Nathan K. Hatfield, D.O.
Internal Medicine Physician · Mesa, AZ
Nathan K. Hatfield, D.O. is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1053846105, issued on Apr 26, 2017. Check the license (Arizona 008505, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan K. Hatfield
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 008505 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 6820 E Brown RD, Mesa, AZ 85207
- Phone
- (480) 718-1285
- Enumerated
- Apr 26, 2017
- Record last updated
- Sep 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (480) 718-1301
- Medicare enrollment
- Enrolled (PECOS I20200812001318); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Virginia Campus, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 6820 E Brown RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marivic Guanso, FNP-CFamily Nurse Practitioner1669951729
- Erol Leblanc, DOFamily Medicine Physician1689629719
- Gary Moersch, PA-CMedical Physician Assistant1932150927
- Jay Swanson, M.D.Family Medicine Physician1346265675
Verify Nathan K. Hatfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 008505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average internal medicine physician in 2024
4,014 Medicare Part D claims for 451 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 38 claims were for opioids.
Most prescribed
- Atorvastatin Calcium207 claims
- Levothyroxine Sodium160 claims
- Rosuvastatin Calcium160 claims
- Lisinopril149 claims
- Amlodipine Besylate146 claims
- Pantoprazole Sodium128 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
- Honorhealth Medical Group, LLCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan K. Hatfield among 2,853 internal medicine physician records in Arizona
Nathan K. Hatfield, D.O. is one of 2,853 internal 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 2017, is newer than 75% of them.
- NPI issued2017 · 75% of these records are older, 23% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2017 · median 2003 among the 1,643 with a school on file
- Record last updated2020 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline Carter, M.D.Mesa, AZ 852071669468807
- Michael Lucherini, MD MSMesa, AZ 852071518922566
- Demarie Olu-Williams, D.OMesa, AZ 852071841533791
- Kirit Patel, MDMesa, AZ 852071265497218
- Daksha Patel, MDMesa, AZ 852071972834976
- Ramesh Ramaswamy, M.D.Mesa, AZ 852071144310863
- Ashley Vallesarmand, MDMesa, AZ 852071760124002
- Hassan Abbas, D.O.Mesa, AZ 852061477294775
Common questions
What is Nathan K. Hatfield, D.O.'s NPI number?
Nathan K. Hatfield, D.O.'s National Provider Identifier (NPI) is 1053846105, issued on Apr 26, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Nathan K. Hatfield, D.O. located?
The NPPES record lists a practice address at 6820 E Brown RD, Mesa, AZ, 85207. Phone: (480) 718-1285. Providers update this record themselves, so call before visiting.
How can I verify Nathan K. Hatfield, D.O.'s license?
NPPES lists Arizona license number 008505, 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 Nathan K. Hatfield, D.O. prescribe under Medicare Part D?
In 2024, Nathan K. Hatfield, D.O. had 4,014 Medicare Part D claims for 451 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.