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About

Synergy Rheumatology and Wellness is a privately held medical practice based in Carlsbad, CA, led by Zachary Fellows, MD (Rheumatologist/Owner). Services offered include on-site biologic infusions, diagnostic ultrasound, obesity medicine, and clinical research. The practice operates with a small team (1 employee) and maintains an online presence at synergyrheum.com. Key details: - Owner/Lead: Zachary Fellows, MD - Location: Carlsbad, California - Services: Rheumatology, on-site biologic infusions, diagnostic ultrasound, obesity medicine, clinical research - LinkedIn: active company page (6 followers) - Contact: phone numbers (760) 684-8715 and (760) 891-4687 Note: The available data indicates a small practice with a niche focus in rheumatology and related services.

Clinic Type

Rheumatology

Address

6120 Paseo Del Norte, Ste L2, Carlsbad, CA 92011

Phone

760-891-4687

Email

—

Opening Hours

Mon-Fri unknown hours

Telehealth

Not specified

Emergency Care

Not specified

Services Offered

  • Infusion Center
  • Diagnostic Ultrasound
  • Obesity Medicine
  • Clinical Research
  • Unhurried Appointments
  • Coordination Without the System

Technology & Equipment

  • RhMSUS-certified musculoskeletal ultrasound
  • Mindray MX7
  • On-site infusion center technology

Team

  • Zachary Fellows, MD, Board-certified in Rheumatology and Internal Medicine; California Rheumatology Alliance Board Member; UCSD Clinical Integration Network affiliated; RhMSUS-certified musculoskeletal ultrasound; on-site clinical research principal investigator — Board-Certified Rheumatologist

Insurance & Payment

  • All major PPO plans
  • Tricare
  • select HMO plans including Greater Tri-Cities IPA, Sharp Community Medical Group, and UCSD PHSO
  • Most Medicare Advantage PPO plans accepted

Copays, estimated coinsurance, and deductible amounts are collected at check-in based on information provided directly by your insurance plan. If the estimate differs from the final processed amount, we'll issue a statement or apply a credit to your account — no surprise bills after the fact.

Copays at check-in, insurance-based payments, credit/debit as applicable per insurance, private payment at time of service (not explicitly listed, inferred)

Languages Spoken

  • English

FAQs

What services does Synergy Rheumatology offer?

Academic-caliber rheumatology with on-site biologic infusions, in-office diagnostic ultrasound, and active clinical research.

Do you accept records from other institutions?

Your rheumatologist coordinates with PCPs, specialists, and labs; records from Scripps, Sharp, and UCSD are accessible from day one.

Who is the physician?

Zachary Fellows, MD, Board-Certified Rheumatologist.

What are the credentials of the physician?

Board-certified in Rheumatology and Internal Medicine; California Rheumatology Alliance Board Member; UCSD CIN affiliated; RhMSUS-certified musculoskeletal ultrasound; on-site clinical research principal investigator.

How can I schedule an appointment?

Schedule an appointment or call for an introductory phone consultation.

What insurance plans are accepted?

We accept all major PPO plans, Tricare, select HMO plans including Greater Tri-Cities IPA, Sharp Community Medical Group, and UCSD PHSO; most Medicare Advantage PPO plans accepted.

Awards & Accreditations

  • Not specified

Photos

What Patients Say

Overall sentiment across review platforms: very positive

  • Sharecare: 5.0/5.0 (2 verified ratings)

Patients praise

  • Thorough and attentive care
  • Excellent listener who takes time with patients
  • Knowledgeable and expert approach
  • Warm and professional staff
  • Efficient office and helpful patient portal

Common complaints

  • No significant negative themes or complaints identified in available public reviews.

"He's truly like your 'old-fashioned' doctors, who take as much time as needed. He's highly informed and knowledgeable."

— Sharecare patient review (June 2024)

"Dr. Fellows is the most thorough and knowledgeable rheumatologist I have ever seen. He takes the time to explain everything and genuinely cares about finding the right treatment plan."

— Synergy Rheumatology & Wellness practice website (Curated Google Review)

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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