COLBY ANDREW STACK NP
NPI 1386414878
Nurse Practitioner in Sullivan, MO

Active since January 04, 2024PECOS EnrolledAccepts Medicare Assignment
751 SAPPINGTON BRIDGE RD, SULLIVAN, MO 63080(573) 468-4186 Get Directions Write a Review

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Sep 19, 2025, Apr 10, 2024, Mar 7, 2024 and 1 more (4 updates tracked since 2024).

About Colby Andrew Stack Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COLBY ANDREW STACK NP (NPI 1386414878) is an individual nurse practitioner provider in Sullivan, Missouri, licensed in Missouri (2024000101) and active in the NPI registry since January 2024. He is enrolled in Medicare PECOS, is affiliated with Missouri Baptist Medical Center, and is a graduate of Other (2021).Information from the official NPPES registry record, last updated September 19, 2025.

NPPES Registry Identity

NPI1386414878
Entity TypeIndividualMale
Provider Legal NameCOLBY ANDREW STACKCredential: NP
Location Address751 SAPPINGTON BRIDGE RDSullivan, MO 63080-2354
Mailing Address660 Mason Ridge Center Dr Ste 300Saint Louis, MO 63141-8512 · (618) 463-8500
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 4, 2024
Last NPPES UpdateSeptember 19, 20254 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2025
NPI 1386414878 is a valid, active identifier and passes the ISO check-digit test. How NPI validation works

Primary Specialty

Nurse Practitioner

Taxonomy 363L00000X · Physician Assistants & Advanced Practice Nursing Providers

Licensed in 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… Show more

Also Listed

Nurse Practitioner · Acute Care

Taxonomy 363LA2100X · Physician Assistants & Advanced Practice Nursing Providers

Licensed in MO · 2024000101
751 SAPPINGTON BRIDGE RD, Sullivan, MO 63080

Medicare Participation & PECOS Enrollment Status

Colby Stack is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Colby Stack is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 648619361

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20240415001653

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 58 times for 57 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $20.41 for a new patient copayment and $23.31 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 63080 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $81.64
  • Minimum New Patient Price $52.28
  • Maximum New Patient Price $161.24
  • Average New Patient Copayment $20.41
  • Minimum New Patient Copayment $13.07
  • Maximum New Patient Copayment $40.31

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $93.24
  • Minimum Established Patient Price $16.3
  • Maximum Established Patient Price $131.05
  • Average Established Patient Copayment $23.31
  • Minimum Established Patient Copayment $4.07
  • Maximum Established Patient Copayment $32.76

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Colby Stack is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MISSOURI BAPTIST MEDICAL CENTER3015 N BALLAS RD
TOWN AND COUNTRY, MO 63131
(314) 996-5000Acute Care Hospitals
MISSOURI BAPTIST SULLIVAN HOSPITAL751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
(573) 468-4186Critical Access Hospitals

Reviews for COLBY ANDREW STACK NP

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Emergency Medicine
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Emergency Medicine
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Pathology (Anatomic Pathology & Clinical Pathology)
751 SAPPINGTON BRIDGE RD, ATTN: PATHOLOGY DEPARTMENT
SULLIVAN, MO 63080
Dietitian, Registered
751 SAPPINGTON BRIDGE RD, MISSOURI BAPTIST HOSPITAL - SULLIVAN
SULLIVAN, MO 63080
Dietitian, Registered
751 SAPPINGTON BRIDGE RD, MISSOURI BAPTIST HOSPITAL-SULLIVAN
SULLIVAN, MO 63080
Family Medicine
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Nurse Practitioner (Acute Care)
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Nurse Practitioner
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Physician Assistant
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Clinic/Center (Multi-Specialty)
751 SAPPINGTON BRIDGE RD, ADMINISTRATION
SULLIVAN, MO 63080
Clinical Medical Laboratory
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Nurse Practitioner (Family)
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Nurse Practitioner (Family)
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Ambulance
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
General Acute Care Hospital (Critical Access)
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Medicare Defined Swing Bed Unit
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Psychiatric Unit
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Nurse Anesthetist, Certified Registered
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Hospitalist
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080
Hospitalist
751 SAPPINGTON BRIDGE RD
SULLIVAN, MO 63080

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386414878, enumerated as an "individual" on January 04, 2024.

The provider is located at 751 SAPPINGTON BRIDGE RD SULLIVAN, MO 63080 and the phone number is (573) 468-4186.

Nurse Practitioner with taxonomy code 363L00000X.

Colby Stack is affiliated with: MISSOURI BAPTIST MEDICAL CENTER and MISSOURI BAPTIST SULLIVAN HOSPITAL.