Eugene Grudnikoff, M.D.
NPI 1548553217 · Child & Adolescent Psychiatry Physician · Amityville, NY
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Grudnikoff, M.D. is a Child & Adolescent Psychiatry Physician provider in Amityville, NY (NPI 1548553217).
Provider details
- NPI number
- 1548553217
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 262638 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 386 | 19 |
| Quetiapine Fumarate | 130 | 11 |
| Fluoxetine Hcl | 110 | — |
| Bupropion Hclbrand: Bupropion Xl | 105 | — |
| Clonazepam | 99 | 13 |
| Aripiprazole | 90 | — |
| Divalproex Sodium | 74 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-27
- Last updated
- 2014-08-20
Frequently asked questions
- What is Eugene Grudnikoff's NPI number?
- Eugene Grudnikoff's National Provider Identifier (NPI) is 1548553217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Grudnikoff's specialty?
- Eugene Grudnikoff is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Grudnikoff located?
- Eugene Grudnikoff's practice location on file with NPPES is 400 Sunrise Hwy, Amityville, NY 11701-2508.
- What is Eugene Grudnikoff's phone number?
- The practice phone number listed in the NPPES registry for Eugene Grudnikoff is (631) 608-5205.
- Does Eugene Grudnikoff accept Medicare?
- Eugene Grudnikoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Grudnikoff's NPI active?
- Yes — Eugene Grudnikoff's NPI (1548553217) is active in the NPPES registry as of the last update on 2014-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.