Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN DEMPSTER JR. M.D.
NPI 1386854974
Psychiatry & Neurology - Neurology in Tucson, AZ

Q: What is John Dempster's NPI number?

The NPI number for John Dempster is 1386854974. It was assigned to this individual provider in the NPPES registry on May 23, 2007.

Q: What is John Dempster'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 John Dempster was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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 May 23, 2007PECOS EnrolledAccepts Medicare Assignment

85.78/100

CMS Quality Rating

3838 N CAMPBELL AVE, TUCSON, AZ 85719(520) 694-8888(520) 694-0502 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About John Dempster Jr. M.d. NPPES

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

JOHN DEMPSTER JR. M.D. (NPI 1386854974) is an individual neurology provider in Tucson, Arizona, licensed in Washington (MD60170989) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of University Of Arkansas College Of Medicine (2002).

NPPES Registry Identity

NPI1386854974

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameJOHN DEMPSTER JR.Credential: M.D.

Location Address3838 N CAMPBELL AVETucson, AZ 85719-1454

Mailing Address2121 Ne 139th St, Medical Office Building A, Suite 400Vancouver, WA 98686-2316 · (360) 487-4707 · Fax (360) 487-4709

Phone(520) 694-8888

Fax(520) 694-0502

Sole ProprietorNo

Medical School CMSUniversity Of Arkansas College Of MedicineGraduated 2002

Enumeration DateMay 23, 2007

Last NPPES UpdateSeptember 1, 2026

NPPES CertifiedSeptember 1, 2026

✔ NPI 1386854974 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 WA · MD60170989✔ Licensed in OR · MD28304✔ Licensed in AZ · 79648

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.

3838 N CAMPBELL AVE, Tucson, AZ 85719

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Kaiser Permanente, Moda Health Plan, Inc. and more.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

John Dempster Jr. 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 ID8820161375

PECOS Enrollment IDI20080717000209, I20101025001401

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 John Dempster reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Legacy Clinics LLC

1,090 mi

Rural Health

36860 INDUSTRIAL WAY
Sandy, OR 97055

Reassigned Medicare billing, Oregon enrollment
1,248 clinicians in this Medicare group

NPI 1730472192 (503) 826-0206

Legacy Mount Hood Medical Center

1,100 mi

General Acute Care Hospital

24800 SE STARK ST
Gresham, OR 97030

Reassigned Medicare billing, Oregon enrollment
132 clinicians in this Medicare group

NPI 1255354700 (503) 674-1122

Legacy Meridian Park Hospital

1,103 mi

Hospitalist

19300 SW 65TH AVE
Tualatin, OR 97062

Reassigned Medicare billing, Oregon enrollment
218 clinicians in this Medicare group

NPI 1023305034 (503) 692-1212

Legacy Emanuel Hospital & Health Center

1,109 mi

General Acute Care Hospital

1225 NE 2ND AVE
Portland, OR 97232

Reassigned Medicare billing, Oregon enrollment
719 clinicians in this Medicare group

NPI 1003367491 (503) 944-8000

Legacy Good Samaritan Hospital And Medical Center

1,110 mi

General Acute Care Hospital

1015 NW 22ND AVE
Portland, OR 97210

Reassigned Medicare billing, Oregon enrollment
387 clinicians in this Medicare group

NPI 1780608216 (503) 413-7711

Legacy Salmon Creek Hospital

1,119 mi

Clinic/Center

2211 NE 139TH ST
Vancouver, WA 98686

Reassigned Medicare billing, Washington enrollment
754 clinicians in this Medicare group

NPI 1356357784 (360) 487-2878

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 8

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.

74 services62 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

45 services42 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.

42 services40 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.

30 services30 patients

Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 95720

This procedure monitors brain wave activity over 12-26 hours using Video EEG (VEEG). It involves recording brain waves and video to detect irregularities. A healthcare professional will review the data and provide a report. It's non-invasive and safe.

22 services12 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

13 services13 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380007

Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County

Emergency services Birthing friendly

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380017

Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah County

Emergency services Birthing friendly

Legacy Mount Hood Medical Center

Acute Care Hospitals · Gresham, OR

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380025

Location24800 SE Stark StreetGresham, OR 97030 · Multnomah County

Emergency services Birthing friendly

Legacy Salmon Creek Medical Center

Acute Care Hospitals · Vancouver, WA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number500150

Location2211 NE 139th StreetVancouver, WA 98686 · Clark County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85719 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.

85.78/100

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

Scored as part of a group practice

Quality

96.89

Promoting Interoperability

100

Improvement Activities

Cost

48.45

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.

DR. AMY KLEIN MD

Internal Medicine (Hospice and Palliative Medicine)