Ryan Smith, M.D.
NPI 1639197452 · Cardiovascular Disease Physician · Grass Valley, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Smith, M.D. is a Cardiovascular Disease Physician provider in Grass Valley, CA (NPI 1639197452).
Provider details
- NPI number
- 1639197452
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A74197 (CA)
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
4,259 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 | 448 | $136 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 433 | $71 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 418 | $15 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 411 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 378 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 57 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 583 | 196 |
| Apixabanbrand: Eliquis | 425 | 113 |
| Spironolactone | 338 | 117 |
| Losartan Potassium | 308 | 107 |
| Amlodipine Besylate | 283 | 98 |
| Atorvastatin Calcium | 261 | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$568 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
Registry dates
- Enumerated
- 2006-07-18
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Ryan Smith's NPI number?
- Ryan Smith's National Provider Identifier (NPI) is 1639197452, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Smith's specialty?
- Ryan Smith is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Smith located?
- Ryan Smith's practice location on file with NPPES is 150 Catherine Ln Ste J, Grass Valley, CA 95945-5719.
- What is Ryan Smith's phone number?
- The practice phone number listed in the NPPES registry for Ryan Smith is (530) 477-8358.
- Does Ryan Smith accept Medicare?
- Ryan Smith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Smith's NPI active?
- Yes — Ryan Smith's NPI (1639197452) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.