Doctor profile · Federal record

Dr. Tamar Mermelstein, PA-C

Physician Assistant · Medical Physician Assistant · Surgical Physician Assistant · Ridgewood, NJ

  • NPI 1811411267
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 E Ridgewood Ave
Ridgewood, NJ 074503957
(201) 493-1717

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
June 19, 2019
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (2)
New Jersey #25MP00469000 · New York #021108

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811411267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,558
Distinct HCPCS
10
Medicare allowed
$82,089
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 547 76 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 273 192 $85
17000 Destruction of precancer skin growth, 1 growth 175 100 $49
11102 Biopsy of related skin growth, first growth 154 122 $87
17110 Destruction of skin growth, 1-14 growths 144 91 $109
99212 Established patient office or other outpatient visit, 10-19 minutes 100 77 $55
11103 Biopsy of related skin growth, each additional growth 35 30 $50
99203 New patient office or other outpatient visit, 30-44 minutes 33 33 $107
11900 Injection into skin growth, 1-7 growths 20 13 $45
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 20 13 $1

In context: peer comparison

Among 9 peers in Ridgewood Physician Assistant, average services per provider: 72. This provider delivers 22× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,175
Transactions
107
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 40 $274.71
Abbvie INC. 20 $173.35
Janssen Biotech, INC. 5 $146.74
Sun Pharmaceutical Industries INC. 15 $134.99
Dermavant Sciences, INC. 6 $99.26
Lilly USA, LLC 4 $64.89
Regeneron Healthcare Solutions, INC. 4 $64.18
Genzyme Corporation 3 $55.62
Arcutis Biotherapeutics, INC. 3 $52.93
Amgen INC. 3 $48.06
Incyte Corporation 1 $16.10
Pfizer INC. 1 $15.16
Novartis Pharmaceuticals Corporation 1 $14.39
Ucb, INC. 1 $14.23

By nature of payment

Food and Beverage
$1,075
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
243
Patients
146
Total drug cost
$10,849
Drug Type Claims Patients Total cost
Ketoconazole Generic 54 35 $1,199
Triamcinolone Acetonide Generic 41 35 $200
Clobetasol Propionate Generic 32 28 $1,865
Hydrocortisone Generic 24 22 $140
Clindamycin Phosphate Generic 19 0 $804
Doxycycline Hyclate Generic 16 0 $480
Mupirocin Generic 15 14 $161
Metronidazole Generic 14 12 $1,137
Nystatin Generic 14 0 $148
Pimecrolimus Generic 14 0 $4,714

Frequently asked questions

Auto-generated from federal data
What is Dr. Tamar Mermelstein's medical specialty?
Dr. Tamar Mermelstein practices Physician Assistant in Ridgewood, NJ.
Where does Dr. Tamar Mermelstein practice?
Dr. Tamar Mermelstein practices at 1200 E Ridgewood Ave, Ridgewood, NJ 074503957. Office phone: 2014931717.
What is Dr. Tamar Mermelstein's NPI?
Dr. Tamar Mermelstein's National Provider Identifier (NPI) is 1811411267, issued by NPPES.
Does Dr. Tamar Mermelstein accept Medicare assignment?
Yes. Dr. Tamar Mermelstein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamar Mermelstein commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 1 growth (HCPCS 17000). Source: CMS Medicare Physician & Other Practitioners file.