Mark A. Merlin, DO
Emergency Medicine Physician · East Hanover, NJ
Mark A. Merlin, DO is an emergency medicine physician with a practice address in East Hanover, New Jersey, and NPI 1093725822, issued on Aug 8, 2006. Check the license (New Jersey 25MB06607500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark A. Merlin
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 25MB06607500 NJ
MB066075 NJ
18612 CA
20890 NH
282169 NY
and 1 more
Self-reported in NPPES; status is on the state search - Practice location
- 399 Route 10, East Hanover, NJ 07936
- Phone
- (908) 577-9808
- Enumerated
- Aug 8, 2006
- Record last updated
- Jan 16, 2026
- Fax
- (908) 577-9809
- Medicaid ID
- 8064407 NJ
- Medicare enrollment
- Enrolled (PECOS I20260116000455); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 399 Route 10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Toth, PA-CMedical Physician Assistant1396187845
Verify Mark A. Merlin 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 25MB06607500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average emergency medicine physician in 2024
66 Medicare Part D claims for 53 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Life Medical Group PCLivingston, NJ
- Statera Health Care LLCMetropolis, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark A. Merlin among 1,754 emergency medicine physician records in New Jersey
Mark A. Merlin, DO is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1994 · median 2011 among the 1,167 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X 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 emergency medicine physician records list a practice address in East Hanover
They are 6 of the 210 NPPES records with a practice address in East Hanover, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in East Hanover → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Carol Irving, MDEast Hanover, NJ 079361457340788
- Susan Lombardi, MDEast Hanover, NJ 079361255371258
- Beatrice Monroe, MDEast Hanover, NJ 079361811981780
- Ilya Parizh, D.OEast Hanover, NJ 079361619361995
- Iqbal Siddiqui, D.OEast Hanover, NJ 079361285969980
- Ramy Saleh, D.O.Florham Park, NJ 079321265844054
- Jennifer Volpe, D.OChester, NJ 079301104102458
- Vel Sivapalan, MDChatham, NJ 079281427005255
Common questions
What is Mark A. Merlin, DO's NPI number?
Mark A. Merlin, DO's National Provider Identifier (NPI) is 1093725822, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Merlin, DO located?
The NPPES record lists a practice address at 399 Route 10, East Hanover, NJ, 07936. Phone: (908) 577-9808. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Merlin, DO's license?
NPPES lists New Jersey license number 25MB06607500, 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 Mark A. Merlin, DO prescribe under Medicare Part D?
In 2024, Mark A. Merlin, DO had 66 Medicare Part D claims for 53 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.