Quick answers
- Does Matthew R. Miller accept Medicare assignment?
- Medicare's clinician data says Matthew R. Miller may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Matthew R. Miller see?
- In 2024, CMS data shows 524 Original Medicare patients and 721 services for Matthew R. Miller. This counts Original Medicare only and measures volume, not quality.
- What is Matthew R. Miller's NPI number?
- 1598386385. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Matthew R. Miller, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 524 |
|---|---|
| Services billed to Medicare | 721 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)452 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)162 services
- Online digital evaluation and management service provided by nonphysician professional for up to 7 days, total time 11-20 minutes (98971)28 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)18 services
- Online digital evaluation and management service provided by nonphysician professional for up to 7 days, total time 5-10 minutes (98970)16 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation58%
- Arthritis53%
- Ischemic heart disease49%
- Heart failure41%
Hospitals where Matthew R. Miller works
Medicare's Facility Affiliation Data lists Matthew R. Miller at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Santa Barbara Cottage HospitalSanta Barbara, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050396
Practice locations
Addresses where Matthew R. Miller is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 W Arrellaga St, Suite BSanta Barbara, CA 93101 (805) 568‑0799
- 1051 Las Tablas RdTempleton, CA 93465
- 924 Anacapa St, Suite 3aSanta Barbara, CA 93101 (805) 699‑5838
Group practices
Medicare enrollment lists Matthew R. Miller as a member of these groups (CMS data updated October 2, 2026).
- David B. Hammer123 clinicians in the group
- Riviera Health Group4 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Santa Barbara
Clinicians with the same Medicare primary specialty in Santa Barbara, CA — not a recommendation.
Other clinicians in David B. Hammer
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1598386385 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians