Michael Thomas Ammann, DO
Family Medicine Physician · Green Valley, AZ
Michael Thomas Ammann, DO is a family medicine physician with a practice address in Green Valley, Arizona, and NPI 1932264843, issued on Dec 22, 2006. Check the license (Arizona 2536, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael Thomas Ammann
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2536 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1055 E LA Canada, Ste 135, Green Valley, AZ 85614
- Phone
- (520) 625-3230
- Enumerated
- Dec 22, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (520) 625-9162
- Medicaid ID
- 485767 AZ
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify Michael Thomas Ammann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 2536Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average family medicine physician in 2024
2,520 Medicare Part D claims for 400 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium196 claims
- Amlodipine Besylate162 claims
- Levothyroxine Sodium134 claims
- Losartan Potassium130 claims
- Rosuvastatin Calcium111 claims
- Simvastatin80 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.
Michael Thomas Ammann among 3,119 family medicine physician records in Arizona
Michael Thomas Ammann, 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. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2022 · 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).
19 family medicine physician records list a practice address in Green Valley
They are 19 of the 307 NPPES records with a practice address in Green Valley, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Green Valley → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Marie Benitez, MDGreen Valley, AZ 856141154303436
- Robert Brick, MDGreen Valley, AZ 856141780666065
- Laura Brown, MDGreen Valley, AZ 856141538252424
- Diane Downing, MDGreen Valley, AZ 856141366497786
- Jimmy Emery, M.D.Green Valley, AZ 856141295884336
- Steven Geise, DOGreen Valley, AZ 856141972571602
- Edward Holubowitch, M.D.Green Valley, AZ 856141427026319
- Rodolfo Jimenez, D.O.Green Valley, AZ 856141013910751
Common questions
What is Michael Thomas Ammann, DO's NPI number?
Michael Thomas Ammann, DO's National Provider Identifier (NPI) is 1932264843, issued on Dec 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Thomas Ammann, DO located?
The NPPES record lists a practice address at 1055 E LA Canada, Ste 135, Green Valley, AZ, 85614. Phone: (520) 625-3230. Providers update this record themselves, so call before visiting.
How can I verify Michael Thomas Ammann, DO's license?
NPPES lists Arizona license number 2536, 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.
How much does Michael Thomas Ammann, DO prescribe under Medicare Part D?
In 2024, Michael Thomas Ammann, DO had 2,520 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.