Doctor profile · Federal record
Dr. Mark Merlin, DO
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · Emergency Medicine Physician · East Hanover, NJ
- NPI 1093725822
- Accepts Medicare
- 32 yrs in practice
- Licensed in 5 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 7 locations .
- Primary practice
-
399 Route 10
East Hanover, NJ 07936
(908) 577-9808
fax (908) 577-9809 - Additional location
-
1 Robert Wood Johnson Pl, Department of Emergency Medicine
New Brunswick, NJ 089011928
(732) 828-3000 - Additional location
-
55 Lane RD Ste 300
Fairfield, NJ 070041015
(866) 349-4230
fax (877) 282-9624 - Additional location
-
70 S Orange Ave Ste 235
Livingston, NJ 070394915
(973) 607-4911
fax (973) 607-4911 - Additional location
-
35 W 35Th St Fl 6
New York, NY 100012205
(866) 349-4230
fax (877) 282-9624 - Additional location
-
9961 Baldwin Pl
El Monte, CA 917312203
(813) 416-6438
fax (877) 282-9624 - Additional location
-
154 Hansen Access RD
King of Prussia, PA 194062404
(866) 349-4230
fax (877) 282-9624 - Mailing address
-
70 S Orange Ave Ste 235
Livingston, NJ 070394915
Show 4 more locations
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- January 16, 2026
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (6)
- New Jersey #25MB06607500 · New York #282169 · Pennsylvania #OS020981 · New Hampshire #20890 · California #18612 · New Jersey #MB066075
- Medicaid
- NJ #8064407
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093725822. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
573
Distinct HCPCS
10
Medicare allowed
$46,160
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 179 | 172 | $101 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $126 | |
87426 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | 52 | 52 | $35 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 36 | 36 | $143 | |
99285 |
Emergency department visit with high level of medical decision making | 35 | 35 | $172 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 27 | 27 | $16 | |
87070 |
Bacterial culture, any other source except urine, blood or stool, aerobic | 26 | 26 | $8 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 24 | 12 | $16 | |
87088 |
Bacterial urine culture | 18 | 17 | $8 | |
87086 |
Bacterial colony count, urine | 16 | 15 | $8 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 50. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
171
Patients
161
Total drug cost
$1,777
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 41 | 39 | $417 |
| Fluticasone Propionate | Generic | 25 | 20 | $366 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 24 | 24 | $244 |
| Naproxen | Generic | 19 | 17 | $52 |
| Cephalexin | Generic | 16 | 16 | $101 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 16 | 16 | $161 |
| Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) | Brand | 16 | 15 | $138 |
| Mometasone Furoate | Generic | 14 | 14 | $298 |
Frequently asked questions
What is Dr. Mark Merlin's medical specialty?
Dr. Mark Merlin practices Emergency Medicine Physician in East Hanover, NJ.
Where does Dr. Mark Merlin practice?
Dr. Mark Merlin practices at 399 Route 10, East Hanover, NJ 07936. Office phone: 9085779808.
What is Dr. Mark Merlin's NPI?
Dr. Mark Merlin's National Provider Identifier (NPI) is 1093725822, issued by NPPES.
Does Dr. Mark Merlin accept Medicare assignment?
Yes. Dr. Mark Merlin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Merlin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (HCPCS 87426). Source: CMS Medicare Physician & Other Practitioners file.