Ernest De La Cruz, MD
Internal Medicine Physician · Princeton, NJ
Ernest De La Cruz, MD is an internal medicine physician with a practice address in Princeton, New Jersey, and NPI 1821075334, issued on Dec 27, 2005. Check the license (New Jersey 25MA06294300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ernest De La Cruz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA06294300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 727 State RD, Princeton, NJ 08540
- Phone
- (609) 921-6410
- Enumerated
- Dec 27, 2005
- Record last updated
- Nov 21, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (609) 921-0406
- Medicare enrollment
- Enrolled (PECOS I20050620000198); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 727 State RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Douglas Corazza, MDInternal Medicine Physician1376520825
- Christine Deluca, NPNurse Practitioner1518415488
- Laura Hildebrant, D.O.Internal Medicine Physician1043212970
- Vickie Hug, MDInternal Medicine Physician1235116781
Verify Ernest De La Cruz 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 25MA06294300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average internal medicine physician in 2024
4,733 Medicare Part D claims for 533 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium420 claims
- Levothyroxine Sodium239 claims
- Amlodipine Besylate223 claims
- Rosuvastatin Calcium203 claims
- Metformin Hcl Er150 claims
- Simvastatin139 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: $1,810.65
85 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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
- Clinical Health Care Associates OF New Jersey PCHillsborough, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernest De La Cruz among 4,632 internal medicine physician records in New Jersey
Ernest De La Cruz, MD 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
- Graduated1994 · median 2000 among the 3,132 with a school on file
- Record last updated2016 · 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).
66 internal medicine physician records list a practice address in Princeton
They are 66 of the 1,622 NPPES records with a practice address in Princeton, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Princeton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Barile, MDPrinceton, NJ 085401063461283
- Erinn Beagin, M.D.Princeton, NJ 085401619924388
- Frances Chang, MDPrinceton, NJ 085401316996960
- Savneet Chattha, MDPrinceton, NJ 085401629055181
- Douglas Corazza, MDPrinceton, NJ 085401376520825
- Nataliya Dashevsky, MDPrinceton, NJ 085401902857139
- Chandani Fernando, MDPrinceton, NJ 085401679513501
- Laura Hildebrant, D.O.Princeton, NJ 085401043212970
Common questions
What is Ernest De La Cruz, MD's NPI number?
Ernest De La Cruz, MD's National Provider Identifier (NPI) is 1821075334, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ernest De La Cruz, MD located?
The NPPES record lists a practice address at 727 State RD, Princeton, NJ, 08540. Phone: (609) 921-6410. Providers update this record themselves, so call before visiting.
How can I verify Ernest De La Cruz, MD's license?
NPPES lists New Jersey license number 25MA06294300, 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 Ernest De La Cruz, MD prescribe under Medicare Part D?
In 2024, Ernest De La Cruz, MD had 4,733 Medicare Part D claims for 533 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.