Lauren Crostic, PA-C
NPI 1215385448 · Physician Assistant · Fontana, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lauren Crostic, PA-C is a Physician Assistant provider in Fontana, CA (NPI 1215385448).
Provider details
- NPI number
- 1215385448
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA53720 (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
10 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) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 37 | 27 |
| Levothyroxine Sodium | 18 | 11 |
| Losartan Potassium | 18 | 14 |
| Metformin Hcl | 15 | 11 |
| Amlodipine Besylate | 14 | 11 |
| Lisinopril | 14 | — |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-27
- Last updated
- 2018-11-14
Frequently asked questions
- What is Lauren Crostic's NPI number?
- Lauren Crostic's National Provider Identifier (NPI) is 1215385448, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lauren Crostic's specialty?
- Lauren Crostic is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lauren Crostic located?
- Lauren Crostic's practice location on file with NPPES is 16465 Sierra Lakes Pkwy, Fontana, CA 92336-1242.
- What is Lauren Crostic's phone number?
- The practice phone number listed in the NPPES registry for Lauren Crostic is (909) 429-2864.
- Does Lauren Crostic accept Medicare?
- Lauren Crostic is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lauren Crostic's NPI active?
- Yes — Lauren Crostic's NPI (1215385448) is active in the NPPES registry as of the last update on 2018-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.