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Kathy Zelken, M.D.
NPI 1588927248 · Pediatrics Physician · Orange, CA
Kathy Zelken, M.D. is a Pediatrics Physician provider in Orange, CA (NPI 1588927248).
Provider details
- NPI number
- 1588927248
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A130648 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
505 S Main St
Suite 525
Orange, CA 92868-4509
Phone: (714) 456-5631
Fax: (714) 285-0389
Street-level locationGet directions
Mailing address
601 Dover Dr Ste 7
Newport Beach, CA 92663-5721
Registry dates
- Enumerated
- 2012-06-19
- Last updated
- 2020-05-01
- Certified
- 2020-05-01
Frequently asked questions
- What is Kathy Zelken's NPI number?
- Kathy Zelken's National Provider Identifier (NPI) is 1588927248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Zelken's specialty?
- Kathy Zelken is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Kathy Zelken located?
- Kathy Zelken's practice location on file with NPPES is 505 S Main St, Orange, CA 92868-4509.
- What is Kathy Zelken's phone number?
- The practice phone number listed in the NPPES registry for Kathy Zelken is (714) 456-5631.
- Is Kathy Zelken's NPI active?
- Yes — Kathy Zelken's NPI (1588927248) is active in the NPPES registry as of the last update on 2020-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.