Donald Delwood, M.D.
NPI 1720036981 · Internal Medicine Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Delwood, M.D. is a Internal Medicine Physician provider in Columbia, MO (NPI 1720036981).
Provider details
- NPI number
- 1720036981
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- R4D49 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
812 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 360 | $83 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 124 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 116 | $119 |
| Administration of Influenza Virus VaccineG0008 | 45 | $30 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 35 | $32 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 113 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 457 | 115 |
| Levothyroxine Sodium | 345 | 78 |
| Evolocumabbrand: Repatha Sureclick | 206 | 40 |
| Famotidine | 198 | 59 |
| Lisinopril | 122 | 35 |
| Tramadol Hcl | 114 | 25 |
| Pioglitazone Hcl | 108 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$9,540 across 83 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
Registry dates
- Enumerated
- 2006-05-04
- Last updated
- 2025-03-17
- Certified
- 2025-03-17
Frequently asked questions
- What is Donald Delwood's NPI number?
- Donald Delwood's National Provider Identifier (NPI) is 1720036981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Delwood's specialty?
- Donald Delwood is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Delwood located?
- Donald Delwood's practice location on file with NPPES is 401 Keene St, Columbia, MO 65201-6625.
- What is Donald Delwood's phone number?
- The practice phone number listed in the NPPES registry for Donald Delwood is (573) 876-1666.
- Does Donald Delwood accept Medicare?
- Donald Delwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Delwood's NPI active?
- Yes — Donald Delwood's NPI (1720036981) is active in the NPPES registry as of the last update on 2025-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.