Dr. Nathan K. Hatfield, DO
- Medicare services, 2024
- 888
- Medicare patients, 2024
- 192
- Part D claims, 2024
- 4,014
- Hospital affiliations
- 1
- Industry payments
- $157
- Practice address
- 76 W Guadalupe Rd, Gilbert, AZ 85233
- Practice phone
- Call (844) 969-0686
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group Arizona
Gilbert, Arizona
Find Dr. Hatfield's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nathan K. Hatfield is an internist in Gilbert, Arizona
Dr. Hatfield practices at Summit Medical Group Arizona in Gilbert, Arizona.
Dr. Hatfield's NPI, 1053846105, was assigned on April 26, 2017. Dr. Hatfield graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2017. Dr. Hatfield holds Arizona license 008505.
- NPI
- 1053846105NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193141802
- NPI enumeration date
- April 26, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (844) 969-0686
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nathan K. Hatfield practices at Summit Medical Group Arizona in Gilbert, Arizona
Dr. Hatfield's primary practice is Summit Medical Group Arizona, at 76 W Guadalupe Rd, Gilbert, AZ 85233 in Maricopa County. The practice phone is (844) 969-0686.
- Summit Medical Group Arizona76 W Guadalupe Rd, Gilbert, AZ 85233 · Maricopa CountyPhone(844) 969-0686
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nathan K. Hatfield is affiliated with 3 sites of care and 1 medical group
Dr. Hatfield's primary practice is Summit Medical Group Arizona in Gilbert, Arizona. Dr. Hatfield is also affiliated with HonorHealth Four Peaks Medical Center. The medical group on file is HonorHealth Medical Group. Dmand AI also links Dr. Hatfield to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nathan K. Hatfield's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hatfield practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group Arizona | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nathan K. Hatfield is one of 2,420 internists in Arizona
Internal medicine is Dr. Hatfield's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hatfield is licensed in Arizona.
Specialties and state licenses
- Internal medicine, ArizonaPrimary
Internists near Dr. Hatfield
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nathan K. Hatfield billed Medicare for 888 services in 2024
CMS data shows 888 Medicare services from Dr. Hatfield across 16 procedure codes in 2024, for 192 Medicare patients. Medicare paid $40,735 for them. Every service was in an office.
Dr. Hatfield's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,3832024: 28092%
- Office and hospital visits
- 2023: 3252024: 27416%
- Other services
- 2023: 872024: 272213%
- Surgery
- 2023: 1492024: 4868%
- Tests and treatments
- 2023: 132024: 148%
Dr. Hatfield compared with the Arizona median for internists, 2024
- Dr. Hatfield
- Arizona median
- Medicare services
- 888vs 47687% above
- Medicare patients
- 192vs 2056% below
- Part D claims
- 3,341vs 26012.8 times
Medians across 2,300 internists in Arizona with Dmand AI profiles that report each measure.
Dr. Hatfield's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hatfield?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hatfield and other internists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nathan K. Hatfield treated 192 Medicare patients in 2024, average age 74
CMS counts 192 Medicare patients who saw Dr. Hatfield in 2024. The largest group is 65 to 74, with 101 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hatfield's median patient age at 63, with 59% women.
Dr. Hatfield's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hatfield's Medicare patients by sex, 2024
- Women10555%
- Men8745%
Chronic conditions among Dr. Hatfield's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis49%
- Ischemic heart disease34%
- Chronic kidney disease27%
- Mood disorders26%
- Depression24%
- Diabetes22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hatfield's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nathan K. Hatfield wrote 4,014 Medicare Part D claims in 2024
In 2024, Dr. Hatfield wrote 4,014 Medicare Part D claims for 451 patients. 86% of them were for generic drugs. CMS names the drug for 3,341 of them, across 83 drugs with 11 or more claims each, at $298,981 in total drug cost. In 2023, CMS named 3,601 claims across 90 drugs.
Dr. Hatfield's Part D claims by kind of drug, 2024
- Generic3,471 claims86%
- Brand-name516 claims13%
- Other27 claims1%
Dr. Hatfield's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hatfield's Part D claims, 2024
- Opioids1%38 of 4,014 claims
- Antibiotics3%107 of 4,014 claims
- Antipsychotics, patients 65 and over0%11 of 4,014 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,6012024: 3,3417%
Drugs named by CMS: 83 in 2024, 90 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Nathan K. Hatfield offers telehealth to Medicare patients
Dr. Hatfield accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hatfield as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Nathan K. Hatfield received $157 in industry payments from 2021 to 2025
CMS Open Payments shows 3 general payments to Dr. Hatfield from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Tempus AI, Inc paid the most, $115.
General payments to Dr. Hatfield by program year, 2021 to 2025
Companies that paid Dr. Hatfield the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nathan K. Hatfield graduated from Edward Via Col of Osteo Medicine-Virginia Campus
Dr. Hatfield graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nathan K. Hatfield's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nathan K. Hatfield
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nathan K. Hatfield's NPI number?
Dr. Nathan K. Hatfield's NPI number is 1053846105. It was assigned on April 26, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Nathan K. Hatfield?
Dr. Nathan K. Hatfield is an internist in Gilbert, Arizona. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nathan K. Hatfield practice?
Dr. Hatfield practices at 76 W Guadalupe Rd, Gilbert, AZ 85233. Dr. Hatfield's primary practice is Summit Medical Group Arizona in Gilbert, Arizona. Dmand AI also links Dr. Hatfield to 1 group practice or clinic.
What is Dr. Nathan K. Hatfield's office phone number?
The practice phone on file for Dr. Hatfield is (844) 969-0686.
What is Dr. Nathan K. Hatfield's medical license number?
Dr. Hatfield holds Arizona license 008505.
Which hospitals is Dr. Nathan K. Hatfield affiliated with?
Dr. Hatfield is affiliated with HonorHealth Four Peaks Medical Center.
What medical group is Dr. Nathan K. Hatfield part of?
Dr. Hatfield is linked to HonorHealth Medical Group.
Does Dr. Nathan K. Hatfield accept Medicare?
Yes. CMS data shows Dr. Hatfield billed Medicare for 888 services in 2024, and Dr. Hatfield accepts Medicare assignment.
Does Dr. Nathan K. Hatfield offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hatfield as offering telehealth services.
How many Medicare patients does Dr. Nathan K. Hatfield see?
CMS counts 192 Medicare patients who saw Dr. Hatfield in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Nathan K. Hatfield bill to Medicare?
In 2024, Dr. Hatfield's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Nathan K. Hatfield go to medical school?
Dr. Hatfield graduated from Edward Via Col of Osteo Medicine-Virginia Campus in 2017.
What drugs does Dr. Nathan K. Hatfield prescribe most?
In 2024 Medicare Part D data, Dr. Hatfield's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Rosuvastatin Calcium.
Has Dr. Nathan K. Hatfield received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Dr. Hatfield from 3 companies from 2021 to 2025. The largest total came from Tempus AI, Inc.
How long has Dr. Nathan K. Hatfield been practicing?
Dr. Hatfield graduated from medical school in 2017, 9 years ago.
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