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SYNERGY RHEUMATOLOGY PC
NPI 1124893201
Internal Medicine - Rheumatology in Carlsbad, CA

Active since November 20, 2023
6120 PASEO DEL NORTE STE L2, CARLSBAD, CA 92011(760) 891-4687(760) 914-9990 Get Directions Write a Review

NPPES record last updated: January 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 18, 2026, Dec 4, 2024, Dec 15, 2023 and 1 more (4 updates tracked since 2023).

About Synergy Rheumatology Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SYNERGY RHEUMATOLOGY PC (NPI 1124893201) is a healthcare organization registered as a rheumatology in Carlsbad, California and active in the NPI registry since November 2023. The organization lists Zachary Thomas Fellows, Ceo, as its authorized official.

NPPES Registry Identity

NPI1124893201
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameSYNERGY RHEUMATOLOGY PC
Location Address6120 PASEO DEL NORTE STE L2Carlsbad, CA 92011-1149
Mailing Address6120 Paseo Del Norte Ste L2Carlsbad, CA 92011-1149 · (760) 891-4687 · Fax (760) 684-8715
Phone(760) 891-4687
Fax(760) 914-9990
Organization SubpartNo
Authorized OfficialZachary Thomas FellowsCeo · (760) 891-4687
Enumeration DateNovember 20, 2023
Last NPPES UpdateJanuary 18, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 18, 2026
✔ NPI 1124893201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
6120 PASEO DEL NORTE STE L2, Carlsbad, CA 92011
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Synergy Rheumatology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Synergy Rheumatology PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Zachary Fellows, M.D.
Rheumatology
NPI 1154733152
6120 PASEO DEL NORTE STE L2
Carlsbad, CA 92011
(760) 891-4687
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Synergy Rheumatology PC's NPI number?

The NPI number for Synergy Rheumatology PC is 1124893201. It was assigned to this organization in the NPPES registry on November 20, 2023.

Where is Synergy Rheumatology PC located?

Synergy Rheumatology PC is located at 6120 Paseo Del Norte Ste L2, Carlsbad, CA 92011. The listed phone number is (760) 891-4687.

What is Synergy Rheumatology PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Synergy Rheumatology PC enrolled in Medicare?

Yes. Synergy Rheumatology PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Synergy Rheumatology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Rheumatology) reassigns their Medicare billing to Synergy Rheumatology PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Synergy Rheumatology PC accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 28 other insurers list Synergy Rheumatology PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Synergy Rheumatology PC was last updated on January 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.