Eamon Collison Armstrong, M.D.
Family Medicine Physician · Tucson, AZ
Eamon Collison Armstrong, M.D. is a family medicine physician with a practice address in Tucson, Arizona, and NPI 1629036934, issued on May 3, 2006. Check the license (Arizona 33513, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eamon Collison Armstrong
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33513 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 707 N Alvernon Way Ste 101, Tucson, AZ 85711
- Phone
- (520) 694-8888
- Enumerated
- May 3, 2006
- Record last updated
- Mar 5, 2025
- Fax
- (520) 694-1640
- Medicaid ID
- 1792319 AZ
- Medicare enrollment
- Enrolled (PECOS I20190822000686); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Also registered at 707 N Alvernon Way Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eamon Collison Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 33513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
112 Medicare Part D claims for 24 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril15 claims
- Atorvastatin Calcium13 claims
- Gabapentin12 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.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Banner-University Medical GroupTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eamon Collison Armstrong among 3,119 family medicine physician records in Arizona
Eamon Collison Armstrong, M.D. 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 fileYes · 57% of these records are
- Graduated1987 · median 2006 among the 1,775 with a school on file
- Record last updated2025 · 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).
554 family medicine physician records list a practice address in Tucson
They are 554 of the 18,788 NPPES records with a practice address in Tucson, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Tucson → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mary Blatt, M.D.Tucson, AZ 857111902883127
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- Rinly Gecosala, M.D., M.P.H.Tucson, AZ 857111033177043
- Linda Granath, M.D.Tucson, AZ 857111447235841
- Ramesh Karra, MDTucson, AZ 857111891759452
- Randa Kutob, MDTucson, AZ 857111326145889
- Patricia Lebensohn, MDTucson, AZ 857111295832756
Common questions
What is Eamon Collison Armstrong, M.D.'s NPI number?
Eamon Collison Armstrong, M.D.'s National Provider Identifier (NPI) is 1629036934, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eamon Collison Armstrong, M.D. located?
The NPPES record lists a practice address at 707 N Alvernon Way Ste 101, Tucson, AZ, 85711. Phone: (520) 694-8888. Providers update this record themselves, so call before visiting.
How can I verify Eamon Collison Armstrong, M.D.'s license?
NPPES lists Arizona license number 33513, 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 Eamon Collison Armstrong, M.D. prescribe under Medicare Part D?
In 2024, Eamon Collison Armstrong, M.D. had 112 Medicare Part D claims for 24 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Eamon Collison Armstrong, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.