Elizabeth Sibrack, M.D.
NPI 1538556873 · Pediatrics Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Sibrack, M.D. is a Pediatrics Physician provider in Walnut Creek, CA (NPI 1538556873).
Provider details
- NPI number
- 1538556873
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 161368 (CA)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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
Additional practice locations (3)
- Unc Med Peds Residency Program230 Macnider, Cb #7593Chapel Hill, NC 27599-7593Phone: (919) 966-6770Fax: (919) 966-8419
- 1000 E Broad StRichmond, VA 23219-1930Phone: (804) 828-2467Fax: (804) 628-5847
- 1250 E Marshall StRichmond, VA 23298-5023Phone: (840) 828-2467Fax: (804) 628-5847
Registry dates
- Enumerated
- 2015-04-24
- Last updated
- 2026-01-07
- Certified
- 2026-01-07
Frequently asked questions
- What is Elizabeth Sibrack's NPI number?
- Elizabeth Sibrack's National Provider Identifier (NPI) is 1538556873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Sibrack's specialty?
- Elizabeth Sibrack is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Sibrack located?
- Elizabeth Sibrack's practice location on file with NPPES is 1425 S Main St, Walnut Creek, CA 94596.
- What is Elizabeth Sibrack's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Sibrack is (925) 295-4000.
- Does Elizabeth Sibrack accept Medicare?
- Elizabeth Sibrack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Sibrack's NPI active?
- Yes — Elizabeth Sibrack's NPI (1538556873) is active in the NPPES registry as of the last update on 2026-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.