Summer D. Tewksbury, MD
Emergency Medicine Physician · Tuba City, AZ
Summer D. Tewksbury, MD is an emergency medicine physician with a practice address in Tuba City, Arizona, and NPI 1013138130, issued on May 2, 2007. Check the license (Arizona 41591, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Summer D. Tewksbury
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 41591 AZ
5315027390 MI
Self-reported in NPPES; status is on the state search - Practice location
- 167 North Main Street, Tuba City, AZ 86045
- Phone
- (928) 283-2501
- Enumerated
- May 2, 2007
- Record last updated
- Jun 26, 2024
- Medicare enrollment
- Enrolled (PECOS I20160817003205); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Also registered at 167 North Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monique Gia Abad, RNRegistered Nurse1114330883
- Dustin Abaonza, PHARM DPharmacist1063774057
- Kristin AbaonzaPharmacist1255643458
- Linda Abernathy, MDEmergency Medicine Physician1386687093
- Charles Adams, RNRegistered Nurse1821423021
- Abebe AdunaRegistered Nurse1417312794
Verify Summer D. Tewksbury in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 41591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average emergency medicine physician in 2024
81 Medicare Part D claims for 52 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Ondansetron Odt11 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
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Summer D. Tewksbury among 1,494 emergency medicine physician records in Arizona
Summer D. Tewksbury, MD 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 2007, is newer than 38% of them.
- NPI issued2007 · 38% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2006 · median 2014 among the 828 with a school on file
- Record last updated2024 · 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).
12 emergency medicine physician records list a practice address in Tuba City
They are 12 of the 1,011 NPPES records with a practice address in Tuba City, and 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tuba City → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Linda Abernathy, MDTuba City, AZ 860451386687093
- Kimberly Becker, DOTuba City, AZ 860451437461415
- Kenneth Bernard, MDTuba City, AZ 860451891094181
- Edward Chu, MD, MPHTuba City, AZ 860451730343443
- Thomas Grosheider, MDTuba City, AZ 860451962720888
- Regina Hart, DOTuba City, AZ 860451871889840
- Tamar Jeffery, MDTuba City, AZ 860451174701866
- Jeffrey Mason, MDTuba City, AZ 860451023179355
Common questions
What is Summer D. Tewksbury, MD's NPI number?
Summer D. Tewksbury, MD's National Provider Identifier (NPI) is 1013138130, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Summer D. Tewksbury, MD located?
The NPPES record lists a practice address at 167 North Main Street, Tuba City, AZ, 86045. Phone: (928) 283-2501. Providers update this record themselves, so call before visiting.
How can I verify Summer D. Tewksbury, MD's license?
NPPES lists Arizona license number 41591, 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 Summer D. Tewksbury, MD prescribe under Medicare Part D?
In 2024, Summer D. Tewksbury, MD had 81 Medicare Part D claims for 52 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.