IndividualActive
Ronald Marcus
NPI 1558510776 · Addiction Psychiatry Physician · Indio, CA
Ronald Marcus is a Addiction Psychiatry Physician provider in Indio, CA (NPI 1558510776).
Provider details
- NPI number
- 1558510776
- Entity type
- Individual
- Primary specialty
- Addiction Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- G54931 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 index)
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
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
81880 Doctor Carreon Blvd
Suite 301
Indio, CA 92201-5559
Phone: (760) 989-4900
Street-level locationGet directions
Mailing address
81880 Doctor Carreon Blvd
Indio, CA 92201-5559
Registry dates
- Enumerated
- 2008-09-11
- Last updated
- 2008-09-11
Frequently asked questions
- What is Ronald Marcus's NPI number?
- Ronald Marcus's National Provider Identifier (NPI) is 1558510776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Marcus's specialty?
- Ronald Marcus is listed in the NPPES registry with a primary specialty of Addiction Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Marcus located?
- Ronald Marcus's practice location on file with NPPES is 81880 Doctor Carreon Blvd, Indio, CA 92201-5559.
- What is Ronald Marcus's phone number?
- The practice phone number listed in the NPPES registry for Ronald Marcus is (760) 989-4900.
- Is Ronald Marcus's NPI active?
- Yes — Ronald Marcus's NPI (1558510776) is active in the NPPES registry as of the last update on 2008-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.