DR. CHARLES HIRAM OLIVERA M.D.
NPI 1457465528
Psychiatry & Neurology - Neurology in Yuma, AZ

Q: What is Charles Olivera's NPI number?

The NPI number for Charles Olivera is 1457465528. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Q: What is Charles Olivera's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for Charles Olivera was last updated on January 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.

Active since August 18, 2006PECOS EnrolledAccepts Medicare Assignment

82.37/100

CMS Quality Rating

2400 S AVENUE A, YUMA, AZ 85364(928) 336-4577 Get Directions Write a Review

NPPES record last updated: January 3, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 3, 2025, Oct 7, 2020, Feb 22, 2018 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Charles Hiram Olivera M.d. NPPES

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

DR. CHARLES HIRAM OLIVERA M.D. (NPI 1457465528) is an individual neurology provider in Yuma, Arizona, licensed in Puerto Rico (12570) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1457465528

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. CHARLES HIRAM OLIVERACredential: M.D.

Location Address2400 S AVENUE AYuma, AZ 85364-7170

Mailing Address2400 S Avenue AYuma, AZ 85364-7170 · (928) 344-2000

Phone(928) 336-4577

Sole ProprietorYes

Medical School CMSOtherGraduated 1992

Enumeration DateAugust 18, 2006

Last NPPES UpdateJanuary 3, 20256 updates tracked since enumeration

NPPES CertifiedJanuary 3, 2025

✔ NPI 1457465528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

Licenses✔ Licensed in PR · 12570✔ Licensed in CO · DR.0059010✔ Licensed in AZ · 37868✔ Licensed in FL · ME 73103✔ Licensed in TX · P4796

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

2400 S AVENUE A, Yuma, AZ 85364

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc.Insurance ›

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

Dr. Charles Hiram Olivera M.d. 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 ID8527093202

PECOS Enrollment IDI20080124000065

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 Reassignments

Medicare enrollment records show Charles Olivera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Yuma Regional Medical Center

Same address

General Acute Care Hospital

2400 S AVE A
Yuma, AZ 85364

Reassigned Medicare billing, Arizona enrollment
557 clinicians in this Medicare group

NPI 1194706655 (928) 344-2000

Centro Medico Del Turabo Inc

3,166 mi

Multi-Specialty

HIMA SAN PABLO CAGUAS, URB MARIOLGA #100 AVE LUIS MUNOZ MARIN
Caguas, PR 00725

Reassigned Medicare billing, Puerto Rico enrollment
428 clinicians in this Medicare group

NPI 1710107883 (787) 653-3434

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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

124 services81 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

113 services113 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

86 services83 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.

36 services33 patients

Measurement of brain wave activity (eeg), 41-60 minutes 95812

This procedure involves placing small sensors on your head to record your brain's electrical activity for 41-60 minutes. Known as an EEG, it helps doctors understand how your brain works, assisting in diagnosing conditions like epilepsy or sleep disorders.

22 services21 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85364 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

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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.

82.37/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

83.57

Promoting Interoperability

100

Improvement Activities

Cost

57.66

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BRIANNE ALLEN MA - CCC/SLP

Speech-Language Pathologist

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (928) 336-1631

DR. INA KIM MD

Emergency Medicine

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (702) 853-3561

CANDRA AIYANA LAND REGISTERED DIETITIAN

Dietitian, Registered

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (928) 336-2000

SANTWANA VINAYAK SOVANI MD

Anesthesiology

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (928) 344-2000

ASHVIN K SHAH M.D.

Internal Medicine (Sleep Medicine)

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (928) 336-3213

ASHISH SHARMA M.D.

Hospitalist

2400 S AVENUE A, YUMA REGIONAL MEDICAL CENTER
YUMA, AZ 85364

Yuma County (928) 336-3213

KORI DELLINGER AGACNP

Nurse Practitioner (Acute Care)

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (505) 328-4579

DR. ROBERT W. GOODWILLIE PHARMD

Pharmacist (Pharmacotherapy)

2400 S AVENUE A
YUMA, AZ 85364

Yuma County (928) 336-7037

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 Charles Olivera's NPI number?

The NPI number for Charles Olivera is 1457465528. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Where is Charles Olivera located?

Charles Olivera practices at 2400 S Avenue A, Yuma, AZ 85364. The listed phone number is (928) 336-4577.

What is Charles Olivera's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Charles Olivera enrolled in Medicare?

Yes. Charles Olivera 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 organizations bill Medicare for Charles Olivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Olivera reassigns Medicare benefits to 2 organizations: Yuma Regional Medical Center (Yuma, AZ) and Centro Medico Del Turabo Inc (Caguas, PR). Each 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 Charles Olivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Olivera accept?

Health plans from Cigna HealthCare of Arizona, Inc list Charles Olivera as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Charles Olivera was last updated on January 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.