William Marszalek, LMFT
NPI 1982348603 · Marriage & Family Therapist · Malta, NY
William Marszalek, LMFT is a Marriage & Family Therapist provider in Malta, NY (NPI 1982348603).
Provider details
- NPI number
- 1982348603
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- 001944 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-27
- Last updated
- 2022-04-27
- Certified
- 2022-04-13
Frequently asked questions
- What is William Marszalek's NPI number?
- William Marszalek's National Provider Identifier (NPI) is 1982348603, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Marszalek's specialty?
- William Marszalek is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Marszalek located?
- William Marszalek's practice location on file with NPPES is 2452 U.S. Route 9 Suite 206, Malta, NY 12020.
- What is William Marszalek's phone number?
- The practice phone number listed in the NPPES registry for William Marszalek is (518) 292-5433.
- Is William Marszalek's NPI active?
- Yes — William Marszalek's NPI (1982348603) is active in the NPPES registry as of the last update on 2022-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.