Doctor profile · Federal record

Dr. DIEN DO, NP

Gerontology Nurse Practitioner (CMS: NURSE PRACTITIONER) · Gerontology Clinical Nurse Specialist · MESA, AZ

  • NPI 1609326289
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6553 E BAYWOOD AVE STE 201
MESA, AZ 852061754
(480) 467-2273
fax (866) 901-9543

Credentials & registration

NPPES · NUCC
NPI registered
October 2016 — 10 yrs on file
Profile last updated
January 28, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LG0600X — NUCC code
State license (1)
Arizona #AP8990

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609326289. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,151
Distinct HCPCS
7
Medicare allowed
$117,184
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 744 267 $103
99213 Established patient office or other outpatient visit, 20-29 minutes 172 107 $74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 73 73 $109
G0481 Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms 54 47 $153
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 53 53 $146
G3002 Chronic pain management and treatment, monthly bundle including, diagnosis; assessment and monitoring; administration of a validated pain rating scale or tool; the development, implementation, revision, and/or maintenance of a person-centered care plan tha 41 17 $68
20610 Aspiration and/or injection of fluid from large joint 14 11 $65

In context: peer comparison

Among 4 peers in this city , average services per provider: 104. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$372
Transactions
24
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 15 $199.75
Medtronic, Inc. 1 $38.17
SCILEX PHARMACEUTICALS INC. 2 $31.66
Nevro Corp. 2 $28.72
Ultragenyx Pharmaceutical Inc. 1 $21.11
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $17.97
Spinal Simplicity, LLC 1 $17.76
Collegium Pharmaceutical, Inc. 1 $16.60

By nature of payment

Food and Beverage
$372

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,988
Patients
1,371
Total drug cost
$89,939
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 758 218 $19,946
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 648 220 $19,749
Oxycodone Hcl Generic 576 166 $13,162
Gabapentin Generic 377 150 $7,283
Tizanidine Hcl Generic 321 128 $3,288
Pregabalin Generic 246 94 $5,762
Tramadol Hcl Generic 224 91 $2,046
Morphine Sulfate Er (Morphine Sulfate) Brand 182 54 $4,747
Cyclobenzaprine Hcl Generic 171 61 $1,388
Diclofenac Sodium Generic 107 48 $5,118

Hospital affiliations

CMS Hospital Compare