Chun-An Sun
Family Nurse Practitioner · Baltimore, MD
Chun-An Sun is a family nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1922700673, issued on Mar 20, 2023. Check the license (Maryland R231614, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chun-An Sun
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R231614 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-3350
- Enumerated
- Mar 20, 2023
- Record last updated
- Jul 17, 2023
- Medicare enrollment
- Enrolled (PECOS I20230929003434); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jared Abay, PA-CSurgical Physician Assistant1659427342
- Alexandra Abbate, MDObstetrics & Gynecology Physician1194287003
- Anas AbdullahStudent in an Organized Health Care Education/Training Program1184040917
- Asma Abeer, PA-CMedical Physician Assistant1386356442
- Mona Abraham, MDStudent in an Organized Health Care Education/Training Program1245807395
- Sherifatu Abu, MDInternal Medicine Physician1093372922
Verify Chun-An Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R231614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average family nurse practitioner in 2024
987 Medicare Part D claims for 204 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 51 claims were for opioids.
Most prescribed
- Atorvastatin Calcium57 claims
- Amlodipine Besylate47 claims
- Oxycodone Hcl46 claims
- Losartan Potassium37 claims
- Lisinopril35 claims
- Gabapentin31 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chun-An Sun among 4,124 family nurse practitioner records in Maryland
Chun-An Sun is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 78% of them.
- NPI issued2023 · 78% of these records are older, 14% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2014 · median 2019 among the 2,370 with a school on file
- Record last updated2023 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
712 family nurse practitioner records list a practice address in Baltimore
They are 712 of the 35,183 NPPES records with a practice address in Baltimore, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Baltimore → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Tyler Cornell, CRNPBaltimore, MD 212241255576724
- Nirali Depasquale, FNPBaltimore, MD 212241255603346
- Kathleen Diamond, CRNPBaltimore, MD 212241962491027
- Alissa Dye, FNPBaltimore, MD 212241255564886
- Faye Feldman, CRNPBaltimore, MD 212241285673053
- Meghan Greeley, FNPBaltimore, MD 212241174826648
- Palmtama Grier, CFNPBaltimore, MD 212241871828319
- Cheryl Harrow, MS, APRNBaltimore, MD 212241881751774
Common questions
What is Chun-An Sun's NPI number?
Chun-An Sun's National Provider Identifier (NPI) is 1922700673, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Chun-An Sun located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-3350. Providers update this record themselves, so call before visiting.
How can I verify Chun-An Sun's license?
NPPES lists Maryland license number R231614, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Chun-An Sun prescribe under Medicare Part D?
In 2024, Chun-An Sun had 987 Medicare Part D claims for 204 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.