Mark Ziegler, MD
NPI 1841378551 · Neonatal-Perinatal Medicine Physician · Roseville, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ziegler, MD is a Neonatal-Perinatal Medicine Physician provider in Roseville, CA (NPI 1841378551).
Provider details
- NPI number
- 1841378551
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G70399 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-11-01
- Last updated
- 2009-02-27
Frequently asked questions
- What is Mark Ziegler's NPI number?
- Mark Ziegler's National Provider Identifier (NPI) is 1841378551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ziegler's specialty?
- Mark Ziegler is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ziegler located?
- Mark Ziegler's practice location on file with NPPES is 1600 Eureka Rd, Roseville, CA 95661-3027.
- What is Mark Ziegler's phone number?
- The practice phone number listed in the NPPES registry for Mark Ziegler is (916) 784-4000.
- Does Mark Ziegler accept Medicare?
- Mark Ziegler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ziegler's NPI active?
- Yes — Mark Ziegler's NPI (1841378551) is active in the NPPES registry as of the last update on 2009-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.