Nestor N. Nazareno, M.D.
Internal Medicine Physician · Surprise, AZ
Nestor N. Nazareno, M.D. is an internal medicine physician with a practice address in Surprise, Arizona, and NPI 1386617629, issued on Feb 8, 2006. Check the license (Arizona 23491, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nestor N. Nazareno
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23491 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 14273 W Grand Ave Ste 100, Surprise, AZ 85374
- Phone
- (623) 428-8189
- Enumerated
- Feb 8, 2006
- Record last updated
- Mar 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20050608000969); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 14273 W Grand Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sheryl Chua, FNP-CFamily Nurse Practitioner1679263164
- Cyril GampolFamily Nurse Practitioner1265158786
- Guen Cecilia TawagonFamily Nurse Practitioner1609415744
- Antonio Yu, MDInternal Medicine Physician1770564171
Verify Nestor N. Nazareno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 23491Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.7 times the Medicare Part D claims of the average internal medicine physician in 2024
11,858 Medicare Part D claims for 768 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 26 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium774 claims
- Levothyroxine Sodium564 claims
- Atorvastatin Calcium523 claims
- Lisinopril437 claims
- Losartan Potassium371 claims
- Metformin Hcl342 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: $94.40
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Centerwell Senior Primary Care AZ PCSurprise, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nestor N. Nazareno among 2,853 internal medicine physician records in Arizona
Nestor N. Nazareno, 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1989 · median 2003 among the 1,643 with a school on file
- Record last updated2026 · 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).
32 internal medicine physician records list a practice address in Surprise
They are 32 of the 2,121 NPPES records with a practice address in Surprise, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Surprise → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julaiha Ariff, MDSurprise, AZ 853741831188689
- Jagdeep Bains, M.DSurprise, AZ 853741013966621
- Barbara Bialowolska-Romaniuk, M.D.Surprise, AZ 853741114946621
- Sharon Hernly, RN, MSN, ANP, CGNPSurprise, AZ 853741760471510
- Ramit Kahlon, MDSurprise, AZ 853741841267614
- Amardeep Majhail, MDSurprise, AZ 853741043325483
- Kishor Mehta, MDSurprise, AZ 853741609878263
- Dilipkumar Patel, M.D.Surprise, AZ 853741184698623
Common questions
What is Nestor N. Nazareno, M.D.'s NPI number?
Nestor N. Nazareno, M.D.'s National Provider Identifier (NPI) is 1386617629, issued on Feb 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nestor N. Nazareno, M.D. located?
The NPPES record lists a practice address at 14273 W Grand Ave Ste 100, Surprise, AZ, 85374. Phone: (623) 428-8189. Providers update this record themselves, so call before visiting.
How can I verify Nestor N. Nazareno, M.D.'s license?
NPPES lists Arizona license number 23491, 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 Nestor N. Nazareno, M.D. prescribe under Medicare Part D?
In 2024, Nestor N. Nazareno, M.D. had 11,858 Medicare Part D claims for 768 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.