Ritchken and First Medical Group
NPI 1598819898 · Multi-Specialty Clinic/Center · San Diego, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ritchken and First Medical Group is a Multi-Specialty Clinic/Center organization in San Diego, CA (NPI 1598819898).
Provider details
- NPI number
- 1598819898
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Maribel Alexander, Office Manager(858) 292-0108
- License
- A33952 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-23
- Last updated
- 2019-05-31
Frequently asked questions
- What is Ritchken and First Medical Group's NPI number?
- Ritchken and First Medical Group's National Provider Identifier (NPI) is 1598819898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ritchken and First Medical Group?
- Ritchken and First Medical Group is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Ritchken and First Medical Group located?
- Ritchken and First Medical Group's practice location on file with NPPES is 4282 Genesee Ave, San Diego, CA 92117-4961.
- What is Ritchken and First Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Ritchken and First Medical Group is (858) 292-0108.
- Does Ritchken and First Medical Group accept Medicare?
- Ritchken and First Medical Group is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Ritchken and First Medical Group?
- The authorized official listed on Ritchken and First Medical Group's NPPES record is Maribel Alexander, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ritchken and First Medical Group's NPI active?
- Yes — Ritchken and First Medical Group's NPI (1598819898) is active in the NPPES registry as of the last update on 2019-05-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.