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Active NPI 1386414878 Individual Practitioner Male Practitioner

Colby Andrew Stack , NP

Nurse Practitioner • Sullivan, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Colby Stack, NP is a certified Nurse Practitioner practicing in Sullivan, MO. With approximately 5 years of clinical experience since completing medical education in 2021, Colby Stack delivers high-quality medical care to the local community at 751 SAPPINGTON BRIDGE RD.

Colby Stack is affiliated with Missouri Baptist Hospital Of Sullivan and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with straightforward or low-level medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

751 Sappington Bridge Rd

Sullivan, MO 630802354

Telephone 5734684186
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2021

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Sullivan, MO

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
5 Yrs -2.8 yrs vs City Avg
City Avg: 7.8 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
11 Specialists

Practicing in Sullivan, MO (1750 Statewide)

Telehealth Adoption Rate
0.0% 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. Stack (5 Years) 5 Yrs
Sullivan Specialty Average (7.8 Years) 7.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
58 57 $276.00 $103.80

Medical Specialties & State Licenses

CMS Verified: 2025-09-19
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License MO 2024000101

(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 - Acute Care

NUCC Taxonomy Code: 363LA2100X

State License MO 2024000101

Definition to come...

Hospital & Practice Group Affiliations

Missouri Baptist Hospital Of Sullivan

751 Sappington Bridge Rd, Sullivan, MO 630802354

Phone: 5734684186

Practice Associates & Co-Workers

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

14 Associated Practitioners
NPI 1144239500

Doctor of Medicine (M.D.)

NPI 1144509563

Doctor of Medicine (M.D.)

Diana Brown , CRNA

Nurse Anesthetist, Certified Registered

NPI 1487033114

Certified Registered Nurse Anesthetist

Kelly Hinson , ACNP

Nurse Practitioner - Acute Care

NPI 1558729905
Dr. Tyler Adamski , DNP

Nurse Practitioner - Family

NPI 1649708264

Doctor of Nursing Practice

Dr. Gerardo Gutierrez , MD

Emergency Medicine

NPI 1679599518

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 19, 2025

Nurse Practitioner (License #2024000101 in MO)

📍
Updated Business Mailing Address April 10, 2024

Registered at 660 MASON RIDGE CENTER DR STE 300, SAINT LOUIS, MO 631418512 (Tel: 6184638500)

NPI Profile Active January 04, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location January 04, 2024

Registered at 751 SAPPINGTON BRIDGE RD, SULLIVAN, MO 630802354 (Tel: 5734684186)

📍
Updated Business Mailing Address January 04, 2024

Registered at 3130 ROCK RD, BOURBON, MO 654416248 (Tel: 5732051441)

👤
Provider Name / Credentials Updated January 04, 2024

Recorded as COLBY STACK, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 04, 2024

Nurse Practitioner (License #2024000101 in MO)

🟢
Initial NPI Registration & Enumeration January 04, 2024

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: 1386414878
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 04, 2024
Last Update: September 19, 2025
Sole Proprietor: No

Mailing Address

660 Mason Ridge Center Dr Ste 300

Saint Louis, MO 631418512

Phone: 6184638500

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.