Ruisu Chen, MD
NPI 1548881337 · Family Medicine Physician · York, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruisu Chen, MD is a Family Medicine Physician provider in York, PA (NPI 1548881337).
Provider details
- NPI number
- 1548881337
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MT220115 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 44 | 25 |
| Amlodipine Besylate | 29 | 16 |
| Lisinopril | 28 | 13 |
| Losartan Potassium | 22 | 11 |
| Gabapentin | 18 | 12 |
| Levothyroxine Sodium | 16 | — |
| Trazodone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-03
- Last updated
- 2023-09-16
- Certified
- 2023-09-16
Frequently asked questions
- What is Ruisu Chen's NPI number?
- Ruisu Chen's National Provider Identifier (NPI) is 1548881337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruisu Chen's specialty?
- Ruisu Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruisu Chen located?
- Ruisu Chen's practice location on file with NPPES is 1001 S George St, York, PA 17403-3676.
- What is Ruisu Chen's phone number?
- The practice phone number listed in the NPPES registry for Ruisu Chen is (717) 851-2521.
- Does Ruisu Chen accept Medicare?
- Ruisu Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruisu Chen's NPI active?
- Yes — Ruisu Chen's NPI (1548881337) is active in the NPPES registry as of the last update on 2023-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.