Christopher Duke, M.D.
NPI 1942225396 · Internal Medicine Physician · Washington, DC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Duke, M.D. is a Internal Medicine Physician provider in Washington, DC (NPI 1942225396).
Provider details
- NPI number
- 1942225396
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D42105 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,210 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 361 | $142 |
| Automated Urinalysis Test81003 | 171 | $2 |
| Advance Care Planning, First 30 Minutes99497 | 139 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 128 | $143 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 105 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 170 | 57 |
| Amlodipine Besylate | 152 | 50 |
| Metformin Hcl | 92 | 28 |
| Lisinopril | 76 | 24 |
| Levothyroxine Sodium | 69 | 24 |
| Tamsulosin Hcl | 67 | 21 |
| Escitalopram Oxalate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$238 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3500 Wisconsin Ave NwWashington, DC 20016-3011Phone: (202) 975-0070Fax: (202) 975-0072
Registry dates
- Enumerated
- 2006-07-13
- Last updated
- 2023-07-11
- Certified
- 2023-07-11
Frequently asked questions
- What is Christopher Duke's NPI number?
- Christopher Duke's National Provider Identifier (NPI) is 1942225396, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Duke's specialty?
- Christopher Duke is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher Duke located?
- Christopher Duke's practice location on file with NPPES is 5215 Loughboro Rd Nw Ste 460, Washington, DC 20016-2629.
- What is Christopher Duke's phone number?
- The practice phone number listed in the NPPES registry for Christopher Duke is (202) 244-9300.
- Does Christopher Duke accept Medicare?
- Christopher Duke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Duke's NPI active?
- Yes — Christopher Duke's NPI (1942225396) is active in the NPPES registry as of the last update on 2023-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.