John Grutkowski, PH.D.
NPI 1114139375 · Forensic Psychologist · Wilkes-Barre, PA
John Grutkowski, PH.D. is a Forensic Psychologist provider in Wilkes-Barre, PA (NPI 1114139375).
Provider details
- NPI number
- 1114139375
- Entity type
- Individual
- Primary specialty
- Forensic PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PS003426-L (PA)
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
19 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
- 2007-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Grutkowski's NPI number?
- John Grutkowski's National Provider Identifier (NPI) is 1114139375, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grutkowski's specialty?
- John Grutkowski is listed in the NPPES registry with a primary specialty of Forensic Psychologist (Behavioral Health & Social Service Providers).
- Where is John Grutkowski located?
- John Grutkowski's practice location on file with NPPES is 47 South Washington St., Wilkes-Barre, PA 18701-3033.
- What is John Grutkowski's phone number?
- The practice phone number listed in the NPPES registry for John Grutkowski is (570) 824-8971.
- Is John Grutkowski's NPI active?
- Yes — John Grutkowski's NPI (1114139375) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.