JOEL HARRY HASSMAN M.D.
NPI 1669433777
Psychiatry & Neurology - Psychiatry in Millersville, MD
About Joel Harry Hassman M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOEL HARRY HASSMAN M.D. (NPI 1669433777) is an individual psychiatry provider in Millersville, Maryland, licensed in Maryland (D0040942) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Joel Harry Hassman 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21108 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.
MILLERSVILLE, MD 21108
MILLERSVILLE, MD 21108
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 Joel Hassman's NPI number?
The NPI number for Joel Hassman is 1669433777. It was assigned to this individual provider in the NPPES registry on March 29, 2006.
Where is Joel Hassman located?
Joel Hassman practices at 8258 Veterans Hwy Ste 13, Millersville, MD 21108. The listed phone number is (410) 757-2077.
What is Joel Hassman's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Joel Hassman enrolled in Medicare?
Yes. Joel Hassman 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.
What insurance does Joel Hassman accept?
Health plans from Providence Health Plan list Joel Hassman 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 Joel Hassman was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Joel Harry Hassman, M.D. · NPI 1669433777
Psychiatry physician in Millersville, Maryland. Individual provider, active in the CMS NPPES registry since March 29, 2006.
## Identity
- **NPI:** 1669433777 (Entity type: Individual)
- **Enumerated:** March 29, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** D0040942 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8258 VETERANS HWY STE 13, Millersville, MD 21108-1564
- **Phone:** (410) 757-2077
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for durable medical equipment, power mobility devices
- **Medical school:** University Of Maryland School Of Medicine, class of 1989
## Record status
- **NPPES last updated:** June 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1669433777) · Data from the CMS NPPES public registry.