Mariam Totonchy
NPI 1861839383 · Dermatology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariam Totonchy is a Dermatology Physician provider in New Haven, CT (NPI 1861839383).
Provider details
- NPI number
- 1861839383
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,927 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) |
|---|---|---|
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, 1-5 Tissue Blocks17311 | 454 | $665 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 310 | $40 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, Each Additional Stage, 1-5 Tissue Blocks17312 | 240 | $493 |
| Complicated Repair of Wound of Forehead, Cheeks, Chin, Mouth, Neck, Underarms, Genitals, Hands, Or Feet, 2.6-7.5 Cm13132 | 108 | $278 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 108 | $65 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 299 | 283 |
| Mupirocin | 92 | 80 |
| Doxycycline Hyclate | 81 | 77 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 60 | 54 |
| Doxycycline Monohydrate | 36 | 35 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 18 | 18 |
| Acitretin | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,401 across 7 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
- 2013-05-23
- Last updated
- 2017-04-30
Frequently asked questions
- What is Mariam Totonchy's NPI number?
- Mariam Totonchy's National Provider Identifier (NPI) is 1861839383, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariam Totonchy's specialty?
- Mariam Totonchy is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mariam Totonchy located?
- Mariam Totonchy's practice location on file with NPPES is 20 York St, New Haven, CT 06510-3220.
- What is Mariam Totonchy's phone number?
- The practice phone number listed in the NPPES registry for Mariam Totonchy is (203) 688-4242.
- Does Mariam Totonchy accept Medicare?
- Mariam Totonchy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariam Totonchy's NPI active?
- Yes — Mariam Totonchy's NPI (1861839383) is active in the NPPES registry as of the last update on 2017-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.