Kristen Diora Robertson, M.D., M.P.H.
Emergency Medicine Physician · Tucson, AZ
Kristen Diora Robertson, M.D., M.P.H. is an emergency medicine physician with a practice address in Tucson, Arizona, and NPI 1942565825, issued on Jul 7, 2012. Check the license (Arizona R73203, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Kristen Diora Robertson
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- R73203 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2800 E Ajo Way, Tucson, AZ 85713
- Phone
- (409) 457-3542
- Enumerated
- Jul 7, 2012
- Record last updated
- Jul 7, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150709000567); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 2800 E Ajo Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kristen Diora Robertson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license R73203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average emergency medicine physician in 2024
562 Medicare Part D claims for 314 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 103 claims were for opioids.
Most prescribed
- Cephalexin72 claims
- Hydrocodone-Acetaminophen44 claims
- Methocarbamol38 claims
- Acetaminophen-Codeine35 claims
- Azithromycin29 claims
- Tramadol Hcl24 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.
Bills Medicare through one group practice
- Barrier Reef Emergency Physicians PLLCGalveston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kristen Diora Robertson among 1,494 emergency medicine physician records in Arizona
Kristen Diora Robertson, M.D., M.P.H. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 55% of them.
- NPI issued2012 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2012 · median 2014 among the 828 with a school on file
- Record last updated2012 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
422 emergency medicine physician records list a practice address in Tucson
They are 422 of the 18,788 NPPES records with a practice address in Tucson, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tucson → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matthew Berkman, M.D.Tucson, AZ 857131992739643
- Santosh Davies, MDTucson, AZ 857131063485357
- Kurt Denninghoff, MDTucson, AZ 857131518948843
- Isaac Farrell, MDTucson, AZ 857131053587881
- Kristi Grall, MDTucson, AZ 857131851342604
- Thomas Kinane, M.DTucson, AZ 857131366462954
- Bernhard Knoblich, MDTucson, AZ 857131518066802
- Kevin Maxey, MDTucson, AZ 857131720187263
Common questions
What is Kristen Diora Robertson, M.D., M.P.H.'s NPI number?
Kristen Diora Robertson, M.D., M.P.H.'s National Provider Identifier (NPI) is 1942565825, issued on Jul 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Kristen Diora Robertson, M.D., M.P.H. located?
The NPPES record lists a practice address at 2800 E Ajo Way, Tucson, AZ, 85713. Phone: (409) 457-3542. Providers update this record themselves, so call before visiting.
How can I verify Kristen Diora Robertson, M.D., M.P.H.'s license?
NPPES lists Arizona license number R73203, 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 Kristen Diora Robertson, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Kristen Diora Robertson, M.D., M.P.H. had 562 Medicare Part D claims for 314 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.