Melissa Greenway
NPI 1598390684 · Addiction (Substance Use Disorder) Counselor · Oceanside, CA
Melissa Greenway is a Addiction (Substance Use Disorder) Counselor provider in Oceanside, CA (NPI 1598390684).
Provider details
- NPI number
- 1598390684
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- R1381050320 (CA)
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
6 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
- 2020-03-09
- Last updated
- 2023-05-24
- Certified
- 2023-05-24
Frequently asked questions
- What is Melissa Greenway's NPI number?
- Melissa Greenway's National Provider Identifier (NPI) is 1598390684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Greenway's specialty?
- Melissa Greenway is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Melissa Greenway located?
- Melissa Greenway's practice location on file with NPPES is 1100 Sportfisher Dr, Oceanside, CA 92054-2550.
- What is Melissa Greenway's phone number?
- The practice phone number listed in the NPPES registry for Melissa Greenway is (760) 227-1345.
- Is Melissa Greenway's NPI active?
- Yes — Melissa Greenway's NPI (1598390684) is active in the NPPES registry as of the last update on 2023-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.