NPI Portal NPI Lookup & Verification

Jason Alan Drennan, DO

Jason Alan Drennan is a Anesthesiology Physician provider (Anesthesiology) practicing in Springfield, MO, registered in the NPPES registry with NPI 1548572738 since 2010. The credential DO stands for Doctor of Osteopathic Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1548572738
Entity type Individual (Type 1)
Name Jason Alan Drennan
Credential DO
Sex Male
Practice address 3801 S NATIONAL AVE, Springfield, MO, 65807
Phone 4172696000
Enumeration date 2010-07-05
Last updated in NPPES 2022-07-21

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207L00000X Anesthesiology Physician Primary 2013011933 MO

DO — Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

Other identifiers

Identifier Type State Issuer
010593800 Medicaid FL
Copy-ready billing details
Provider: Jason Drennan, DO
NPI: 1548572738
Taxonomy: 207L00000X (Anesthesiology Physician)
Address: 3801 S NATIONAL AVE, Springfield, MO, 65807

Other providers at this practice address

NPI Name Type Specialty Location
1033036132 Darion Mccorkell Individual Student in an Organized Health Care Education/Training Program Springfield, MO
1932026416 Nathan Petersen Individual Critical Care Medicine Registered Nurse Springfield, MO
1386640910 Ian Fawks Individual Family Medicine Physician Springfield, MO
1477546539 Diana Wolfe Individual Internal Medicine Physician Springfield, MO
1407842412 Thomas Gregory Individual Pharmacotherapy Pharmacist Springfield, MO
1780670463 Sam Alexander Individual Emergency Medicine Physician Springfield, MO
1174519821 Jacob Baltz Individual Emergency Medicine Physician Springfield, MO
1558347237 Mosbah Kreimid Individual Pulmonary Disease Physician Springfield, MO

Verify this record

Cross-check NPI 1548572738 against the authoritative CMS record: view Jason Alan Drennan on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Jason Drennan?
The National Provider Identifier (NPI) for Jason Drennan is 1548572738, a Type 1 (individual) record in the CMS NPPES registry.
Where does Jason Drennan practice?
The practice location on file with NPPES is in Springfield, MO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-07-21.