Allison Guimera, M.D.
NPI 1841518990 · Pediatrics Physician · Porter Ranch, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Guimera, M.D. is a Pediatrics Physician provider in Porter Ranch, CA (NPI 1841518990).
Provider details
- NPI number
- 1841518990
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A120463 (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
16 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
- 2010-05-13
- Last updated
- 2016-06-01
Frequently asked questions
- What is Allison Guimera's NPI number?
- Allison Guimera's National Provider Identifier (NPI) is 1841518990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Guimera's specialty?
- Allison Guimera is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Guimera located?
- Allison Guimera's practice location on file with NPPES is 19950 Rinaldi St, Porter Ranch, CA 91326-4141.
- What is Allison Guimera's phone number?
- The practice phone number listed in the NPPES registry for Allison Guimera is (818) 271-2400.
- Does Allison Guimera accept Medicare?
- Allison Guimera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Guimera's NPI active?
- Yes — Allison Guimera's NPI (1841518990) is active in the NPPES registry as of the last update on 2016-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.