Michael Ehrenreich, M.D.
Dermatology Physician · Millburn, NJ
Michael Ehrenreich, M.D. is a dermatology physician with a practice address in Millburn, New Jersey, and NPI 1124249644, issued on May 1, 2007. Check the license (New Jersey 25MA08503900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Ehrenreich
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 25MA08503900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 90 Millburn Ave, Millburn, NJ 07041
- Phone
- (973) 763-7546
- Enumerated
- May 1, 2007
- Record last updated
- Jul 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101124000951); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 2006
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 421 in New Jersey → Look up another NPI →
Also registered at 90 Millburn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Ehrenreich 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 25MA08503900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average dermatology physician in 2024
215 Medicare Part D claims for 96 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clobetasol Propionate32 claims
- Triamcinolone Acetonide31 claims
- Desonide15 claims
- Dupixent Pen11 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: $210.71
12 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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.
Michael Ehrenreich among 421 dermatology physician records in New Jersey
Michael Ehrenreich, M.D. is one of 421 dermatology physician records with a practice address in New Jersey. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 38% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 2001 among the 312 with a school on file
- Record last updated2013 · 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 207N00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 dermatology physician records list a practice address in Millburn
They are 6 of the 403 NPPES records with a practice address in Millburn, and 421 dermatology physician records in New Jersey.
All 421 in New Jersey → Every provider in Millburn → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Allyson Brockman-Bitterman, MDMillburn, NJ 070411871535435
- Jeanine Daly, MDMillburn, NJ 070411336345461
- Amy Freeman, MDMillburn, NJ 070411467448514
- Gail Mautner, MDMillburn, NJ 070411053353680
- Eric Siegel, M.D.Millburn, NJ 070411275578262
- Juan Acosta, MDMontclair, NJ 070421629713094
- Jeanine Downie, M. D.Montclair, NJ 070421811959232
- Angela JiangMontclair, NJ 070421780116301
Common questions
What is Michael Ehrenreich, M.D.'s NPI number?
Michael Ehrenreich, M.D.'s National Provider Identifier (NPI) is 1124249644, issued on May 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Ehrenreich, M.D. located?
The NPPES record lists a practice address at 90 Millburn Ave, Millburn, NJ, 07041. Phone: (973) 763-7546. Providers update this record themselves, so call before visiting.
How can I verify Michael Ehrenreich, M.D.'s license?
NPPES lists New Jersey license number 25MA08503900, 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 Michael Ehrenreich, M.D. prescribe under Medicare Part D?
In 2024, Michael Ehrenreich, M.D. had 215 Medicare Part D claims for 96 beneficiaries; the average among dermatology physician prescribers was 797. 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.