Rocio Montelongo, MA
NPI 1609001742 · Addiction (Substance Use Disorder) Counselor · Ontario, CA
Rocio Montelongo, MA is a Addiction (Substance Use Disorder) Counselor provider in Ontario, CA (NPI 1609001742).
Provider details
- NPI number
- 1609001742
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Female
- Sole proprietor
- Yes
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
17 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
Mailing address
Registry dates
- Enumerated
- 2009-05-19
- Last updated
- 2009-05-19
Frequently asked questions
- What is Rocio Montelongo's NPI number?
- Rocio Montelongo's National Provider Identifier (NPI) is 1609001742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rocio Montelongo's specialty?
- Rocio Montelongo is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Rocio Montelongo located?
- Rocio Montelongo's practice location on file with NPPES is 125 W F St, Ontario, CA 91762-3262.
- What is Rocio Montelongo's phone number?
- The practice phone number listed in the NPPES registry for Rocio Montelongo is (909) 986-4550.
- Is Rocio Montelongo's NPI active?
- Yes — Rocio Montelongo's NPI (1609001742) is active in the NPPES registry as of the last update on 2009-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.