Nastassia Cassandra Sylvestre, MD

Internal Medicine

Nastassia Cassandra Sylvestre is an Internal Medicine specialist based in Santa Barbara, CA with over 11 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(805) 682-7111Santa Barbara, CA
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Nastassia Cassandra Sylvestre, MD has been part of the Santa Barbara medical community since 2015 in group practice. A University of Michigan Medical School graduate since 2015, she brings 11+ years of experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 94.1/100 (2023).

At a glance

  • Federal MIPS score higher than 79% of MIPS-scored doctors in California
  • Virtual visits available — no app or travel required
1 of 3,565 Internal Medicine providers in CASee all Internal Medicine in Santa Barbara11+ years experienceNPI since 2015

Older · 519dNPPES updated 2024-12-20 · verify NPI on CMS · Verify license at Medical Board of California

Contact & Location

Practice Location

400 W Pueblo St, Santa Barbara, CA 93105-4353

Fax: (805) 749-2961
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor scores better than 79% of doctors in California on federal quality measures.

MIPS Score

2023

94.1/100

California avg: 78.6 · US avg: 83.6

Higher than most doctors nationally(+10.5 pts)

Better than 79% of MIPS-scored doctors in California

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Medicare Patients

53

Unique beneficiaries

Standard volume

Prescription Recipients

77

Patients prescribed

Prescriptions Written

608

Total claims

Total Medicare drug cost: $46k

Percentile rankings compared against 9,360 reporting peers in California.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.

High Cholesterol
Higher than avg (+2%)72%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+2%) — a focus area for this doctor

Hypertension
Lower than avg (-2%)68%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-2%) — less common here

Arthritis
Lower than avg (-13%)36%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-13%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

Patient Reviews

No patient reviews yet. If you've seen Nastassia Cassandra Sylvestre, your feedback helps other patients.

Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →

Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 2015

    University of Michigan Medical School

  2. Board certified · Dec 19, 2024

    Self-reported via NPPES

  3. 11 years in practice

    Established

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

University of Michigan Medical School (Class of 2015)

Practice Footprint

Mailing address

Po Box 689, Santa Barbara, CA 93102-0689

Differs from practice location

Primary hospital affiliation: Psychiatric

CMS Certification Number: 194106

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Nastassia Cassandra Sylvestre

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Nastassia Cassandra Sylvestre for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Santa Barbara required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Nastassia Cassandra Sylvestre

Dr. Sylvestre is listed as active in the NPI registry with telehealth listed in Santa Barbara, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (805) 682-7111.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

Is this your profile?

Verify credentials, update practice details, and manage telehealth.

Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

Related Providers

Internal Medicine in California

See all