Mark Luoto, MD
NPI 1932158854 · Emergency Medicine Physician · Watsonville, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Luoto, MD is a Emergency Medicine Physician provider in Watsonville, CA (NPI 1932158854).
Provider details
- NPI number
- 1932158854
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G42040 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 24 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 20 | 20 |
| Cefuroxime Axetilbrand: Cefuroxime | 18 | 18 |
| Prednisone | 16 | 16 |
| Cefadroxil | 15 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 13 | 13 |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Additional practice locations (1)
- 1212 S Main StSalinas, CA 93901-2260Phone: (831) 422-7777
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2022-09-16
- Certified
- 2022-09-16
Frequently asked questions
- What is Mark Luoto's NPI number?
- Mark Luoto's National Provider Identifier (NPI) is 1932158854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Luoto's specialty?
- Mark Luoto is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Luoto located?
- Mark Luoto's practice location on file with NPPES is 1505 Main St, Watsonville, CA 95076-3761.
- What is Mark Luoto's phone number?
- The practice phone number listed in the NPPES registry for Mark Luoto is (831) 722-1444.
- Does Mark Luoto accept Medicare?
- Mark Luoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Luoto's NPI active?
- Yes — Mark Luoto's NPI (1932158854) is active in the NPPES registry as of the last update on 2022-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.