RYAN ANDREW STACK AGACNP-BC
NPI 1013634419
Nurse Practitioner - Acute Care in Mobile, AL

Active since October 26, 2022PECOS EnrolledAccepts Medicare Assignment
101 MEMORIAL HOSPITAL DR STE 200, MOBILE, AL 36608(251) 414-5900(251) 459-8964 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 4, 2026, Oct 11, 2024, Oct 5, 2024 and 1 more (4 updates tracked since 2022).

About Ryan Andrew Stack Agacnp-bc NPPES

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

RYAN ANDREW STACK AGACNP-BC (NPI 1013634419) is an individual acute care provider in Mobile, Alabama, licensed in Alabama (1-181242) and active in the NPI registry since October 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1013634419
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameRYAN ANDREW STACKCredential: AGACNP-BC
Location Address101 MEMORIAL HOSPITAL DR STE 200Mobile, AL 36608-1787
Mailing Address101 Memorial Hospital Dr Ste 200Mobile, AL 36608-1787 · (251) 414-5900 · Fax (251) 459-8964
Fax(251) 459-8964
Sole ProprietorYes
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 26, 2022
Last NPPES UpdateJune 4, 20264 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
NPI 1013634419 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in AL · 1-181242
101 MEMORIAL HOSPITAL DR STE 200, Mobile, AL 36608

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ryan Andrew Stack Agacnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244769214
PECOS Enrollment IDI20250121003537
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36608 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$81.90 typical visit price
range $52.65 – $161.63
Typical copayment $20.47 (range $13.16 – $40.40)
Most-billed visit code 99203
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physical Therapist
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Internal Medicine (Infectious Disease)
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Physician Assistant
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Nurse Practitioner
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Internal Medicine (Infectious Disease)
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Internal Medicine
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Internal Medicine (Infectious Disease)
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608
Family Medicine
101 MEMORIAL HOSPITAL DR STE 200
MOBILE, AL 36608

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ryan Stack's NPI number?

The NPI number for Ryan Stack is 1013634419. It was assigned to this individual provider in the NPPES registry on October 26, 2022.

Where is Ryan Stack located?

Ryan Stack practices at 101 Memorial Hospital Dr Ste 200, Mobile, AL 36608. The listed phone number is (251) 414-5900.

What is Ryan Stack's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Ryan Stack enrolled in Medicare?

Yes. Ryan Stack is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Ryan Stack accept?

Health plans from Ambetter Health, Ambetter from Magnolia Health, Ambetter of Alabama, Ambetter of Tennessee and Blue Cross and Blue Shield of Alabama list Ryan Stack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ryan Stack was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.