Jeffrey Markley
NPI 1194542639 · Addiction (Substance Use Disorder) Counselor · Pasadena, CA
Jeffrey Markley is a Addiction (Substance Use Disorder) Counselor provider in Pasadena, CA (NPI 1194542639).
Provider details
- NPI number
- 1194542639
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- 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
1 yr 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
- 2024-09-25
- Last updated
- 2024-09-25
- Certified
- 2024-09-25
Frequently asked questions
- What is Jeffrey Markley's NPI number?
- Jeffrey Markley's National Provider Identifier (NPI) is 1194542639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Markley's specialty?
- Jeffrey Markley is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Jeffrey Markley located?
- Jeffrey Markley's practice location on file with NPPES is 1680 N Fair Oaks Ave, Pasadena, CA 91103-1642.
- What is Jeffrey Markley's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Markley is (626) 798-0884.
- Is Jeffrey Markley's NPI active?
- Yes — Jeffrey Markley's NPI (1194542639) is active in the NPPES registry as of the last update on 2024-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.