Tamar Mermelstein, PA-C
NPI 1811411267 · Physician Assistant · Ridgewood, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tamar Mermelstein, PA-C is a Physician Assistant provider in Ridgewood, NJ (NPI 1811411267).
Provider details
- NPI number
- 1811411267
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 021108 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
763 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 223 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 174 | $85 |
| Destruction of Skin Growth, 1-14 Growths17110 | 83 | $103 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 75 | $51 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $119 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clobetasol Propionate | 68 | 49 |
| Ketoconazole | 52 | 28 |
| Triamcinolone Acetonide | 43 | 30 |
| Hydrocortisone | 30 | 25 |
| Clindamycin Phosphate | 27 | 13 |
| Ammonium Lactate | 16 | — |
| Doxycycline Hyclate | 14 | — |
| Metronidazole | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,175 across 107 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-07-27
- Last updated
- 2019-06-19
Frequently asked questions
- What is Tamar Mermelstein's NPI number?
- Tamar Mermelstein's National Provider Identifier (NPI) is 1811411267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamar Mermelstein's specialty?
- Tamar Mermelstein is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tamar Mermelstein located?
- Tamar Mermelstein's practice location on file with NPPES is 1200 E Ridgewood Ave, Ridgewood, NJ 07450-3957.
- What is Tamar Mermelstein's phone number?
- The practice phone number listed in the NPPES registry for Tamar Mermelstein is (201) 493-1717.
- Does Tamar Mermelstein accept Medicare?
- Tamar Mermelstein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tamar Mermelstein's NPI active?
- Yes — Tamar Mermelstein's NPI (1811411267) is active in the NPPES registry as of the last update on 2019-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.