Charles Zachary Aggen
Emergency Medicine Physician · Mobile, AL
Charles Zachary Aggen is an emergency medicine physician with a practice address in Mobile, Alabama, and NPI 1518617224, issued on Mar 25, 2022. Check the license (Alabama 1518617224, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Zachary Aggen
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 1518617224 AL
Self-reported in NPPES; status is on the state search - Practice location
- 2451 University Hospital Dr, Mobile, AL 36617
- Phone
- (251) 471-7907
- Enumerated
- Mar 25, 2022
- Record last updated
- Oct 24, 2023
- Medicare enrollment
- Enrolled (PECOS I20250611002118); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2451 University Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Olamide Adefashola, MDStudent in an Organized Health Care Education/Training Program1346945037
- Michael Aguilar, M.D.Diagnostic Radiology Physician1770978454
- Anas AljabiGastroenterology Physician1558083881
- Mohammad Alsit Alkhabbaz, M.DInternal Medicine Physician1255160883
- Samuel Anich, DOEmergency Medicine Physician1104529395
- Nikki Arceneaux, MDStudent in an Organized Health Care Education/Training Program1720781016
Verify Charles Zachary Aggen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 1518617224Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average emergency medicine physician in 2024
63 Medicare Part D claims for 42 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $180.20
4 payments; by number, the most common kind was food and beverage; the largest payer was Molnlycke Health Care US, LLC. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baldwin Emergency Physicians, P.C..Fairhope, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
78 emergency medicine physician records list a practice address in Mobile
They are 78 of the 6,309 NPPES records with a practice address in Mobile, and 678 emergency medicine physician records in Alabama.
All 78 in Mobile → All 678 in Alabama → Every provider in Mobile →
Other emergency medicine physician records in Alabama
- Donald Abele, MDBirmingham, AL1669420394
- Dylana Adams, MDAlabaster, AL1104566116
- Elizabeth Adams, M.D.Birmingham, AL1013236975
- Gregory Adrian, DOBirmingham, AL1548919939
- Russell Alexander, D.O.Russellville, AL1174571285
- Mathias Allen, M.D.Huntsville, AL1396002549
- Jeffrey Allman, D.O.Dothan, AL1104890995
- Jorge Alsip, MDMobile, AL1326143249
- Michael Ambrose, MDMobile, AL1427023696
- Jarad Anderson, MDBirmingham, AL1952922759
Common questions
What is Charles Zachary Aggen's NPI number?
Charles Zachary Aggen's National Provider Identifier (NPI) is 1518617224, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Charles Zachary Aggen located?
The NPPES record lists a practice address at 2451 University Hospital Dr, Mobile, AL, 36617. Phone: (251) 471-7907. Providers update this record themselves, so call before visiting.
How can I verify Charles Zachary Aggen's license?
NPPES lists Alabama license number 1518617224, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Zachary Aggen prescribe under Medicare Part D?
In 2024, Charles Zachary Aggen had 63 Medicare Part D claims for 42 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.