Ying Ying Chen, M.D
NPI 1992960546 · Internal Medicine Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ying Ying Chen, M.D is a Internal Medicine Physician provider in Rochester, MN (NPI 1992960546).
Provider details
- NPI number
- 1992960546
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- 125055521 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
820 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 316 | $182 |
| 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 | 188 | $16 |
| Admn Sarscov2 Vacc 1 Dose90480 | 53 | $42 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 48 | $153 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 37 | $24 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 63 |
| Levothyroxine Sodium | 174 | 46 |
| Omeprazole | 157 | 36 |
| Losartan Potassium | 156 | 42 |
| Metoprolol Succinate | 142 | 40 |
| Amlodipine Besylate | 129 | 38 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-23
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Ying Ying Chen's NPI number?
- Ying Ying Chen's National Provider Identifier (NPI) is 1992960546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ying Ying Chen's specialty?
- Ying Ying Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ying Ying Chen located?
- Ying Ying Chen's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905-0001.
- What is Ying Ying Chen's phone number?
- The practice phone number listed in the NPPES registry for Ying Ying Chen is (507) 284-2511.
- Does Ying Ying Chen accept Medicare?
- Ying Ying Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ying Ying Chen's NPI active?
- Yes — Ying Ying Chen's NPI (1992960546) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.