Curtis Buck, D.O.
NPI 1245522440 · Family Medicine Physician · San Marcos, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Curtis Buck, D.O. is a Family Medicine Physician provider in San Marcos, CA (NPI 1245522440).
Provider details
- NPI number
- 1245522440
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 20A12645 (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
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 102 | 101 |
| Prednisone | 46 | 44 |
| Cefadroxil | 46 | 46 |
| Meloxicam | 43 | 42 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 39 | 39 |
| Cefpodoxime Proxetil | 39 | 37 |
| Mupirocin | 33 | 33 |
| Nitrofurantoin Monohyd/M-Cryst |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-05
- Last updated
- 2021-11-29
Frequently asked questions
- What is Curtis Buck's NPI number?
- Curtis Buck's National Provider Identifier (NPI) is 1245522440, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Curtis Buck's specialty?
- Curtis Buck is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Curtis Buck located?
- Curtis Buck's practice location on file with NPPES is 400 Craven Rd, San Marcos, CA 92078-4201.
- What is Curtis Buck's phone number?
- The practice phone number listed in the NPPES registry for Curtis Buck is (800) 290-5000.
- Does Curtis Buck accept Medicare?
- Curtis Buck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Curtis Buck's NPI active?
- Yes — Curtis Buck's NPI (1245522440) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.