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OLIVIA A MANSILLA MD
NPI 1376563189
Internal Medicine in Redding, CA

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
784 LAKEVIEW DR, REDDING, CA 96001(804) 301-0225(804) 301-0225 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Olivia A Mansilla Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OLIVIA A MANSILLA MD (NPI 1376563189) is an individual internal medicine provider in Redding, California, licensed in Virginia (0101229981) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1376563189
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameOLIVIA A MANSILLACredential: MD
Location Address784 LAKEVIEW DRRedding, CA 96001-0317
Mailing Address784 Lakeview DrRedding, CA 96001-0317 · (804) 301-0225 · Fax (804) 301-0225
Phone(804) 301-0225
Fax(804) 301-0225
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 21, 2006
Last NPPES UpdateAugust 21, 2025
NPPES CertifiedAugust 21, 2025
✔ NPI 1376563189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101229981
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
784 LAKEVIEW DR, Redding, CA 96001
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Other Names 1

Other Name (5)Karolin Mansilla Md

Other Identifiers 1

Medicaid010021065VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Olivia A Mansilla Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971668476
PECOS Enrollment IDI20090217000563
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Olivia Mansilla reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Shasta Community Health Center
1.1 mi
Federally Qualified Health Center (FQHC)
1000 PLACER STREET
Redding, CA 96001
  • Reassigned Medicare billing, California enrollment
  • 144 clinicians in this Medicare group
NPI 1710450929 (530) 246-5710

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
170 services77 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
165 services91 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
82 services82 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
69 services69 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
52 services52 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
46 services40 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
84%7,061 patients2/55-star benchmark: 99%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
77%1,045 patients4/55-star benchmark: 88%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%329 patients5/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
95%1,001 patients4/55-star benchmark: 97%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
98%999 patients4/55-star benchmark: 100%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
67%999 patients4/55-star benchmark: 89%
View, Download, or Transmit (VDT)
At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.
49%999 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers16 claims52 services$6.70 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
4 suppliers15 claims21 services$1.15 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Olivia Mansilla's NPI number?

The NPI number for Olivia Mansilla is 1376563189. It was assigned to this individual provider in the NPPES registry on July 21, 2006. The provider is also known as Karolin Mansilla MD.

Where is Olivia Mansilla located?

Olivia Mansilla practices at 784 Lakeview Dr, Redding, CA 96001. The listed phone number is (804) 301-0225.

What is Olivia Mansilla's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Olivia Mansilla enrolled in Medicare?

Yes. Olivia Mansilla is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Olivia Mansilla's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Mansilla reassigns Medicare benefits to Shasta Community Health Center (Redding, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Olivia Mansilla's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Olivia Mansilla was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.