DR. KRISTEN DIORA ROBERTSON M.D., M.P.H.
NPI 1942565825
Emergency Medicine in Tucson, AZ
About Dr. Kristen Diora Robertson M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KRISTEN DIORA ROBERTSON M.D., M.P.H. (NPI 1942565825) is an individual emergency medicine provider in Tucson, Arizona, licensed in Arizona (R73203) and active in the NPI registry since July 2012. She is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and is a graduate of University Of Texas Medical Branch At Galveston (2012).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Kristen Diora Robertson M.d., M.p.h. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
12Medicare enrollment records show Kristen Robertson reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 1,452 clinicians in this Medicare group
Gonzales, TX 78629
- Reassigned Medicare billing, Texas enrollment
- 430 clinicians in this Medicare group
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- 118 clinicians in this Medicare group
Victoria, TX 77901
- Reassigned Medicare billing, Texas enrollment
- 153 clinicians in this Medicare group
Tyler, TX 75701
- Reassigned Medicare billing, Texas enrollment
- 547 clinicians in this Medicare group
Jacksonville, TX 75766
- Reassigned Medicare billing, Texas enrollment
- 409 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,296 clinicians in this Medicare group
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 2,554 clinicians in this Medicare group
Angleton, TX 77515
- Reassigned Medicare billing, Texas enrollment
- 59 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Texas Medical Branch Galveston
Acute Care Hospitals · Galveston, TXMatagorda Regional Medical Center
Acute Care Hospitals · Bay City, TXHca Houston Healthcare Clear Lake
Acute Care Hospitals · Webster, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85713
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kristen Robertson's NPI number?
The NPI number for Kristen Robertson is 1942565825. It was assigned to this individual provider in the NPPES registry on July 7, 2012.
Where is Kristen Robertson located?
Kristen Robertson practices at 2800 E Ajo Way, Tucson, AZ 85713. The listed phone number is (409) 457-3542.
What is Kristen Robertson's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Kristen Robertson enrolled in Medicare?
Yes. Kristen Robertson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kristen Robertson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Robertson reassigns Medicare benefits to 12 organizations: Concord Medical Group Of Texas PLLC (Lubbock, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Victoria Emergency Partners LLC (Gonzales, TX), Lone Star Emergency Associates LLC (Victoria, TX), Victoria Emergency Associates LLC (Victoria, TX) and 7 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristen Robertson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristen Robertson accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Health, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit and 1 other insurer list Kristen Robertson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Kristen Robertson affiliated with any hospitals?
According to CMS data, Kristen Robertson is affiliated with University Of Texas Medical Branch Galveston, Matagorda Regional Medical Center and Hca Houston Healthcare Clear Lake.
When was this NPI record last updated?
The NPPES record for Kristen Robertson was last updated on July 7, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Kristen Diora Robertson, M.D., M.P.H. · NPI 1942565825
Emergency Medicine physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since July 7, 2012.
## Identity
- **NPI:** 1942565825 (Entity type: Individual)
- **Enumerated:** July 7, 2012
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** R73203 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 E AJO WAY, Tucson, AZ 85713-6204
- **Phone:** (409) 457-3542
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 12 organizations under Medicare reassignment (form CMS-855R): Concord Medical Group Of Texas PLLC (NPI 1750790762, Lubbock, TX); Emergency Medicine Services Of Tx, PLLC (NPI 1245938729, San Antonio, TX); Victoria Emergency Partners LLC (NPI 1164770996, Gonzales, TX); Lone Star Emergency Associates LLC (NPI 1457709040, Victoria, TX); Victoria Emergency Associates LLC (NPI 1407917164, Victoria, TX); and 7 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical Branch At Galveston, class of 2012
## Record status
- **NPPES last updated:** July 7, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1942565825) · Data from the CMS NPPES public registry.