Caren Armstrong, MD, PHD
NPI 1215321864 · Neurology with Special Qualifications in Child Neurology Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caren Armstrong, MD, PHD is a Neurology with Special Qualifications in Child Neurology Physician provider in Sacramento, CA (NPI 1215321864).
Provider details
- NPI number
- 1215321864
- Entity type
- Individual
- Primary specialty
- Neurology with Special Qualifications in Child Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 197666 (CA)
Specialties & taxonomies
- Neurology with Special Qualifications in Child Neurology PhysicianPrimary2084N0402XLicense 197666 (CA)
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$324 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-21
- Last updated
- 2024-09-06
- Certified
- 2024-09-06
Frequently asked questions
- What is Caren Armstrong's NPI number?
- Caren Armstrong's National Provider Identifier (NPI) is 1215321864, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caren Armstrong's specialty?
- Caren Armstrong is listed in the NPPES registry with a primary specialty of Neurology with Special Qualifications in Child Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Caren Armstrong located?
- Caren Armstrong's practice location on file with NPPES is 4860 Y St, Sacramento, CA 95817-2307.
- What is Caren Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Caren Armstrong is (916) 734-6280.
- Does Caren Armstrong accept Medicare?
- Caren Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caren Armstrong's NPI active?
- Yes — Caren Armstrong's NPI (1215321864) is active in the NPPES registry as of the last update on 2024-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.