Timothy Ryan, D.O.
NPI 1790721520 · Internal Medicine Physician · Marshall, MO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Ryan, D.O. is a Internal Medicine Physician provider in Marshall, MO (NPI 1790721520).
Provider details
- NPI number
- 1790721520
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 102684 (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
19 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
1,303 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 | 485 | $117 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 413 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 67 | $73 |
| Evaluation of Cardiac Rhythm Monitor System93291 | 50 | $43 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 41 | $122 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 277 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,148 | 235 |
| Levothyroxine Sodium | 1,087 | 196 |
| Omeprazole | 758 | 156 |
| Potassium Chloride | 718 | 149 |
| Gabapentin | 673 | 110 |
| Furosemide | 619 | 112 |
| Amlodipine Besylate | 618 | 139 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,470 across 144 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
- 2006-06-21
- Last updated
- 2024-06-07
- Certified
- 2024-06-07
Frequently asked questions
- What is Timothy Ryan's NPI number?
- Timothy Ryan's National Provider Identifier (NPI) is 1790721520, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Ryan's specialty?
- Timothy Ryan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Ryan located?
- Timothy Ryan's practice location on file with NPPES is 2303 S Highway 65, Marshall, MO 65340-3702.
- What is Timothy Ryan's phone number?
- The practice phone number listed in the NPPES registry for Timothy Ryan is (660) 886-3364.
- Does Timothy Ryan accept Medicare?
- Timothy Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Ryan's NPI active?
- Yes — Timothy Ryan's NPI (1790721520) is active in the NPPES registry as of the last update on 2024-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.