IndividualActive
John Herdzik
NPI 1164736856 · Mental Health Counselor · Buffalo, NY
John Herdzik is a Mental Health Counselor provider in Buffalo, NY (NPI 1164736856).
Provider details
- NPI number
- 1164736856
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(76/100 index)
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
83% 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
254 Franklin St
Buffalo, NY 14202-1932
Phone: (716) 852-1117
Fax: (716) 852-1110
Street-level locationGet directions
Mailing address
255 Delaware Ave
Buffalo, NY 14202-2016
Registry dates
- Enumerated
- 2010-08-05
- Last updated
- 2010-08-12
Frequently asked questions
- What is John Herdzik's NPI number?
- John Herdzik's National Provider Identifier (NPI) is 1164736856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Herdzik's specialty?
- John Herdzik is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is John Herdzik located?
- John Herdzik's practice location on file with NPPES is 254 Franklin St, Buffalo, NY 14202-1932.
- What is John Herdzik's phone number?
- The practice phone number listed in the NPPES registry for John Herdzik is (716) 852-1117.
- Is John Herdzik's NPI active?
- Yes — John Herdzik's NPI (1164736856) is active in the NPPES registry as of the last update on 2010-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.