DONALD CASSIDY PHD
NPI 1770511347
Psychologist - Clinical in Bethesda, MD
About Donald Cassidy Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD CASSIDY PHD (NPI 1770511347) is an individual clinical provider in Bethesda, Maryland, licensed in Maryland (02693) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Donald Cassidy Phd 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 Donald Cassidy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Margate City, NJ 08402
- Reassigned Medicare billing, New Jersey enrollment
- 11 clinicians in this Medicare group
Passaic, NJ 07055
- Reassigned Medicare billing, New Jersey enrollment
- 319 clinicians in this Medicare group
Paramus, NJ 07652
- Reassigned Medicare billing, New Jersey enrollment
- 116 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
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.
BETHESDA, MD 20814
BETHESDA, MD 20814
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 Donald Cassidy's NPI number?
The NPI number for Donald Cassidy is 1770511347. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is Donald Cassidy located?
Donald Cassidy practices at 6040 Southport Dr, Bethesda, MD 20814. The listed phone number is (301) 493-4200.
What is Donald Cassidy's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Donald Cassidy enrolled in Medicare?
Yes. Donald Cassidy 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 Donald Cassidy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Cassidy reassigns Medicare benefits to 3 organizations: Jewish Family Service Of Atlantic County (Margate City, NJ), Senior Care Therapy LLC (Passaic, NJ) and Nj Behavioral Health Services PC (Paramus, NJ). 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 Donald Cassidy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Cassidy accept?
Health plans from Oscar Health list Donald Cassidy 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 Donald Cassidy was last updated on July 9, 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.
# Donald Cassidy, PHD · NPI 1770511347
Clinical provider in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since June 30, 2006.
## Identity
- **NPI:** 1770511347 (Entity type: Individual)
- **Enumerated:** June 30, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 02693 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 6040 SOUTHPORT DR, Bethesda, MD 20814-1848
- **Phone:** (301) 493-4200 · **Fax:** (301) 493-6209
## 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): Jewish Family Service Of Atlantic County (NPI 1659432524, Margate City, NJ); Senior Care Therapy LLC (NPI 1285898098, Passaic, NJ); Nj Behavioral Health Services PC (NPI 1447289376, Paramus, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1989
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare ID-Type Unspecified 007799S26 (DC); Other 52473002 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1770511347) · Data from the CMS NPPES public registry.