MR. FRANK JOHN GUASTELLA I LCSW
NPI 1912445792
Social Worker - Clinical in Riverhead, NY
About Mr. Frank John Guastella I Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. FRANK JOHN GUASTELLA I LCSW (NPI 1912445792) is an individual clinical provider in Riverhead, New York, licensed in New York (090429-01) and active in the NPI registry since February 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stony Brook, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 and accepts Medicare assignment
Mr. Frank John Guastella I Lcsw 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
3Medicare enrollment records show Frank Guastella reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntington, NY 11743
- Reassigned Medicare billing, New York enrollment
- 122 clinicians in this Medicare group
Hoboken, NJ 07030
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: Aldad Medical Nj PC
- 28 clinicians in this Medicare group
Ann Arbor, MI 48104
- Reassigned Medicare billing, Connecticut and New York enrollments
- 15 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 11901 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.
RIVERHEAD, NY 11901
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 Frank Guastella's NPI number?
The NPI number for Frank Guastella is 1912445792. It was assigned to this individual provider in the NPPES registry on February 1, 2017.
Where is Frank Guastella located?
Frank Guastella practices at 400 W Main St, Riverhead, NY 11901. The listed phone number is (631) 508-5006.
What is Frank Guastella's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Frank Guastella enrolled in Medicare?
Yes. Frank Guastella 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 Frank Guastella's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Guastella reassigns Medicare benefits to 3 organizations: Family Service League, Inc. (Huntington, NY), Aldad Medical Nj, P.C (Hoboken, NJ) and Aldad Medical PC (Ann Arbor, MI). 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 Frank Guastella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frank Guastella accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield and Oscar Health list Frank Guastella 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 Frank Guastella was last updated on November 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mr. Frank John Guastella I, LCSW · NPI 1912445792
Clinical provider in Riverhead, New York. Individual provider, active in the CMS NPPES registry since February 1, 2017.
## Identity
- **NPI:** 1912445792 (Entity type: Individual)
- **Enumerated:** February 1, 2017
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 090429-01 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 W MAIN ST, Riverhead, NY 11901-2813
- **Phone:** (631) 508-5006 · **Fax:** (631) 369-5433
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Family Service League, Inc. (NPI 1528093242, Huntington, NY); Aldad Medical Nj, P.C (NPI 1386238707, Hoboken, NJ); Aldad Medical PC (NPI 1174784953, Ann Arbor, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** November 23, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912445792) · Data from the CMS NPPES public registry.