Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Patrick W Stack, M.D.
Pediatrics Physician in Madison, IN · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710918891
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Registry record
Entity type Individual (Type 1)
Name Patrick W Stack
Credential M.D.
Sex Male
Practice address 1373 E Sr 62, Madison, IN, 47250
Phone (812) 801-0300
Fax (812) 801-0585
Enumeration date Jul 6, 2006
Last updated in NPPES Feb 20, 2019
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 412626P | Other | IN | SIHO |
| 4370916 | Other | - | AETNA |
| 000000042211 | Other | IN | ANTHEM BCBS |
| 1082594 | Other | KY | PASSPORT KY MEDICAID |
| 100148850A | Medicaid | IN | - |
| 64759798 | Medicaid | KY | - |
| 2435578000 | Other | KY | PASSPORT ADVANTAGE |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Patrick Stack practice?
The practice location on file with NPPES is in Madison, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Patrick Stack?
The National Provider Identifier (NPI) for Patrick Stack is 1710918891, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Norton - Kings Daughters Health, Inc General Acute Care Hospital · Madison, IN NPI 1518916048 Robert Ellis Family Medicine Physician · Madison, IN NPI 1316976855 Susan Stack Pediatrics Physician · Madison, IN NPI 1588696314 Paul Rosenberg Orthopaedic Surgery Physician · Madison, IN NPI 1508881160 Panna Patel Internal Medicine Physician · Madison, IN NPI 1891891123 Norton King'S Daughters' Health Inc General Acute Care Hospital · Madison, IN NPI 1023232592 Edward Kubek Plastic Surgery Physician · Madison, IN NPI 1992906382 William Porter Radiation Oncology Physician · Madison, IN NPI 1245530203
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-20.