Claire Shaffer, NP
NPI 1669198024 · Family Nurse Practitioner · Costa Mesa, CA
Claire Shaffer, NP is a Family Nurse Practitioner provider in Costa Mesa, CA (NPI 1669198024).
Provider details
- NPI number
- 1669198024
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95022335 (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
3 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Apixabanbrand: Eliquis | 21 |
| Escitalopram Oxalate | 20 |
| Mirtazapine | 20 |
| Divalproex Sodium | 18 |
| Atorvastatin Calcium | 16 |
| Levothyroxine Sodium | 15 |
| Gabapentin | 14 |
| Ranolazinebrand: Ranolazine Er | 13 |
| Sertraline Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-10-18
- Last updated
- 2022-10-18
- Certified
- 2022-10-18
Frequently asked questions
- What is Claire Shaffer's NPI number?
- Claire Shaffer's National Provider Identifier (NPI) is 1669198024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Claire Shaffer's specialty?
- Claire Shaffer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Claire Shaffer located?
- Claire Shaffer's practice location on file with NPPES is 338 Bucknell Rd, Costa Mesa, CA 92626-6139.
- What is Claire Shaffer's phone number?
- The practice phone number listed in the NPPES registry for Claire Shaffer is (949) 307-4611.
- Is Claire Shaffer's NPI active?
- Yes — Claire Shaffer's NPI (1669198024) is active in the NPPES registry as of the last update on 2022-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.