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Derrick Grassmann
NPI 1053169250 · Behavior Analyst · Costa Mesa, CA
Derrick Grassmann is a Behavior Analyst provider in Costa Mesa, CA (NPI 1053169250).
Provider details
- NPI number
- 1053169250
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
3186 Airway Ave Ste a
Costa Mesa, CA 92626-4650
Phone: (714) 881-0427
Fax: (714) 327-0673
Street-level locationGet directions
Mailing address
3186 Airway Ave Ste a
Costa Mesa, CA 92626-4650
Registry dates
- Enumerated
- 2024-05-11
- Last updated
- 2024-05-11
- Certified
- 2024-05-11
Frequently asked questions
- What is Derrick Grassmann's NPI number?
- Derrick Grassmann's National Provider Identifier (NPI) is 1053169250, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Grassmann's specialty?
- Derrick Grassmann is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Derrick Grassmann located?
- Derrick Grassmann's practice location on file with NPPES is 3186 Airway Ave Ste a, Costa Mesa, CA 92626-4650.
- What is Derrick Grassmann's phone number?
- The practice phone number listed in the NPPES registry for Derrick Grassmann is (714) 881-0427.
- Is Derrick Grassmann's NPI active?
- Yes — Derrick Grassmann's NPI (1053169250) is active in the NPPES registry as of the last update on 2024-05-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.