Roger Chen, M.D.
NPI 1245207836 · Family Medicine Physician · Ypsilanti, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Roger Chen, M.D. is a Family Medicine Physician provider in Ypsilanti, MI (NPI 1245207836).
Provider details
- NPI number
- 1245207836
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301072246 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
304 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 | 145 | $90 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 60 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $39 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $96 |
| Administration of Influenza Virus VaccineG0008 | 19 | $33 |
| Admn Sarscov2 Vacc 1 Dose90480 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 329 | 94 |
| Levothyroxine Sodium | 152 | 36 |
| Lisinopril | 120 | 32 |
| Omeprazole | 118 | 33 |
| Losartan Potassium | 94 | 28 |
| Olmesartan Medoxomil | 93 | 27 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-02
- Last updated
- 2014-09-11
Frequently asked questions
- What is Roger Chen's NPI number?
- Roger Chen's National Provider Identifier (NPI) is 1245207836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Roger Chen's specialty?
- Roger Chen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Roger Chen located?
- Roger Chen's practice location on file with NPPES is 4940 W Clark Rd, Ypsilanti, MI 48197-0860.
- What is Roger Chen's phone number?
- The practice phone number listed in the NPPES registry for Roger Chen is (734) 971-1188.
- Does Roger Chen accept Medicare?
- Roger Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Roger Chen's NPI active?
- Yes — Roger Chen's NPI (1245207836) is active in the NPPES registry as of the last update on 2014-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.