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DIEN DO NP
NPI 1609326289
Nurse Practitioner - Gerontology in Mesa, AZ

Active since October 07, 2016PECOS EnrolledAccepts Medicare Assignment
6553 E BAYWOOD AVE STE 201, MESA, AZ 85206(480) 467-2273(866) 901-9543 Get Directions Write a Review

NPPES record last updated: January 28, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 16, 2024, Jul 28, 2023 (2 updates tracked since 2023).

About Dien Do Np NPPES

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

DIEN DO NP (NPI 1609326289) is an individual gerontology provider in Mesa, Arizona, licensed in Arizona (AP8990) and active in the NPI registry since October 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1609326289
Entity TypeIndividualMale
Primary Taxonomy363LG0600X
Provider Legal NameDIEN DOCredential: NP
Location Address6553 E BAYWOOD AVE STE 201Mesa, AZ 85206-1754
Mailing Address6553 E Baywood Ave Ste 201Mesa, AZ 85206-1754 · (480) 467-2273 · Fax (866) 901-9543
Phone(480) 467-2273
Fax(866) 901-9543
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 7, 2016
Last NPPES UpdateJanuary 28, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2025
✔ NPI 1609326289 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in AZ · AP8990
Also ListedClinical Nurse Specialist · GerontologyTaxonomy 364SG0600X · License AP8990 (AZ)
6553 E BAYWOOD AVE STE 201, Mesa, AZ 85206
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona 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

Dien Do Np 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 ID9830477256
PECOS Enrollment IDI20161104001524
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

9

Medicare enrollment records show Dien Do reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Apogee Medical Group Inc
21 mi
Internal Medicine
2525 E CAMELBACK RD, #1100
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 240 clinicians in this Medicare group
NPI 1205883725 (602) 778-3600
Active Vital Care LLC
21 mi
Family Medicine
1928 E HIGHLAND AVE STE F104
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 33 clinicians in this Medicare group
NPI 1326825092 (833) 242-0100
Innovative Pain And Wellness Plc
21 mi
Interventional Pain Medicine
18511 N SCOTTSDALE ROAD, SUITE 202
Scottsdale, AZ 85255
  • Reassigned Medicare billing, Arizona enrollment
  • 13 clinicians in this Medicare group
NPI 1659812444 (480) 306-7242
Angels Valley Community Healthcare Center PLLC
25 mi
Physician Assistant
14820 N CAVE CREEK RD STE 2
Phoenix, AZ 85032
  • Reassigned Medicare billing, Arizona enrollment
  • 28 clinicians in this Medicare group
NPI 1689303117 (833) 242-0100
Neurocritical Care And Stroke Of Arizona PLLC
25 mi
Vascular Neurology
250 E DUNLAP AVE
Phoenix, AZ 85020
  • Reassigned Medicare billing, Arizona enrollment
  • 28 clinicians in this Medicare group
NPI 1649561580 (602) 396-7491
Northwest Hbp Medical Services LLC
85 mi
Emergency Medicine
6200 N LA CHOLLA BLVD
Tucson, AZ 85741
  • Reassigned Medicare billing, Arizona enrollment
  • 664 clinicians in this Medicare group
NPI 1407353006 (520) 229-2657
Pain Institute Of Southern Arizona Pisa PC
88 mi
Pain Medicine
4582 N FIRST AVE, STE 170
Tucson, AZ 85718
  • Reassigned Medicare billing, Arizona enrollment
  • 27 clinicians in this Medicare group
NPI 1861575078 (520) 318-6035
Agave Adult Medical Care LLC
95 mi
Adult Medicine
70 BELL ROCK PLZ STE C
Sedona, AZ 86351
  • Reassigned Medicare billing, Arizona enrollment
  • 15 clinicians in this Medicare group
NPI 1861153579 (315) 717-7898
Green Valley Hospital Medicine Physicians, LLC
1,324 mi
Internal Medicine
1530 LONE OAK RD
Paducah, KY 42003
  • Reassigned Medicare billing, Arizona enrollment
  • 19 clinicians in this Medicare group
NPI 1215604236 (271) 444-2444

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 5

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.
1,000 services305 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.
125 services93 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.
32 services29 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.
30 services30 patients
Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042
An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.
22 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85206 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
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
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.

Other Providers at the Same Location NPPES

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

INNOVATIVE PAIN AND WELLNESS PLC
Anesthesiology (Pain Medicine)
6553 E BAYWOOD AVE STE 201
MESA, AZ 85206
Maricopa County (480) 206-7242

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 Dien Do's NPI number?

The NPI number for Dien Do is 1609326289. It was assigned to this individual provider in the NPPES registry on October 7, 2016.

Where is Dien Do located?

Dien Do practices at 6553 E Baywood Ave Ste 201, Mesa, AZ 85206. The listed phone number is (480) 467-2273.

What is Dien Do's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Dien Do enrolled in Medicare?

Yes. Dien Do 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 Dien Do's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dien Do reassigns Medicare benefits to 9 organizations: Apogee Medical Group Inc (Phoenix, AZ), Active Vital Care LLC (Phoenix, AZ), Innovative Pain And Wellness Plc (Scottsdale, AZ), Angels Valley Community Healthcare Center PLLC (Phoenix, AZ), Neurocritical Care And Stroke Of Arizona PLLC (Phoenix, AZ) and 4 more organizations, listed in the Medicare section above. 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 Dien Do's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dien Do accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and Oscar Health Plan, Inc. and 1 other insurer list Dien Do 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 Dien Do was last updated on January 28, 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.