DR. JOHN LESLIE FRATTARELLI M.D.
NPI 1356323091
Obstetrics & Gynecology - Reproductive Endocrinology in Kailua, HI
About Dr. John Leslie Frattarelli M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN LESLIE FRATTARELLI M.D. (NPI 1356323091) is an individual reproductive endocrinology provider in Kailua, Hawaii, licensed in Hawaii (11090) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Tennessee, Hsc, College Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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. John Leslie Frattarelli 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 Reassignments
2Medicare enrollment records show John Frattarelli reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Honolulu, HI 96814
- Reassigned Medicare billing, Hawaii enrollment
- 3 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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 96734 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
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 Frattarelli's NPI number?
The NPI number for John Frattarelli is 1356323091. It was assigned to this individual provider in the NPPES registry on November 17, 2005.
Where is John Frattarelli located?
John Frattarelli practices at 407 Uluniu St Suite 312, Kailua, HI 96734. The listed phone number is (808) 262-0544.
What is John Frattarelli's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.
Is John Frattarelli enrolled in Medicare?
Yes. John Frattarelli 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 organizations bill Medicare for John Frattarelli's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Frattarelli reassigns Medicare benefits to 2 organizations: Advanced Reproductive Medicine And Gynecology Of Hawaii, Inc. (Honolulu, HI) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 John Frattarelli's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Frattarelli accept?
Health plans from HMSA list John Frattarelli 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 John Frattarelli was last updated on December 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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. John Leslie Frattarelli, M.D. · NPI 1356323091
Reproductive Endocrinology physician in Kailua, Hawaii. Individual provider, active in the CMS NPPES registry since November 17, 2005.
## Identity
- **NPI:** 1356323091 (Entity type: Individual)
- **Enumerated:** November 17, 2005
- **Primary specialty:** Obstetrics & Gynecology - Reproductive Endocrinology · taxonomy 207VE0102X
- **State license:** 11090 (Hawaii)
- **Sole proprietor:** No
## Practice location
- **Address:** 407 ULUNIU ST, SUITE 312, Kailua, HI 96734-2519
- **Phone:** (808) 262-0544 · **Fax:** (808) 262-3744
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Advanced Reproductive Medicine And Gynecology Of Hawaii, Inc. (NPI 1639327869, Honolulu, HI); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Tennessee, Hsc, College Of Medicine, class of 1993
## Record status
- **NPPES last updated:** December 16, 2008
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Source: [NPI Profile](https://npiprofile.com/npi/1356323091) · Data from the CMS NPPES public registry.