Chun-An Sun
NPI 1922700673 · Family Nurse Practitioner · Baltimore, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chun-An Sun is a Family Nurse Practitioner provider in Baltimore, MD (NPI 1922700673).
Provider details
- NPI number
- 1922700673
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- R231614 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
549 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 179 | $65 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 78 | $88 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 78 | $14 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 46 | $114 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $80 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 57 | 24 |
| Amlodipine Besylate | 47 | 20 |
| Oxycodone Hcl | 46 | 14 |
| Losartan Potassium | 37 | 17 |
| Lisinopril | 35 | 17 |
| Gabapentin | 31 | 11 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-03-20
- Last updated
- 2023-07-17
- Certified
- 2023-07-17
Frequently asked questions
- What is Chun-An Sun's NPI number?
- Chun-An Sun's National Provider Identifier (NPI) is 1922700673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chun-An Sun's specialty?
- Chun-An Sun is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chun-An Sun located?
- Chun-An Sun's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Chun-An Sun's phone number?
- The practice phone number listed in the NPPES registry for Chun-An Sun is (410) 550-3350.
- Does Chun-An Sun accept Medicare?
- Chun-An Sun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chun-An Sun's NPI active?
- Yes — Chun-An Sun's NPI (1922700673) is active in the NPPES registry as of the last update on 2023-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.