NPPES file of Aug 9, 2026

Tamsen Bassford, MD

Family Medicine Physician · Tucson, AZ

Tamsen Bassford, MD is a family medicine physician with a practice address in Tucson, Arizona, and NPI 1265404933, issued on Feb 6, 2006. Check the license (Arizona 17251, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1265404933
Name
Tamsen Bassford
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
17251 AZ
Self-reported in NPPES; status is on the state search
Practice location
2800 E Ajo Way, Tucson, AZ 85713
Phone
(520) 874-3500
Enumerated
Feb 6, 2006
Record last updated
May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicaid ID
273079 AZ
Medicare enrollment
Enrolled (PECOS I20100526000878); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2800 E Ajo Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anabel Aguayo, LCSWClinical Social Worker1023526290
  2. Nicholas Ahrendt, M.D.Psychiatry Physician1043744998
  3. Samantha AkersPsychiatry Physician1609700061
  4. Sommer Aldulaimi, M.D.Family Medicine Physician1194013813
  5. Abdulaziz Almulhim, PHARMDPharmacist1063931194
  6. Beyann Alzoubi, MDPsychiatry Physician1528757887

Verify Tamsen Bassford in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 17251
    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.

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81% fewer Medicare Part D claims than the average family medicine physician in 2024

685 Medicare Part D claims for 32 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Tamsen Bassford685
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium51 claims
  2. Atorvastatin Calcium47 claims
  3. Metformin Hcl30 claims
  4. Fluticasone Propionate29 claims
  5. Lisinopril28 claims
  6. Nystatin28 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.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%98.7
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Banner-University Medical GroupTucson, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tamsen Bassford among 3,119 family medicine physician records in Arizona

Tamsen Bassford, MD 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
  • Graduated1983 · median 2006 among the 1,775 with a school on file
  • Record last updated2008 · 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Holly Beach, M.D.Tucson, AZ 857131689879751
  2. Melanie Crowshoe, MDTucson, AZ 857131417920752
  3. John Harris, D.O.Tucson, AZ 857131740257757
  4. Lane Johnson, MDTucson, AZ 857131578538146
  5. Jerome Koleski, MDTucson, AZ 857131871763979
  6. Karyn Kolman, MDTucson, AZ 857131427098516
  7. Terri Kresha, M.D.Tucson, AZ 857131962600692
  8. Donald Kwasman, DOTucson, AZ 857131528079126

Common questions

What is Tamsen Bassford, MD's NPI number?

Tamsen Bassford, MD's National Provider Identifier (NPI) is 1265404933, issued on Feb 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tamsen Bassford, MD located?

The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (520) 874-3500. Providers update this record themselves, so call before visiting.

How can I verify Tamsen Bassford, MD's license?

NPPES lists Arizona license number 17251, 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 Tamsen Bassford, MD prescribe under Medicare Part D?

In 2024, Tamsen Bassford, MD had 685 Medicare Part D claims for 32 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Tamsen Bassford, MD'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.