Registry data as of Aug 27, 2026

Michael Ammann, DO

Family Medicine Physician · Green Valley, AZ

Michael 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.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1932264843
Name
Michael 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
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Michael Ammann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 2536
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

28% 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 3,519 among the 111,126 providers of this specialty who prescribed in Part D.

  1. Michael Ammann2,520
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium196 claims
  2. Amlodipine Besylate162 claims
  3. Levothyroxine Sodium134 claims
  4. Losartan Potassium130 claims
  5. Rosuvastatin Calcium111 claims
  6. 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.

18 family medicine physician records list a Green Valley practice address

They are 18 of the 307 NPPES records with a Green Valley practice address, and 3,070 family medicine physician records in Arizona.

Other family medicine physician records in Arizona

  1. Muhammad Aamer, M.D.Yuma, AZ1437574720
  2. Ndidi Abara, M.D.Yuma, AZ1295115145
  3. Steven Abdelmalak, MDScottsdale, AZ1205092806
  4. Lindsey Abeyta, FNPTucson, AZ1043027857
  5. Modupeola Abiodun, M.D.Chandler, AZ1225326853
  6. Sara Abolmolouk, MDTucson, AZ1497043715
  7. Ahmed Abouzeid, MDGlendale, AZ1871619601
  8. Edward Abraham, M.D.Phoenix, AZ1144593211
  9. Rebecca Abraham, M.D.Surprise, AZ1437273323
  10. Karen Acevedo-Mogharbel, D.OMesa, AZ1245222074

Common questions

What is Michael Ammann, DO's NPI number?

Michael 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 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 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 Ammann, DO prescribe under Medicare Part D?

In 2024, Michael Ammann, DO had 2,520 Medicare Part D claims for 400 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.