Calvin Ruiz, MD
NPI 1780188755 · Family Medicine Physician · Redding, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Ruiz, MD is a Family Medicine Physician provider in Redding, CA (NPI 1780188755).
Provider details
- NPI number
- 1780188755
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- E-12957 (AR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
30 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 17 | $77 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $80 |
Typical Medicare-allowed amounts for these services range $77–$80 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
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 |
|---|---|---|
| Levothyroxine Sodium | 200 | 40 |
| Atorvastatin Calcium | 183 | 59 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 164 | 38 |
| Gabapentin | 140 | 35 |
| Omeprazole | 129 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 123 | 36 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-22
- Last updated
- 2021-08-04
- Certified
- 2021-08-04
Frequently asked questions
- What is Calvin Ruiz's NPI number?
- Calvin Ruiz's National Provider Identifier (NPI) is 1780188755, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Ruiz's specialty?
- Calvin Ruiz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Ruiz located?
- Calvin Ruiz's practice location on file with NPPES is 1035 Placer St # Ca, Redding, CA 96001-1170.
- What is Calvin Ruiz's phone number?
- The practice phone number listed in the NPPES registry for Calvin Ruiz is (530) 246-5710.
- Does Calvin Ruiz accept Medicare?
- Calvin Ruiz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Ruiz's NPI active?
- Yes — Calvin Ruiz's NPI (1780188755) is active in the NPPES registry as of the last update on 2021-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.