GERALD L OLDHAM MD
NPI 1235176207
Internal Medicine in Peoria, AZ

Active since May 31, 2006PECOS EnrolledAccepts Medicare Assignment
13640 N PLAZA DEL RIO BLVD, STE 220, PEORIA, AZ 85381(623) 876-3850(623) 876-3809 Get Directions Write a Review

NPPES record last updated: January 24, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gerald L Oldham Md NPPES

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

GERALD L OLDHAM MD (NPI 1235176207) is an individual internal medicine provider in Peoria, Arizona, licensed in Arizona (10076) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Arkansas College Of Medicine (1976).

NPPES Registry Identity

NPI1235176207
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGERALD L OLDHAMCredential: MD
Location Address13640 N PLAZA DEL RIO BLVD, STE 220Peoria, AZ 85381-4846
Mailing Address13640 N Plaza Del Rio BlvdPeoria, AZ 85381-4846 · (623) 876-3800 · Fax (623) 876-3809
Fax(623) 876-3809
Sole ProprietorNo
Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 1976
Enumeration DateMay 31, 2006
Last NPPES UpdateJanuary 24, 2008
NPI 1235176207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in AZ · 10076
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.

13640 N PLAZA DEL RIO BLVD, Peoria, AZ 85381

Other Identifiers 4

Medicare PINZ11WCFGW04AZ
Medicare UPIND00062AZ
Medicare PINZWCKJD23AZ
Medicaid267642AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gerald L Oldham 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 ID4789596040
PECOS Enrollment IDI20060310000014
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.

Areas of Expertise CMS Part B claims 9

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.
272 services214 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.
247 services247 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.
179 services135 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
36 services36 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
33 services33 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85381 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.

Referred Medical Equipment & Supplies CMS DME claims 3

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
12 suppliers35 claims90 services$6.68 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers19 claims24 services$1.16 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
6 suppliers11 claims62 services$1.49 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner (Family)
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381
Family Medicine
13640 N PLAZA DEL RIO BLVD, STE 210
PEORIA, AZ 85381
Nurse Practitioner (Psychiatric/Mental Health)
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381
Durable Medical Equipment & Medical Supplies
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381
Family Medicine (Geriatric Medicine)
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381
Nurse Practitioner (Family)
13640 N PLAZA DEL RIO BLVD, SUITE 350
PEORIA, AZ 85381
Psychiatry & Neurology (Psychiatry)
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381
Internal Medicine (Gastroenterology)
13640 N PLAZA DEL RIO BLVD
PEORIA, AZ 85381

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 Gerald Oldham's NPI number?

The NPI number for Gerald Oldham is 1235176207. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Gerald Oldham located?

Gerald Oldham practices at 13640 N Plaza Del Rio Blvd Ste 220, Peoria, AZ 85381. The listed phone number is (623) 876-3850.

What is Gerald Oldham's specialty?

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

Is Gerald Oldham enrolled in Medicare?

Yes. Gerald Oldham 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.

What insurance does Gerald Oldham accept?

Health plans from Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Gerald Oldham 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 Gerald Oldham was last updated on January 24, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.