Seth Thomas Six, FNP-C
Nurse Practitioner · Casa Grande, AZ
Seth Thomas Six, FNP-C is a nurse practitioner with a practice address in Casa Grande, Arizona, and NPI 1164039988, issued on Sep 25, 2020. Check the license (Arizona 295437, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Seth Thomas Six
- Credential
- FNP-C
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 295437 AZ
65849 ID
Self-reported in NPPES; status is on the state search - Practice location
- 560 N Camino Mercado Ste 7, Casa Grande, AZ 85122
- Phone
- (520) 836-5538
- Enumerated
- Sep 25, 2020
- Record last updated
- Jul 31, 2024
- Fax
- (844) 772-0049
- Medicare enrollment
- Enrolled (PECOS I20231031003772); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,423 in Arizona → Look up another NPI →
Also registered at 560 N Camino Mercado Ste 7
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margo Alvarez, FNP-CFamily Nurse Practitioner1285301812
- Christina BugliarelloPhysician Assistant1205603297
- Sarah CollinsFamily Nurse Practitioner1700648128
- Katharine Eakin, PHDPhysician Assistant1417763111
- Mehrdod Eleezeh, D.OGeneral Practice Physician1588190730
- Claude Fosdick, M.D.Family Medicine Physician1568408516
Verify Seth Thomas Six in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 295437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average nurse practitioner in 2024
1,880 Medicare Part D claims for 173 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide176 claims
- Levothyroxine Sodium105 claims
- Potassium Chloride82 claims
- Duloxetine Hcl63 claims
- Eliquis63 claims
- Atorvastatin Calcium58 claims
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.
Bills Medicare through one group practice
- Quantum Healthcare Medical Associates OF Arizona PCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth Thomas Six among 1,423 nurse practitioner records in Arizona
Seth Thomas Six, FNP-C is one of 1,423 nurse practitioner records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2020 · median 2019 among the 805 with a school on file
- Record last updated2024 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 nurse practitioner records list a practice address in Casa Grande
They are 17 of the 867 NPPES records with a practice address in Casa Grande, and 1,423 nurse practitioner records in Arizona.
All 1,423 in Arizona → Every provider in Casa Grande → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Leah Carter, RN, BSN, MSN, FNPCasa Grande, AZ 851221902019516
- Brandi Garcia, FNP-CCasa Grande, AZ 851221871061515
- Alizaman HiraniCasa Grande, AZ 851221194510032
- Cassandra Koontz, NPCasa Grande, AZ 851221609222827
- James Lamb, NPCasa Grande, AZ 851221710996434
- John Lewis, APRN-RNPCasa Grande, AZ 851221619436771
- Arlyn Mason, N.P.Casa Grande, AZ 851221962403113
- Camille McCarley, FNPCasa Grande, AZ 851221649648882
Common questions
What is Seth Thomas Six, FNP-C's NPI number?
Seth Thomas Six, FNP-C's National Provider Identifier (NPI) is 1164039988, issued on Sep 25, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Seth Thomas Six, FNP-C located?
The NPPES record lists a practice address at 560 N Camino Mercado Ste 7, Casa Grande, AZ, 85122. Phone: (520) 836-5538. Providers update this record themselves, so call before visiting.
How can I verify Seth Thomas Six, FNP-C's license?
NPPES lists Arizona license number 295437, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Seth Thomas Six, FNP-C prescribe under Medicare Part D?
In 2024, Seth Thomas Six, FNP-C had 1,880 Medicare Part D claims for 173 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.