Margaret Wacker, MD
NPI 1992812671 · Neurological Surgery Physician · Colton, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Wacker, MD is a Neurological Surgery Physician provider in Colton, CA (NPI 1992812671).
Provider details
- NPI number
- 1992812671
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G509811 (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
- 2006-08-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Wacker's NPI number?
- Margaret Wacker's National Provider Identifier (NPI) is 1992812671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Wacker's specialty?
- Margaret Wacker is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Wacker located?
- Margaret Wacker's practice location on file with NPPES is 400 N Pepper Ave, Colton, CA 92324.
- What is Margaret Wacker's phone number?
- The practice phone number listed in the NPPES registry for Margaret Wacker is (909) 580-6210.
- Does Margaret Wacker accept Medicare?
- Margaret Wacker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Wacker's NPI active?
- Yes — Margaret Wacker's NPI (1992812671) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.