Christopher Zimmerman, MD, MPH
NPI 1891018065 · Internal Medicine Physician · Santa Ana, CA
Christopher Zimmerman, MD, MPH is a Internal Medicine Physician provider in Santa Ana, CA (NPI 1891018065).
Provider details
- NPI number
- 1891018065
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- 79623 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
- 2010-03-02
- Last updated
- 2025-07-22
- Certified
- 2025-07-22
Frequently asked questions
- What is Christopher Zimmerman's NPI number?
- Christopher Zimmerman's National Provider Identifier (NPI) is 1891018065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Zimmerman's specialty?
- Christopher Zimmerman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Zimmerman located?
- Christopher Zimmerman's practice location on file with NPPES is 1725 W 17th St, Santa Ana, CA 92706-2316.
- What is Christopher Zimmerman's phone number?
- The practice phone number listed in the NPPES registry for Christopher Zimmerman is (714) 834-5037.
- Is Christopher Zimmerman's NPI active?
- Yes — Christopher Zimmerman's NPI (1891018065) is active in the NPPES registry as of the last update on 2025-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.