Ilsen Elizabeth Hernandez, MD
Internal Medicine Physician · Denville, NJ
Ilsen Elizabeth Hernandez, MD is an internal medicine physician with a practice address in Denville, New Jersey, and NPI 1972179075, issued on May 28, 2021. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ilsen Elizabeth Hernandez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 92360 SC
Self-reported in NPPES; status is on the state search - Practice location
- 25 Pocono RD, Denville, NJ 07834
- Phone
- (973) 983-5583
- Enumerated
- May 28, 2021
- Record last updated
- Oct 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20241023001589); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 25 Pocono RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ilsen Elizabeth Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
55 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of 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: $23.95
1 payment: food and beverage; the largest payer was Corcept Therapeutics. 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
- Southeastern Hospitalist Services PCSummerville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ilsen Elizabeth Hernandez among 4,632 internal medicine physician records in New Jersey
Ilsen Elizabeth Hernandez, 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 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2021 · median 2000 among the 3,132 with a school on file
- Record last updated2024 · 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).
24 internal medicine physician records list a practice address in Denville
They are 24 of the 807 NPPES records with a practice address in Denville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Denville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Banu, MDDenville, NJ 078341356366124
- Robert Collum, MDDenville, NJ 078341912941899
- Allan Denenberg, MDDenville, NJ 078341679501464
- Michael Gironta, DODenville, NJ 078341013985928
- Garine Kalaydjian, MDDenville, NJ 078341184657660
- Seth Levy, MDDenville, NJ 078341316980782
- Jose Lopez, M.D.Denville, NJ 078341427150846
- Sonali Maniar, M.DDenville, NJ 078341649476946
Common questions
What is Ilsen Elizabeth Hernandez, MD's NPI number?
Ilsen Elizabeth Hernandez, MD's National Provider Identifier (NPI) is 1972179075, issued on May 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ilsen Elizabeth Hernandez, MD located?
The NPPES record lists a practice address at 25 Pocono RD, Denville, NJ, 07834. Phone: (973) 983-5583. Providers update this record themselves, so call before visiting.
How can I verify Ilsen Elizabeth Hernandez, MD's license?
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 Ilsen Elizabeth Hernandez, MD prescribe under Medicare Part D?
In 2024, Ilsen Elizabeth Hernandez, MD had 55 Medicare Part D claims for 31 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.