Inessa Mysak, DO
NPI 1447317680 · Psychiatry Physician · Manhasset, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Inessa Mysak, DO is a Psychiatry Physician provider in Manhasset, NY (NPI 1447317680).
Provider details
- NPI number
- 1447317680
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- Yes
- License
- 234965 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 195 | 12 |
| Benztropine Mesylate | 185 | 18 |
| Fluoxetine Hcl | 89 | — |
| Sertraline Hcl | 74 | — |
| Risperidone | 69 | — |
| Haloperidol Decanoate | 66 | — |
| Olanzapine | 56 | — |
| Lorazepam |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$65 across 4 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
- 2007-01-03
- Last updated
- 2007-07-11
Frequently asked questions
- What is Inessa Mysak's NPI number?
- Inessa Mysak's National Provider Identifier (NPI) is 1447317680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Inessa Mysak's specialty?
- Inessa Mysak is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Inessa Mysak located?
- Inessa Mysak's practice location on file with NPPES is 75 Plandome Rd, Manhasset, NY 11030-2301.
- What is Inessa Mysak's phone number?
- The practice phone number listed in the NPPES registry for Inessa Mysak is (516) 439-4128.
- Does Inessa Mysak accept Medicare?
- Inessa Mysak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Inessa Mysak's NPI active?
- Yes — Inessa Mysak's NPI (1447317680) is active in the NPPES registry as of the last update on 2007-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.