Dr. Lorien Rachel Wallace, DO

  • Fontana, CA
  • Hospitalist
NPI1518220722PAC ID7517274814
Medicare services, 2024
12
Medicare patients, 2024
14
Part D claims, 2018
69
Hospital affiliations
1
Medical group
1
Practice address
9965 Sierra Ave, Fontana, CA 92335
Practice phone
Call (909) 427-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Kaiser Permanente - Fontana Medical Center

Fontana, California

See all 3 affiliations

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Dr. Lorien Rachel Wallace is a hospitalist in Fontana, California

Dr. Wallace practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.

Dr. Wallace's NPI, 1518220722, was assigned on June 21, 2012. Dr. Wallace graduated from WesternU College of Osteopathic Medicine of the Pacific in 2012. Dr. Wallace holds California license 20A13168.

NPI and contact details
Medicare PAC ID
7517274814
NPI enumeration date
June 21, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 427-5000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
40
Medical school graduation
2012

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

Dr. Lorien Rachel Wallace practices at Kaiser Permanente - Fontana Medical Center in Fontana, California

Dr. Wallace's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.

  • Kaiser Permanente - Fontana Medical Center
    9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Lorien Rachel Wallace is affiliated with 2 sites of care and 1 medical group

Dr. Wallace's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Wallace is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group.

See all 3 affiliations for Dr. Wallace

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Lorien Rachel Wallace's practice

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

EHR by site
SiteEHR vendor and product
Kaiser Permanente - Fontana Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Lorien Rachel Wallace is one of 3,186 hospitalists in California

Hospitalist is Dr. Wallace's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Wallace is board certified in internal medicine by the AOA Board of Internal Medicine. Dr. Wallace is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense 20A13168 · 2014 to 2026 · taxonomy 208M00000X

Hospitalists near Dr. Wallace

Counts of hospitalists 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

Dr. Lorien Rachel Wallace billed Medicare for 12 services in 2024

CMS data shows 12 Medicare services from Dr. Wallace across 1 procedure code in 2024, for 14 Medicare patients. Medicare paid $1,142 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202412
Medicare patients14
Paid by Medicare$1,142
Procedure codes1

Dr. Wallace's Medicare services by type, 2016 to 2024

  • 2016
  • 2024
Office and hospital visits
2016: 152024: 1220%

Dr. Wallace compared with the California median for hospitalists, 2024

  • Dr. Wallace
  • California median
Medicare services
12vs 43097% below
Medicare patients
14vs 20193% below
Part D claims
69vs 69Close to median

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

Dr. Wallace's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wallace

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Lorien Rachel Wallace treated 14 Medicare patients in 2024, average age 69

CMS counts 14 Medicare patients who saw Dr. Wallace in 2024. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 4.07, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Wallace's median patient age at 63, with 61% women.

Medicare patients, 202414
Average age69
Average risk score4.07

Dr. Wallace's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Wallace's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%

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

Dr. Wallace's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women61%
  • Men38%

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

Dr. Lorien Rachel Wallace wrote 69 Medicare Part D claims in 2018

In 2018, Dr. Wallace wrote 69 Medicare Part D claims. They cover 4 drugs, with $1,332 in total drug cost. In 2017, CMS named 209 claims across 10 drugs.

Part D claims, 201869
Drugs named by CMS4
Total drug cost$1,332

Dr. Wallace's most prescribed drugs by claims, 2018

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

Part D claims for drugs CMS names, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 2092018: 6967%

Drugs named by CMS: 4 in 2018, 10 in 2017.

See all prescribing by Dr. Wallace

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

How Dr. Lorien Rachel Wallace takes part in Medicare

Dr. Wallace accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Lorien Rachel Wallace graduated from WesternU College of Osteopathic Medicine of the Pacific

Dr. Wallace graduated from WesternU College of Osteopathic Medicine of the Pacific in 2012. Dr. Wallace is a member of AOA.

  1. Medical schoolWesternU College of Osteopathic Medicine of the Pacific
  2. Board certified in internal medicineAOA Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Lorien Rachel Wallace accepts plans from 2 insurance carriers

Dr. Wallace is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Kaiser Permanente
  • CMS Medicare

Plan types Dr. Wallace accepts, by number of carriers

  1. EPO1
  2. HMO1
  3. Medicare1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Lorien Rachel Wallace'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Lorien Rachel Wallace

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

What is Dr. Lorien Rachel Wallace's NPI number?

Dr. Lorien Rachel Wallace's NPI number is 1518220722. It was assigned on June 21, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Lorien Rachel Wallace?

Dr. Lorien Rachel Wallace is a hospitalist in Fontana, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Lorien Rachel Wallace practice?

Dr. Wallace practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Wallace's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.

What is Dr. Lorien Rachel Wallace's office phone number?

The practice phone on file for Dr. Wallace is (909) 427-5000.

What is Dr. Lorien Rachel Wallace's medical license number?

Dr. Wallace holds California license 20A13168.

Which hospitals is Dr. Lorien Rachel Wallace affiliated with?

Dr. Wallace is affiliated with Fontana Medical Center.

What medical group is Dr. Lorien Rachel Wallace part of?

Dr. Wallace is linked to Southern California Permanente Medical Group.

Does Dr. Lorien Rachel Wallace accept Medicare?

Yes. CMS data shows Dr. Wallace billed Medicare for 12 services in 2024, and Dr. Wallace accepts Medicare assignment.

How many Medicare patients does Dr. Lorien Rachel Wallace see?

CMS counts 14 Medicare patients who saw Dr. Wallace in 2024, with an average age of 69.

Is Dr. Lorien Rachel Wallace board certified?

Yes. Dr. Wallace is board certified in internal medicine by the AOA Board of Internal Medicine.

Show 5 more questionsShow fewer questions

What services does Dr. Lorien Rachel Wallace bill to Medicare?

In 2024, Dr. Wallace's most billed Medicare services were hospital inpatient care (99222).

Where did Dr. Lorien Rachel Wallace go to medical school?

Dr. Wallace graduated from WesternU College of Osteopathic Medicine of the Pacific in 2012.

What drugs does Dr. Lorien Rachel Wallace prescribe most?

In 2018 Medicare Part D data, Dr. Wallace's most prescribed drugs by claims were Clopidogrel, Metoprolol Tartrate and Atorvastatin Calcium.

How long has Dr. Lorien Rachel Wallace been practicing?

Dr. Wallace graduated from medical school in 2012, 14 years ago.

What insurance does Dr. Lorien Rachel Wallace accept?

Dr. Wallace is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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