Doctor profile · Federal record

Dr. Diana Chen, DO

Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · Houston, TX

  • NPI 1427547488
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1701 Sunset Blvd
Houston, TX 770051798
(713) 526-5511
fax (713) 520-4755

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
July 12, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #T1318

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427547488. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
929
Distinct HCPCS
4
Medicare allowed
$80,526
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 710 173 $79
99239 Hospital discharge day management, more than 30 minutes 94 87 $115
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 75 71 $130
99238 Hospital discharge day management, 30 minutes or less 50 45 $80

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
15
Total drug cost
$370
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 15 $99
Doxycycline Hyclate Generic 11 0 $137
Metoprolol Succinate Generic 11 0 $115
Tramadol Hcl Generic 11 0 $18

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Chen's medical specialty?
Dr. Diana Chen practices Internal Medicine Physician in Houston, TX.
Where does Dr. Diana Chen practice?
Dr. Diana Chen practices at 1701 Sunset Blvd, Houston, TX 770051798. Office phone: 7135265511.
What is Dr. Diana Chen's NPI?
Dr. Diana Chen's National Provider Identifier (NPI) is 1427547488, issued by NPPES.
Does Dr. Diana Chen accept Medicare assignment?
Yes. Dr. Diana Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diana Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.