THOMAS JOSEPH HIRSCHAUER M.D.
NPI 1679004006
Psychiatry & Neurology - Neurology in Potomac, MD
About Thomas Joseph Hirschauer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS JOSEPH HIRSCHAUER M.D. (NPI 1679004006) is an individual neurology provider in Potomac, Maryland, licensed in California (A162104) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with North Shore University Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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
Thomas Joseph Hirschauer 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
11Medicare enrollment records show Thomas Hirschauer reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Conshohocken, PA 19428
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Bruin Neurophysiology PC
Conshohocken, PA 19428
- Reassigned Medicare billing, District of Columbia enrollment
Conshohocken, PA 19428
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Yankee Neurophysiology PC
Iselin, NJ 08830
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Tiger Neurophysiology PC
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 59 clinicians in this Medicare group
Mason, OH 45040
- Reassigned Medicare billing, District of Columbia enrollment
Brentwood, TN 37027
- Reassigned Medicare billing, District of Columbia and Tennessee enrollments
Oklahoma City, OK 73114
- Reassigned Medicare billing, District of Columbia enrollment
Plano, TX 75024
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Longhorn Neurophysiology PA
San Antonio, TX 78248
- Reassigned Medicare billing, Colorado enrollment
- 3 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 16
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore University Hospital
Acute Care Hospitals · Manhasset, NYHospital For Special Surgery
Acute Care Hospitals · New York, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYMiami Valley Hospital
Acute Care Hospitals · Dayton, OHGood Samaritan Hospital
Acute Care Hospitals · Cincinnati, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20854 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Thomas Hirschauer's NPI number?
The NPI number for Thomas Hirschauer is 1679004006. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Thomas Hirschauer located?
Thomas Hirschauer practices at 11009 Larkmeade Ln, Potomac, MD 20854. The listed phone number is (484) 351-8459.
What is Thomas Hirschauer's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Thomas Hirschauer enrolled in Medicare?
Yes. Thomas Hirschauer 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 Thomas Hirschauer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Hirschauer reassigns Medicare benefits to 11 organizations: Bruin Neurophysiology, P.C. (Conshohocken, PA), Wildcat Neurophysiology, PC (Conshohocken, PA), Yankee Neurophysiology, P.C. (Conshohocken, PA), Tiger Neurophysiology, P.C. (Iselin, NJ), Neurology Associates Of Stony Brook, University Faculty Practice Corpo (Stony Brook, NY) and 6 more organizations, listed in the Medicare section above. 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 Thomas Hirschauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Hirschauer accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Thomas Hirschauer 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.
Is Thomas Hirschauer affiliated with any hospitals?
According to CMS data, Thomas Hirschauer is affiliated with North Shore University Hospital, Hospital For Special Surgery, Suny/Stony Brook University Hospital, Miami Valley Hospital and Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Thomas Hirschauer was last updated on March 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Thomas Joseph Hirschauer, M.D. · NPI 1679004006
Neurology physician in Potomac, Maryland. Individual provider, active in the CMS NPPES registry since March 27, 2017.
## Identity
- **NPI:** 1679004006 (Entity type: Individual)
- **Enumerated:** March 27, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** A162104 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11009 LARKMEADE LN, Potomac, MD 20854-2781
- **Phone:** (484) 351-8459 · **Fax:** (484) 351-8810
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Bruin Neurophysiology, P.C. (NPI 1710364112, Conshohocken, PA); Wildcat Neurophysiology, PC (NPI 1073026993, Conshohocken, PA); Yankee Neurophysiology, P.C. (NPI 1407192594, Conshohocken, PA); Tiger Neurophysiology, P.C. (NPI 1265778237, Iselin, NJ); Neurology Associates Of Stony Brook, University Faculty Practice Corpo (NPI 1699720888, Stony Brook, NY); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Ohio State University College Of Medicine, class of 2017
## Record status
- **NPPES last updated:** March 31, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1679004006) · Data from the CMS NPPES public registry.