Doctor profile · Federal record

Dr. Chun-an Sun

Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Baltimore, MD

  • NPI 1922700673
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4940 Eastern Ave
Baltimore, MD 212242735
(410) 550-3350

Credentials & registration

NPPES · NUCC
NPI registered
March 2023 — 3 yrs on file
Profile last updated
July 17, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maryland #R231614

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922700673. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
95
Distinct HCPCS
3
Medicare allowed
$7,667
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 46 40 $78
99213 Established patient office or other outpatient visit, 20-29 minutes 26 25 $55
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 23 23 $115

In context: peer comparison

Among 132 peers in this city , average services per provider: 95. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
28
Patients
0
Total drug cost
$1,059
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 16 0 $673
Gabapentin Generic 12 0 $386

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chun-an Sun's medical specialty?
Dr. Chun-an Sun practices Family Nurse Practitioner in Baltimore, MD.
Where does Dr. Chun-an Sun practice?
Dr. Chun-an Sun practices at 4940 Eastern Ave, Baltimore, MD 212242735. Office phone: 4105503350.
What is Dr. Chun-an Sun's NPI?
Dr. Chun-an Sun's National Provider Identifier (NPI) is 1922700673, issued by NPPES.
Does Dr. Chun-an Sun accept Medicare assignment?
Dr. Chun-an Sun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Chun-an Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.