Renee Chen, DO
NPI 1952988503 · Internal Medicine Physician · Billings, MT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Renee Chen, DO is a Internal Medicine Physician provider in Billings, MT (NPI 1952988503).
Provider details
- NPI number
- 1952988503
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
250 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 120 | $77 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 47 | $117 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 33 | $170 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 32 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 18 | $80 |
Typical Medicare-allowed amounts for these services range $77–$170 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 59 | 27 |
| Losartan Potassium | 46 | 15 |
| Levothyroxine Sodium | 40 | 11 |
| Omeprazole | 35 | — |
| Metoprolol Succinate | 33 | 11 |
| Lisinopril | 32 | 11 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-28
- Last updated
- 2024-06-12
- Certified
- 2024-06-12
Frequently asked questions
- What is Renee Chen's NPI number?
- Renee Chen's National Provider Identifier (NPI) is 1952988503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Renee Chen's specialty?
- Renee Chen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Renee Chen located?
- Renee Chen's practice location on file with NPPES is 801 N 29th St, Billings, MT 59101-0905.
- What is Renee Chen's phone number?
- The practice phone number listed in the NPPES registry for Renee Chen is (406) 238-2500.
- Does Renee Chen accept Medicare?
- Renee Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Renee Chen's NPI active?
- Yes — Renee Chen's NPI (1952988503) is active in the NPPES registry as of the last update on 2024-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.