IndividualActive
Douglas Greiner
NPI 1134930779 · School Psychologist · Salisbury, MD
Douglas Greiner is a School Psychologist provider in Salisbury, MD (NPI 1134930779).
Provider details
- NPI number
- 1134930779
- Entity type
- Individual
- Primary specialty
- School PsychologistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- CER-117383-Z2F0F7 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
Po Box 1538
Salisbury, MD 21802-1538
Phone: (410) 924-1472
Approximate (ZIP-level) locationGet directions
Mailing address
32138 Jones Rd
Eden, MD 21822-2303
Registry dates
- Enumerated
- 2025-01-14
- Last updated
- 2025-01-14
- Certified
- 2025-01-14
Frequently asked questions
- What is Douglas Greiner's NPI number?
- Douglas Greiner's National Provider Identifier (NPI) is 1134930779, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Greiner's specialty?
- Douglas Greiner is listed in the NPPES registry with a primary specialty of School Psychologist (Behavioral Health & Social Service Providers).
- Where is Douglas Greiner located?
- Douglas Greiner's practice location on file with NPPES is Po Box 1538, Salisbury, MD 21802-1538.
- What is Douglas Greiner's phone number?
- The practice phone number listed in the NPPES registry for Douglas Greiner is (410) 924-1472.
- Is Douglas Greiner's NPI active?
- Yes — Douglas Greiner's NPI (1134930779) is active in the NPPES registry as of the last update on 2025-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.