Saint Louis, MO 631418512

Phone: 3144483791

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.