Crystal Klewein, NP

  • Loma Linda, CA
  • Nurse practitioner
NPI1578160230PAC ID0143635268
Medicare patients, 2024
378
Part D claims, 2024
1,917
Hospital affiliations
1
Industry payments
$106
Medical groups
2
Practice address
11234 Anderson St, Loma Linda, CA 92354
Practice phone
Call (909) 558-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Loma Linda University Medical Center

Hospital · Loma Linda, California

See all 5 affiliations

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Crystal Klewein is a nurse practitioner in Loma Linda, California

Crystal Klewein practices at Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church.

Crystal Klewein's NPI, 1578160230, was assigned on October 6, 2020. Crystal Klewein holds California license 95015891.

NPI and contact details
Medicare PAC ID
0143635268
NPI enumeration date
October 6, 2020
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 558-4000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
32
Medical school graduation
2020

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

Crystal Klewein practices at Loma Linda University Medical Center in Loma Linda, California

Crystal Klewein's primary practice is Loma Linda University Medical Center, at 11234 Anderson St, Loma Linda, CA 92354 in San Bernardino County. The practice phone is (909) 558-4000.

Source: Dmand AI Affiliation Data

Crystal Klewein is affiliated with 3 sites of care and 2 medical groups

Crystal Klewein's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Crystal Klewein to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Crystal Klewein

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Crystal Klewein's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Klewein practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Loma Linda University Medical CenterAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Seventh-day Adventist Church and 6.2K+ hospitals, with verified contacts in the same login.

Crystal Klewein is one of 5,983 nurse practitioners in California

Nurse practitioner is Crystal Klewein's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Crystal Klewein is licensed in California.

Specialties and state licenses

  • Nurse practitioner, CaliforniaPrimaryLicense 95015891 · taxonomy 363L00000X

Nurse practitioners near Crystal Klewein

Counts of nurse practitioners 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

Crystal Klewein treated 378 Medicare patients in 2024, average age 76

CMS counts 378 Medicare patients who saw Crystal Klewein in 2024. The largest group is 65 to 74, with 156 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Crystal Klewein's median patient age at 68, with 45% women.

Medicare patients, 2024378
Average age76
Average risk score1.68
Also on Medicaid26%

Crystal Klewein's Medicare patients by age, 2024

Crystal Klewein's Medicare patients by sex, 2024

  • Women20053%
  • Men17847%

Chronic conditions among Crystal Klewein's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease52%
  4. Arthritis48%
  5. Atrial fibrillation43%
  6. Heart failure40%
  7. Diabetes37%
  8. Chronic kidney disease34%

Share of Medicare patients with each condition. A patient can have several.

Crystal Klewein's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women45%
  • Men55%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Crystal Klewein wrote 1,917 Medicare Part D claims in 2024

In 2024, Crystal Klewein wrote 1,917 Medicare Part D claims for 354 patients. 81% of them were for generic drugs.

Part D claims, 20241,917
Part D patients354

Crystal Klewein's Part D claims by kind of drug, 2024

  • Generic1,548 claims81%
  • Brand-name369 claims19%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Crystal Klewein offers telehealth to Medicare patients

Crystal Klewein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Crystal Klewein as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

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Crystal Klewein received $106 in industry payments in 2025

CMS Open Payments shows 3 general payments to Crystal Klewein from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $78.

Companies that paid Crystal Klewein the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Crystal Klewein

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Crystal Klewein'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 Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (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 Crystal Klewein

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

What is Crystal Klewein's NPI number?

Crystal Klewein's NPI number is 1578160230. It was assigned on October 6, 2020, and it is active in the NPI Registry.

What does Crystal Klewein specialize in?

Crystal Klewein is a nurse practitioner in Loma Linda, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Crystal Klewein practice?

Crystal Klewein practices at 11234 Anderson St, Loma Linda, CA 92354. Crystal Klewein's primary practice is Loma Linda University Medical Center in Loma Linda, California, part of Seventh-day Adventist Church. Dmand AI also links Crystal Klewein to 2 group practices and clinics and 1 medical group.

What is Crystal Klewein's office phone number?

The practice phone on file for Crystal Klewein is (909) 558-4000.

What is Crystal Klewein's medical license number?

Crystal Klewein holds California license 95015891.

Which hospitals is Crystal Klewein affiliated with?

Crystal Klewein practices at Loma Linda University Medical Center in Loma Linda, California.

What medical group is Crystal Klewein part of?

Crystal Klewein is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Crystal Klewein to 1 more medical group.

Does Crystal Klewein accept Medicare?

Yes. CMS lists Crystal Klewein as accepting Medicare assignment.

Does Crystal Klewein offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Crystal Klewein as offering telehealth services.

How many Medicare patients does Crystal Klewein see?

CMS counts 378 Medicare patients who saw Crystal Klewein in 2024, with an average age of 76.

Has Crystal Klewein received payments from drug or device companies?

CMS Open Payments shows $106 in general payments to Crystal Klewein from 2 companies from 2025 to 2025. The largest total came from Boston Scientific Corporation.

How long has Crystal Klewein been practicing?

Crystal Klewein graduated from medical school in 2020, 6 years ago.

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