California Em-I Medical Services, a Medical Corporation
NPI 1003865247 · Emergency Medicine Physician · Manteca, CA
California Em-I Medical Services, a Medical Corporation is a Emergency Medicine Physician organization in Manteca, CA (NPI 1003865247).
Provider details
- NPI number
- 1003865247
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Slepin, Director/Officer(469) 401-2386
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-06
- Last updated
- 2017-08-31
Frequently asked questions
- What is California Em-I Medical Services, a Medical Corporation's NPI number?
- California Em-I Medical Services, a Medical Corporation's National Provider Identifier (NPI) is 1003865247, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is California Em-I Medical Services, a Medical Corporation?
- California Em-I Medical Services, a Medical Corporation is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is California Em-I Medical Services, a Medical Corporation located?
- California Em-I Medical Services, a Medical Corporation's practice location on file with NPPES is 1205 E North St, Manteca, CA 95336-4932.
- What is California Em-I Medical Services, a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for California Em-I Medical Services, a Medical Corporation is (469) 401-2386.
- Who is the authorized official for California Em-I Medical Services, a Medical Corporation?
- The authorized official listed on California Em-I Medical Services, a Medical Corporation's NPPES record is Mark Slepin, Director/Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is California Em-I Medical Services, a Medical Corporation's NPI active?
- Yes — California Em-I Medical Services, a Medical Corporation's NPI (1003865247) is active in the NPPES registry as of the last update on 2017-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.