Benjamin Claussen
Family Medicine Physician · Mesa, AZ
Benjamin Claussen is a family medicine physician with a practice address in Mesa, Arizona, and NPI 1013606169, issued on May 4, 2023. Check the license (Arizona R4126, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Benjamin Claussen
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R4126 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1355 N. Scottsdale RD., Mesa, AZ 85209
- Phone
- (480) 358-6100
- Enumerated
- May 4, 2023
- Record last updated
- Jul 10, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify Benjamin Claussen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R4126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
336 Medicare Part D claims for 101 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Levothyroxine Sodium18 claims
- Metformin Hcl18 claims
- Atorvastatin Calcium17 claims
- Lisinopril15 claims
- Rosuvastatin Calcium12 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.
Benjamin Claussen among 3,119 family medicine physician records in Arizona
Benjamin Claussen 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 2023, is newer than 94% of them.
- NPI issued2023 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2026 · 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).
194 family medicine physician records list a practice address in Mesa
They are 194 of the 9,151 NPPES records with a practice address in Mesa, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Mesa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Allen, MDMesa, AZ 852091952380925
- Kerry Amstutz, DOMesa, AZ 852091336217181
- Connie Catron, M.D.Mesa, AZ 852091255433231
- Bradley Downing, DOMesa, AZ 852091164414116
- Justin Dufner, D.O.Mesa, AZ 852091457619371
- Dana Farris, MDMesa, AZ 852091033214200
- Monika Herdzik, MDMesa, AZ 852091730386186
- William Lawless, MDMesa, AZ 852091316927098
Common questions
What is Benjamin Claussen's NPI number?
Benjamin Claussen's National Provider Identifier (NPI) is 1013606169, issued on May 4, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Claussen located?
The NPPES record lists a practice address at 1355 N. Scottsdale RD., Mesa, AZ, 85209. Phone: (480) 358-6100. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Claussen's license?
NPPES lists Arizona license number R4126, 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 Benjamin Claussen prescribe under Medicare Part D?
In 2024, Benjamin Claussen had 336 Medicare Part D claims for 101 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.