DR. JAMES JOSEPH ALONZO MD
NPI 1982676144
Obstetrics & Gynecology in Boca Raton, FL
About Dr. James Joseph Alonzo Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES JOSEPH ALONZO MD (NPI 1982676144) is an individual obstetrics & gynecology provider in Boca Raton, Florida, licensed in Florida (ME135613) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Charleston.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. James Joseph Alonzo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
8Medicare enrollment records show James Alonzo reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boca Raton, FL 33486
- Reassigned Medicare billing, Florida enrollment
- 683 clinicians in this Medicare group
Sunrise, FL 33323
- Reassigned Medicare billing, Florida enrollment
- 236 clinicians in this Medicare group
South Miami, FL 33143
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Obgyn Comprehensive Care PA
- 6 clinicians in this Medicare group
Bluffton, SC 29910
- Reassigned Medicare billing, South Carolina enrollment
- 658 clinicians in this Medicare group
Ladson, SC 29456
- Reassigned Medicare billing, South Carolina enrollment
- 296 clinicians in this Medicare group
Fort Walton Beach, FL 32547
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Diana Health Fl, PA
- 98 clinicians in this Medicare group
Columbia, SC 29229
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Kraemer Women's Care, LLC
- 26 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, South Carolina enrollment
- 190 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33496 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 James Alonzo's NPI number?
The NPI number for James Alonzo is 1982676144. It was assigned to this individual provider in the NPPES registry on February 2, 2006. The provider is also known as Dr. James Joseph Alonzo MD.
Where is James Alonzo located?
James Alonzo practices at 17582 Middle Lake Dr, Boca Raton, FL 33496. The listed phone number is (412) 953-4200.
What is James Alonzo's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is James Alonzo enrolled in Medicare?
Yes. James Alonzo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for James Alonzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Alonzo reassigns Medicare benefits to 8 organizations: Ob Hospitalist Group LLC (Boca Raton, FL), Pediatrix Medical Group Of Florida Inc (Sunrise, FL), Obgyn Comprehensive Care, P.A. (South Miami, FL), Roper Saint Francis Physicians Network (Bluffton, SC), Roper St. Francis Specialty Physicians (Ladson, SC) and 3 more organizations, listed in the Medicare section above. Each 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 James Alonzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Alonzo accept?
Health plans from AmeriHealth Caritas Next, BlueCross BlueShield of South Carolina, Cigna HealthCare of Florida, Inc., Cigna Healthcare and Florida Blue (BlueCross BlueShield FL) and 4 other insurers list James Alonzo 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 James Alonzo was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. James Joseph Alonzo, MD · NPI 1982676144
Obstetrics & Gynecology physician in Boca Raton, Florida. Individual provider, active in the CMS NPPES registry since February 2, 2006.
## Identity
- **NPI:** 1982676144 (Entity type: Individual)
- **Enumerated:** February 2, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** ME135613 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 17582 MIDDLE LAKE DR, Boca Raton, FL 33496-1028
- **Phone:** (412) 953-4200
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Ob Hospitalist Group LLC (NPI 1710647334, Boca Raton, FL); Pediatrix Medical Group Of Florida Inc (NPI 1083711790, Sunrise, FL); Obgyn Comprehensive Care, P.A. (NPI 1912392580, South Miami, FL); Roper Saint Francis Physicians Network (NPI 1780917518, Bluffton, SC); Roper St. Francis Specialty Physicians (NPI 1528945912, Ladson, SC); and 3 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 24, 2025
- **Other identifiers:** Medicaid 000998220 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1982676144) · Data from the CMS NPPES public registry.