Sylvia Rivera, M.D.
NPI 1932424702 · Endocrinology, Diabetes & Metabolism Physician · Santa Barbara, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Rivera, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Santa Barbara, CA (NPI 1932424702).
Provider details
- NPI number
- 1932424702
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A120799 (CA)
Specialties & taxonomies
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
81 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 | 47 | $151 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $108 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 16 | $194 |
Typical Medicare-allowed amounts for these services range $108–$194 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 52 | 20 |
| Levothyroxine Sodium | 45 | 31 |
| Metformin Hcl | 31 | 18 |
| Metformin Hclbrand: Metformin Hcl Er | 31 | 20 |
| Glipizide | 26 | 12 |
| Empagliflozinbrand: Jardiance | 25 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$442 across 6 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
Registry dates
- Enumerated
- 2010-04-05
- Last updated
- 2024-03-15
- Certified
- 2024-02-08
Frequently asked questions
- What is Sylvia Rivera's NPI number?
- Sylvia Rivera's National Provider Identifier (NPI) is 1932424702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Rivera's specialty?
- Sylvia Rivera is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Rivera located?
- Sylvia Rivera's practice location on file with NPPES is 1532 State St Fl 2, Santa Barbara, CA 93101-6509.
- What is Sylvia Rivera's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Rivera is (805) 323-9750.
- Does Sylvia Rivera accept Medicare?
- Sylvia Rivera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Rivera's NPI active?
- Yes — Sylvia Rivera's NPI (1932424702) is active in the NPPES registry as of the last update on 2024-03-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.