JOHN F ZWETCHKENBAUM M.D.
NPI 1124027552
Allergy & Immunology - Allergy in Providence, RI
About John F Zwetchkenbaum M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN F ZWETCHKENBAUM M.D. (NPI 1124027552) is an individual allergy provider in Providence, Rhode Island, licensed in Rhode Island (MD07704) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Kent County Memorial Hospital, and is a graduate of Boston University School Of Medicine (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
John F Zwetchkenbaum 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 John Zwetchkenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Warwick, RI 02886
- Reassigned Medicare billing, Rhode Island enrollment
- 2 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 12
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kent County Memorial Hospital
Acute Care Hospitals · Warwick, RIThe Miriam Hospital
Acute Care Hospitals · Providence, RIMedicare 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Zwetchkenbaum's NPI number?
The NPI number for John Zwetchkenbaum is 1124027552. It was assigned to this individual provider in the NPPES registry on July 18, 2005.
Where is John Zwetchkenbaum located?
John Zwetchkenbaum practices at 1056 Hope St, Providence, RI 02906. The listed phone number is (401) 751-1235.
What is John Zwetchkenbaum's specialty?
The primary specialty registered for this NPI is Allergy & Immunology, specializing in Allergy, with taxonomy code 207KA0200X.
Is John Zwetchkenbaum enrolled in Medicare?
Yes. John Zwetchkenbaum 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 John Zwetchkenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Zwetchkenbaum reassigns Medicare benefits to Asthma & Allergy Physicians Of Rhode Island Inc (Warwick, RI). 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 John Zwetchkenbaum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Zwetchkenbaum affiliated with any hospitals?
According to CMS data, John Zwetchkenbaum is affiliated with Kent County Memorial Hospital and The Miriam Hospital.
When was this NPI record last updated?
The NPPES record for John Zwetchkenbaum was last updated on February 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.