Lauren Kelly Crostic, PA-C

  • Fontana, CA
  • Physician assistant
NPI1215385448
Part D claims, 2024
401
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2016
Practice address
16465 Sierra Lakes Pkwy Suite 300 Suite 300, Fontana, CA 92336-1242
Practice phone
Call (909) 429-2864
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy)

Primary care practice · Fontana, California

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Lauren Kelly Crostic is a physician assistant in Fontana, California

Lauren Crostic practices at Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy) in Fontana, California.

Lauren Crostic's NPI, 1215385448, was assigned on May 27, 2016. Lauren Crostic holds California license PA53720.

NPI and contact details
NPI enumeration date
May 27, 2016
NPI status
Active
Practice phone
(909) 429-2864
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
36
Medical school graduation
2016

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Lauren Kelly Crostic practices at Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy) in Fontana, California

Lauren Crostic's primary practice is Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy), at 16465 Sierra Lakes Pkwy Suite 300 Suite 300, Fontana, CA 92336-1242. The practice phone is (909) 429-2864.

  • Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy)
    16465 Sierra Lakes Pkwy Suite 300 Suite 300, Fontana, CA 92336-1242Phone(909) 429-2864

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Lauren Kelly Crostic is affiliated with 1 site of care and 1 medical group

Lauren Crostic's primary practice is Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy) in Fontana, California. The medical group on file is Cucamonga Valley Medical Group.

Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy)Primary care practice · Fontana, CaliforniaPrimary
Cucamonga Valley Medical GroupPrimary care group, Fontana, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Lauren Kelly Crostic's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Lauren Crostic practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy)Available with a free account

Source: Dmand AI Technology Install Data

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Lauren Kelly Crostic is one of 11,482 physician assistants in California

Physician assistant is Lauren Crostic's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Lauren Crostic is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA53720 · taxonomy 363A00000X

Physician assistants near Lauren Crostic

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Lauren Kelly Crostic's patients have a median age of 60

Across all payers, Dmand AI patient panel data puts Lauren Crostic's median patient age at 60, with 67% women.

Lauren Crostic's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women67%
  • Men33%

Source: Dmand AI Patient Panel Data

Lauren Kelly Crostic wrote 401 Medicare Part D claims in 2024

In 2024, Lauren Crostic wrote 401 Medicare Part D claims for 172 patients. 82% of them were for generic drugs. CMS names the drug for 163 of them, across 10 drugs with 11 or more claims each, at $13,054 in total drug cost.

Part D claims, 2024401
Drugs named by CMS10
Total drug cost$13,054
Part D patients172

Lauren Crostic's Part D claims by kind of drug, 2024

  • Generic328 claims82%
  • Brand-name and other73 claims18%

Lauren Crostic's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Lauren Crostic's Part D claims, 2024

  • Opioids3%13 of 401 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Lauren Crostic

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Sources for Lauren Kelly Crostic's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Lauren Kelly Crostic

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Lauren Kelly Crostic's NPI number?

Lauren Kelly Crostic's NPI number is 1215385448. It was assigned on May 27, 2016, and it is active in the NPI Registry.

What does Lauren Kelly Crostic specialize in?

Lauren Kelly Crostic is a physician assistant in Fontana, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Lauren Kelly Crostic practice?

Lauren Crostic practices at 16465 Sierra Lakes Pkwy Suite 300 Suite 300, Fontana, CA 92336-1242. Lauren Crostic's primary practice is Cucamonga Valley Medical Group - Fontana (Sierra Lakes Pkwy) in Fontana, California.

What is Lauren Kelly Crostic's office phone number?

The practice phone on file for Lauren Crostic is (909) 429-2864.

What is Lauren Kelly Crostic's medical license number?

Lauren Crostic holds California license PA53720.

What medical group is Lauren Kelly Crostic part of?

Lauren Crostic is linked to Cucamonga Valley Medical Group.

What drugs does Lauren Kelly Crostic prescribe most?

In 2024 Medicare Part D data, Lauren Crostic's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.

How long has Lauren Kelly Crostic been practicing?

Lauren Crostic graduated from medical school in 2016, 10 years ago.

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