DR. JOAN CATHERINE GUEVARRA M.D.
NPI 1740476399
General Practice in Nesconset, NY
About Dr. Joan Catherine Guevarra M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOAN CATHERINE GUEVARRA M.D. (NPI 1740476399) is an individual general practice provider in Nesconset, New York, licensed in New York (244374-1) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, is affiliated with Samaritan Medical Center, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Joan Catherine Guevarra M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Joan Guevarra reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85254
- Reassigned Medicare billing, New York enrollment
- 354 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Samaritan Medical Center
Acute Care Hospitals · Watertown, NYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NESCONSET, NY 11767
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 Joan Guevarra's NPI number?
The NPI number for Joan Guevarra is 1740476399. It was assigned to this individual provider in the NPPES registry on September 18, 2007.
Where is Joan Guevarra located?
Joan Guevarra practices at 59A Nichols Rd, Nesconset, NY 11767. The listed phone number is (631) 656-6940.
What is Joan Guevarra's specialty?
The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.
Is Joan Guevarra enrolled in Medicare?
Yes. Joan Guevarra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Joan Guevarra's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joan Guevarra reassigns Medicare benefits to Apogee Medical Group, New York, PC (Scottsdale, AZ). The 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 Joan Guevarra's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Joan Guevarra affiliated with any hospitals?
According to CMS data, Joan Guevarra is affiliated with Samaritan Medical Center.
When was this NPI record last updated?
The NPPES record for Joan Guevarra was last updated on September 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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. Joan Catherine Guevarra, M.D. · NPI 1740476399
General Practice physician in Nesconset, New York. Individual provider, active in the CMS NPPES registry since September 18, 2007.
## Identity
- **NPI:** 1740476399 (Entity type: Individual)
- **Enumerated:** September 18, 2007
- **Primary specialty:** General Practice · taxonomy 208D00000X
- **State license:** 244374-1 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 59A NICHOLS RD, Nesconset, NY 11767-2093
- **Phone:** (631) 656-6940
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Apogee Medical Group, New York, PC (NPI 1841520236, Scottsdale, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1996
## Record status
- **NPPES last updated:** September 18, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1740476399) · Data from the CMS NPPES public registry.