Rafael Sepulveda-Acosta, MD
NPI 1558611459 · Sleep Medicine (Internal Medicine) Physician · Sonoma, CA
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rafael Sepulveda-Acosta, MD is a Sleep Medicine (Internal Medicine) Physician provider in Sonoma, CA (NPI 1558611459).
Provider details
- NPI number
- 1558611459
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A150301 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,613 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 344 | $139 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 339 | $195 |
| 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'SG2211 | 302 | $17 |
| Therapy Procedure Using a Positive Pressure Ventilator94660 | 185 | $71 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 182 | $235 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Suvorexantbrand: Belsomra | 34 | — |
| Eszopiclone | 24 | 11 |
| Solriamfetol Hclbrand: Sunosi | 19 | — |
| Metformin Hcl | 17 | — |
| Tirzepatidebrand: Mounjaro | 17 | — |
| Zaleplon | 15 | — |
| Semaglutidebrand: Ozempic | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$988 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 369 Perkins StSonoma, CA 95476-6826Phone: (707) 776-6154Fax: (707) 800-0076
Registry dates
- Enumerated
- 2012-09-18
- Last updated
- 2022-11-30
- Certified
- 2022-11-30
Frequently asked questions
- What is Rafael Sepulveda-Acosta's NPI number?
- Rafael Sepulveda-Acosta's National Provider Identifier (NPI) is 1558611459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rafael Sepulveda-Acosta's specialty?
- Rafael Sepulveda-Acosta is listed in the NPPES registry with a primary specialty of Sleep Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Rafael Sepulveda-Acosta located?
- Rafael Sepulveda-Acosta's practice location on file with NPPES is 369 Perkins St, Sonoma, CA 95476-6826.
- What is Rafael Sepulveda-Acosta's phone number?
- The practice phone number listed in the NPPES registry for Rafael Sepulveda-Acosta is (707) 776-6154.
- Does Rafael Sepulveda-Acosta accept Medicare?
- Rafael Sepulveda-Acosta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rafael Sepulveda-Acosta's NPI active?
- Yes — Rafael Sepulveda-Acosta's NPI (1558611459) is active in the NPPES registry as of the last update on 2022-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.