Nathan Delafield, M.D.
Internal Medicine Physician · Scottsdale, AZ
Nathan Delafield, M.D. is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1497101398, issued on May 10, 2016. Check the license (Arizona 54952, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nathan Delafield
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 54952 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- May 10, 2016
- Record last updated
- Sep 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190508000189); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 2016
- 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 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nathan Delafield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 54952Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,030 Medicare Part D claims for 319 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium97 claims
- Amlodipine Besylate69 claims
- Levothyroxine Sodium53 claims
- Rosuvastatin Calcium49 claims
- Losartan Potassium47 claims
- Lisinopril32 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.
Industry payments in 2024: $48.38
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathan Delafield among 2,853 internal medicine physician records in Arizona
Nathan Delafield, M.D. 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 2016, is newer than 73% of them.
- NPI issued2016 · 73% of these records are older, 25% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2016 · 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).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Hanson, M.D.Scottsdale, AZ 852591417939828
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- Erum Jadoon, MDScottsdale, AZ 852591720071749
- Bruce Kimbel, M.D.Scottsdale, AZ 852591568444321
- Steven Krotzer, M.D.Scottsdale, AZ 852591972585354
- Frank Maguire, M.D.Scottsdale, AZ 852591659374189
- Pasquale Palumbo, M.D.Scottsdale, AZ 852591700869088
Common questions
What is Nathan Delafield, M.D.'s NPI number?
Nathan Delafield, M.D.'s National Provider Identifier (NPI) is 1497101398, issued on May 10, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Delafield, M.D. located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Nathan Delafield, M.D.'s license?
NPPES lists Arizona license number 54952, 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 Delafield, M.D. prescribe under Medicare Part D?
In 2024, Nathan Delafield, M.D. had 1,030 Medicare Part D claims for 319 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.