Doctor profile · Federal record

Dr. Maria Sun, MD

Internal Medicine Physician (CMS: Internal Medicine) · Student in an Organized Health Care Education/Training Program · Sacramento, CA

  • NPI 1528227626
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2025 Morse Ave
Sacramento, CA 958252115
(916) 298-7582

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
December 15, 2021
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A115384

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528227626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
2
Medicare allowed
$5,200
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 50 19 $81
99238 Hospital discharge day management, 30 minutes or less 14 14 $83

In context: peer comparison

Among 123 peers in this city , average services per provider: 116. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
120
Patients
44
Total drug cost
$2,161
Drug Type Claims Patients Total cost
Furosemide Generic 27 19 $311
Atorvastatin Calcium Generic 22 13 $543
Tamsulosin Hcl Generic 20 0 $323
Metoprolol Succinate Generic 16 0 $326
Cefpodoxime Proxetil Generic 12 12 $249
Pantoprazole Sodium Generic 12 0 $147
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 11 0 $261

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Sun's medical specialty?
Dr. Maria Sun practices Internal Medicine Physician in Sacramento, CA.
Where does Dr. Maria Sun practice?
Dr. Maria Sun practices at 2025 Morse Ave, Sacramento, CA 958252115. Office phone: 9162987582.
What is Dr. Maria Sun's NPI?
Dr. Maria Sun's National Provider Identifier (NPI) is 1528227626, issued by NPPES.
Does Dr. Maria Sun accept Medicare assignment?
Yes. Dr. Maria Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Sun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.