David Knorr, D.O.
NPI 1255310850 · Family Medicine Physician · Palmyra, MO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Knorr, D.O. is a Family Medicine Physician provider in Palmyra, MO (NPI 1255310850).
Provider details
- NPI number
- 1255310850
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 2001001473 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 178 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 543 | 85 |
| Lisinopril | 510 | 114 |
| Atorvastatin Calcium | 490 | 100 |
| Amlodipine Besylate | 386 | 96 |
| Metoprolol Succinate | 372 | 70 |
| Levothyroxine Sodium | 353 | 67 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$933 across 60 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
- 2006-01-11
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is David Knorr's NPI number?
- David Knorr's National Provider Identifier (NPI) is 1255310850, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Knorr's specialty?
- David Knorr is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Knorr located?
- David Knorr's practice location on file with NPPES is 1811 S Main St, Palmyra, MO 63461-1961.
- What is David Knorr's phone number?
- The practice phone number listed in the NPPES registry for David Knorr is (573) 769-2231.
- Does David Knorr accept Medicare?
- David Knorr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Knorr's NPI active?
- Yes — David Knorr's NPI (1255310850) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.