Karen Allgaier, FNP
NPI 1629220629 · Family Nurse Practitioner · Upland, CA
Karen Allgaier, FNP is a Family Nurse Practitioner provider in Upland, CA (NPI 1629220629).
Provider details
- NPI number
- 1629220629
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- NP18623 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2008-10-21
- Last updated
- 2008-10-21
Frequently asked questions
- What is Karen Allgaier's NPI number?
- Karen Allgaier's National Provider Identifier (NPI) is 1629220629, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Allgaier's specialty?
- Karen Allgaier is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Allgaier located?
- Karen Allgaier's practice location on file with NPPES is 600 N Mountain Ave, Upland, CA 91786-4359.
- What is Karen Allgaier's phone number?
- The practice phone number listed in the NPPES registry for Karen Allgaier is (909) 931-7947.
- Is Karen Allgaier's NPI active?
- Yes — Karen Allgaier's NPI (1629220629) is active in the NPPES registry as of the last update on 2008-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.