Daniel Ryan, MD
NPI 1598393902 · Internal Medicine Physician · Clarkston, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Ryan, MD is a Internal Medicine Physician provider in Clarkston, WA (NPI 1598393902).
Provider details
- NPI number
- 1598393902
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD61463071 (WA)
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
6 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 · 145 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 559 | 144 |
| Atorvastatin Calcium | 413 | 122 |
| Amlodipine Besylate | 316 | 93 |
| Losartan Potassium | 251 | 81 |
| Gabapentin | 234 | 66 |
| Lisinopril | 223 | 67 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$99 across 5 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
- 2020-03-31
- Last updated
- 2023-09-21
- Certified
- 2023-09-21
Frequently asked questions
- What is Daniel Ryan's NPI number?
- Daniel Ryan's National Provider Identifier (NPI) is 1598393902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Ryan's specialty?
- Daniel Ryan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Ryan located?
- Daniel Ryan's practice location on file with NPPES is 1119 Highland Ave, Clarkston, WA 99403-2836.
- What is Daniel Ryan's phone number?
- The practice phone number listed in the NPPES registry for Daniel Ryan is (509) 758-4450.
- Does Daniel Ryan accept Medicare?
- Daniel Ryan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Ryan's NPI active?
- Yes — Daniel Ryan's NPI (1598393902) is active in the NPPES registry as of the last update on 2023-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.