Brian L. Seyler, DO
Family Medicine Physician · Casa Grande, AZ
Brian L. Seyler, DO is a family medicine physician with a practice address in Casa Grande, Arizona, and NPI 1295780351, issued on May 24, 2006. Check the license (Arizona 4096, as entered in NPPES) on the Arizona Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Brian L. Seyler
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 4096 AZ
2111 WV
Self-reported in NPPES; status is on the state search - Practice location
- 1856 E Florence Blvd, Casa Grande, AZ 85222
- Phone
- (520) 836-2514
- Enumerated
- May 24, 2006
- Record last updated
- Nov 14, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (520) 836-9326
- Medicaid ID
- 2561302 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 1856 E Florence Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aaron Gloskowski, D.O.Family Medicine Physician1730107558
Verify Brian L. Seyler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 4096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brian L. Seyler among 3,119 family medicine physician records in Arizona
Brian L. Seyler, DO is one of 3,119 family medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 family medicine physician records list a practice address in Casa Grande
They are 18 of the 867 NPPES records with a practice address in Casa Grande, and 3,119 family medicine physician records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 3,119 in Arizona → Every provider in Casa Grande → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Aaron Gloskowski, D.O.Casa Grande, AZ 852221730107558
- Aniceto Gonda, MDCasa Grande, AZ 852221346275534
- Manuel GuerreroCasa Grande, AZ 852221962609727
- Timothy Baker, MDChandler, AZ 852241821079682
- Andrew Carroll, MDChandler, AZ 852241043214877
- Jessica Doney, MDChandler, AZ 852241255316642
- David Gannon, MDChandler, AZ 852241477534816
- Erlinda Rodriquez, MDChandler, AZ 852241861462764
Common questions
What is Brian L. Seyler, DO's NPI number?
Brian L. Seyler, DO's National Provider Identifier (NPI) is 1295780351, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian L. Seyler, DO located?
The NPPES record lists a practice address at 1856 E Florence Blvd, Casa Grande, AZ, 85222. Phone: (520) 836-2514. Providers update this record themselves, so call before visiting.
How can I verify Brian L. Seyler, DO's license?
NPPES lists Arizona license number 4096, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.