Robert Mathis, M.D.
NPI 1487865671 · Adult Medicine Physician · Santa Barbara, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mathis, M.D. is a Adult Medicine Physician provider in Santa Barbara, CA (NPI 1487865671).
Provider details
- NPI number
- 1487865671
- Entity type
- Individual
- Primary specialty
- Adult Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A46123 (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
19 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Liothyronine Sodium | 127 | 26 |
| Levothyroxine Sodium | 70 | 13 |
| Hydrocortisone | 35 | — |
| Testosterone Cypionate | 27 | — |
| Azithromycin | 26 | 19 |
| Thyroid,porkbrand: NP Thyroid | 23 | — |
| Estradiolbrand: Dotti | 21 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-27
- Last updated
- 2007-07-09
Frequently asked questions
- What is Robert Mathis's NPI number?
- Robert Mathis's National Provider Identifier (NPI) is 1487865671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mathis's specialty?
- Robert Mathis is listed in the NPPES registry with a primary specialty of Adult Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mathis located?
- Robert Mathis's practice location on file with NPPES is 1625 State St, Santa Barbara, CA 93101-2539.
- What is Robert Mathis's phone number?
- The practice phone number listed in the NPPES registry for Robert Mathis is (805) 569-7100.
- Does Robert Mathis accept Medicare?
- Robert Mathis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mathis's NPI active?
- Yes — Robert Mathis's NPI (1487865671) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.