Julio Diaz, M.D.
Internal Medicine Physician · Linden, NJ
Julio Diaz, M.D. is an internal medicine physician with a practice address in Linden, New Jersey, and NPI 1831192129, issued on May 31, 2005. Check the license (New Jersey 25MA06029100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Julio Diaz
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA06029100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 328 W Saint Georges Ave, Linden, NJ 07036
- Phone
- (908) 925-2273
- Enumerated
- May 31, 2005
- Record last updated
- Feb 6, 2025
- Fax
- (908) 925-2235
- Medicare enrollment
- Enrolled (PECOS I20110325000006); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1990
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 328 W Saint Georges Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Bezozo, M.D.Internal Medicine Physician1245233543
- Alicia Bublitz, MS, RDNRegistered Dietitian1154094977
- Lorena Chicas, PA-CPhysician Assistant1255634093
- Allison Conklin, PAMedical Physician Assistant1013451491
- Theresa Filippelli, PAPhysician Assistant1750456885
- Tina Fumo, PA-CPhysician Assistant1447965835
Verify Julio Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA06029100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average internal medicine physician in 2024
5,651 Medicare Part D claims for 582 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. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium623 claims
- Metformin Hcl324 claims
- Amlodipine Besylate318 claims
- Losartan Potassium296 claims
- Levothyroxine Sodium189 claims
- Farxiga164 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: $141.09
8 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. 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
- Robert Wood Johnson Medical Associates AT Hamilton PALinden, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julio Diaz among 4,632 internal medicine physician records in New Jersey
Julio Diaz, M.D. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1990 · median 2000 among the 3,132 with a school on file
- Record last updated2025 · 63% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Linden
They are 8 of the 379 NPPES records with a practice address in Linden, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Linden → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Bezozo, M.D.Linden, NJ 070361245233543
- Ewa Czyzewski, MDLinden, NJ 070361467473173
- Carlos Lao, M.D.Linden, NJ 070361215907068
- Narendrakumar Patel, M.D.Linden, NJ 070361477502193
- Allen Rubinstein, DOLinden, NJ 070361477669232
- Oscar Verzosa, MD, P.ALinden, NJ 070361396844148
- Zygmunt Wawrzyniak, MDLinden, NJ 070361720187859
- Anju Budhwani, M.D.Lincoln Park, NJ 070351679795835
Common questions
What is Julio Diaz, M.D.'s NPI number?
Julio Diaz, M.D.'s National Provider Identifier (NPI) is 1831192129, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Julio Diaz, M.D. located?
The NPPES record lists a practice address at 328 W Saint Georges Ave, Linden, NJ, 07036. Phone: (908) 925-2273. Providers update this record themselves, so call before visiting.
How can I verify Julio Diaz, M.D.'s license?
NPPES lists New Jersey license number 25MA06029100, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Julio Diaz, M.D. prescribe under Medicare Part D?
In 2024, Julio Diaz, M.D. had 5,651 Medicare Part D claims for 582 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.