Michael Mahelsky, M.D.
NPI 1841204914 · Psychiatry Physician · Honolulu, HI
Michael Mahelsky, M.D. is a Psychiatry Physician provider in Honolulu, HI (NPI 1841204914).
Provider details
- NPI number
- 1841204914
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD-15246 (HI)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 48 |
| Clonazepam | 46 |
| Zolpidem Tartrate | 35 |
| Duloxetine Hcl | 32 |
| Bupropion Hclbrand: Bupropion Xl | 27 |
| Fluoxetine Hcl | 23 |
| Alprazolam | 22 |
| Aripiprazole | 18 |
Practice location
Mailing address
Additional practice locations (1)
- 347 5th Ave Rm 1002New York, NY 10016-5053Phone: (212) 685-8580Fax: (212) 685-8581
Registry dates
- Enumerated
- 2006-07-27
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Michael Mahelsky's NPI number?
- Michael Mahelsky's National Provider Identifier (NPI) is 1841204914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mahelsky's specialty?
- Michael Mahelsky is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mahelsky located?
- Michael Mahelsky's practice location on file with NPPES is 1600 Kapiolani Blvd Ste 1316, Honolulu, HI 96814-3802.
- What is Michael Mahelsky's phone number?
- The practice phone number listed in the NPPES registry for Michael Mahelsky is (212) 685-8580.
- Is Michael Mahelsky's NPI active?
- Yes — Michael Mahelsky's NPI (1841204914) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.