Provider Profile
Mariam Totonchy
Unclaimed ProfileAbout Mariam Totonchy
Based in New Haven, CT, Mariam Totonchy is listed in the NPI registry under dermatology. Mariam graduated from University of California, Geffen School of Medicine in 2013. Mariam is also listed as specializing in student in an organized health care education program. Medicare claims data shows Mariam provided 1,922 services to 1,584 patients. The services billed most often include removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, pathology examination of tissue using a microscope, intermediate complexity, and removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 688-4242
- Email not available
Practice Locations
20 YORK ST YALE-NEW HAVEN HOSPITAL
New Haven, CT 06510
Conditions Commonly Evaluated or Treated
Within Dermatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Acne and follicular disorders
Eczema and inflammatory skin disease
Infections and infestations
Pigment, growths, and benign lesions
Skin cancer
Urticaria, itch, and vascular
Autoimmune and connective tissue
Infections
Rashes & allergy
Skin growths
Procedures & services
Most searched procedures
- Botox
- Chemical peel
- Laser hair removal
- Microneedling
- Mole removal
- Skin cancer screening
Diagnostic procedures
Lesion treatment
- Complex skin lesion excision
- Cryotherapy for skin lesions
- Electrodesiccation and curettage
- Incision and drainage of an abscess
Medical dermatology treatment
Cosmetic
Cosmetic and minor surgery
Cosmetic dermatology
Diagnostic
General dermatology
Infections
Medical dermatology
Nails & hair
Skin cancer surgery
Skin growths
Procedures Most Often Billed to Medicare
1,922 services · 1,584 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | Procedure | 17311 |
454 | More often than most peers in Dermatology |
| Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | Procedure | 17312 |
240 | More often than most peers in Dermatology |
| Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm | Procedure | 13132 |
108 | More often than most peers in Dermatology |
| Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks | Procedure | 17313 |
94 | More often than most peers in Dermatology |
| Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm | Procedure | 13121 |
62 | More often than most peers in Dermatology |
| Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm | Procedure | 12032 |
60 | More often than most peers in Dermatology |
| Full thickness skin graft to nose, ears, eyelids, or lips, 20.0 sq cm or less | Procedure | 15260 |
47 | More often than most peers in Dermatology |
| Biopsy of related skin growth, first growth | Procedure | 11102 |
44 | Less often than most peers in Dermatology |
| Injection into skin growth, 1-7 growths | Procedure | 11900 |
35 | More often than most peers in Dermatology |
| Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm | Procedure | 11603 |
31 | More often than most peers in Dermatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other dermatologists in New Haven 8
Same specialty, same city.
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2013 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 8
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Mariam Totonchy?
Mariam Totonchy is a dermatologist (skin doctor) in New Haven, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Dermatology”.
NPI registry
What is Mariam Totonchy's address?
Mariam Totonchy is listed at 20 York St Yale-New Haven Hospital, New Haven, CT 06510. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mariam Totonchy?
The number on file is (203) 688-4242. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mariam Totonchy?
Mariam Totonchy's National Provider Identifier is 1861839383. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mariam Totonchy train?
Mariam Totonchy attended University of California, Geffen School of Medicine, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mariam Totonchy have?
Mariam Totonchy has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mariam Totonchy perform?
According to Medicare billing data, Mariam Totonchy performs procedures including removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks, removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks and complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mariam Totonchy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mariam Totonchy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.