Robert Chou, M.D.
NPI 1639145931 · Internal Medicine Physician · Easton, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Chou, M.D. is a Internal Medicine Physician provider in Easton, MD (NPI 1639145931).
Provider details
- NPI number
- 1639145931
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D67040 (MD)
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
1,011 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) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 277 | $74 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 270 | $73 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 167 | $106 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 137 | $179 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 116 | $131 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 75 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 179 | 52 |
| Apixabanbrand: Eliquis | 167 | 28 |
| Gabapentin | 127 | 38 |
| Amlodipine Besylate | 92 | 33 |
| Pantoprazole Sodium | 84 | 20 |
| Trazodone Hcl | 83 | 22 |
| Furosemide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2023-07-28
- Certified
- 2023-07-28
Frequently asked questions
- What is Robert Chou's NPI number?
- Robert Chou's National Provider Identifier (NPI) is 1639145931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Chou's specialty?
- Robert Chou is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Chou located?
- Robert Chou's practice location on file with NPPES is 610 Dutchmans Ln, Easton, MD 21601-3346.
- What is Robert Chou's phone number?
- The practice phone number listed in the NPPES registry for Robert Chou is (410) 822-4000.
- Does Robert Chou accept Medicare?
- Robert Chou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Chou's NPI active?
- Yes — Robert Chou's NPI (1639145931) is active in the NPPES registry as of the last update on 2023-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.