MARK A MERLIN (DO) – Emergency Medicine Physician, NPI 1093725822
Emergency Medicine Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,703 EMERGENCY MEDICINE in NJ
Provider Addresses for MARK A MERLIN (DO)
1 DIAMOND HILL RD
BERKELEY HEIGHTS, NJ 079222104
Phone: (908) 273-4300
Type: Mailing
1 ROBERT WOOD JOHNSON PL
DEPARTMENT OF EMERGENCY MEDICINE
NEW BRUNSWICK, NJ 089011928
Phone: (732) 828-3000
Type: Location
1 Robert Wood Johnson Pl
Department of Emergency Medicine
New Brunswick, NJ 089011928
Phone: (732) 828-3000
Type: Location
9961 Baldwin Pl
El Monte, CA 917312203
Phone: (813) 416-6438
Fax: (877) 282-9624
Type: Location
154 Hansen Access Rd
King Of Prussia, PA 194062404
Phone: (866) 349-4230
Fax: (877) 282-9624
Type: Location
55 Lane Rd Ste 300
Fairfield, NJ 070041015
Phone: (866) 349-4230
Fax: (877) 282-9624
Type: Location
35 W 35th St Fl 6
New York, NY 100012205
Phone: (866) 349-4230
Fax: (877) 282-9624
Type: Location
70 S Orange Ave Ste 235
Livingston, NJ 070394915
Phone: (973) 607-4911
Fax: (973) 607-4911
Type: Location
70 S ORANGE AVE STE 235
LIVINGSTON, NJ 070394915
Phone: (973) 607-4911
Fax: (973) 607-4911
Type: Mailing
399 ROUTE 10
EAST HANOVER, NJ 07936
Phone: (908) 577-9808
Fax: (908) 577-9809
Type: Location
66, Gilbert Street West, Tinton Falls, Monmouth County, New Jersey, 07701, United States
2ND FLOOR
TINTON FALLS, NJ 077014947
Phone: (732) 212-0051
Fax: (732) 212-0713
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2026-02-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 6 Medicare enrollment records; no due dates published yet.
Enrollment records
6
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070216000024 | I | Emergency Medicine | NJ | TBD |
| I20211230001217 | I | Emergency Medicine | PA | TBD |
| I20221109002104 | I | Emergency Medicine | CA | TBD |
| I20230811002760 | I | Emergency Medicine | NY | TBD |
| I20260116000455 | I | Emergency Medicine | IL | TBD |
| I20260226000095 | I | Emergency Medicine | FL | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 179 | 172 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $0 |
| 87426 | Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 52 | 52 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 36 | 36 | $0 |
| 99285 | Emergency department visit with high level of medical decision making | 35 | 35 | $0 |
Insurance plans in this area (ZIP 07922)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | NJ | |
| Family Practice, Internal Medicine | NJ |
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