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NICHOLAS JAMES NISSEN MD
NPI 1821624818
Psychiatry & Neurology - Psychiatry in Austin, TX

Active since March 21, 2020PECOS EnrolledAccepts Medicare Assignment
3001 BEE CAVE RD STE 220, AUSTIN, TX 78746(815) 354-8932(617) 604-2403 Get Directions Write a Review

NPPES record last updated: June 27, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 27, 2024, Jun 3, 2024, Mar 21, 2020 (3 updates tracked since 2020).

About Nicholas James Nissen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NICHOLAS JAMES NISSEN MD (NPI 1821624818) is an individual psychiatry provider in Austin, Texas, licensed in Texas (U6038) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Warren Alpert Medical School Of Brown University (2020).

NPPES Registry Identity

NPI1821624818
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameNICHOLAS JAMES NISSENCredential: MD
Location Address3001 BEE CAVE RD STE 220Austin, TX 78746-5590
Mailing Address5900 Balcones Dr Ste 100Austin, TX 78731-4298 · (815) 354-8932
Phone(815) 354-8932
Fax(617) 604-2403
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2020
Enumeration DateMarch 21, 2020
Last NPPES UpdateJune 27, 20243 updates tracked since enumeration
NPPES CertifiedJune 3, 2024
✔ NPI 1821624818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in TX · U6038
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3001 BEE CAVE RD STE 220, Austin, TX 78746
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11493 Cambridge StCambridge, MA 02139-1047 · Phone (617) 665-1000
Location 22624 9th Ave SFargo, ND 58103-2350 · Phone (701) 298-4500 · Fax (701) 298-4600

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of North Dakota, Cigna Healthcare and more.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

Nicholas James Nissen Md 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.

PECOS PAC ID4880003862
PECOS Enrollment IDI20241205002031
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Nicholas Nissen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southeast Behavioral Health Clinic
1,146 mi
Rehabilitation, Substance Use Disorder
2624 9TH AVE S
Fargo, ND 58103
  • Reassigned Medicare billing, North Dakota enrollment
  • Medicare enrollment name: Southeast Human Service Center
  • 91 clinicians in this Medicare group
NPI 1932146941 (701) 298-4500

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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
75 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78746 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$174.00 typical visit price
range $57.88 – $174.00
Typical copayment $43.50 (range $14.47 – $43.50)
Most-billed visit code 99205
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Nicholas Nissen's NPI number?

The NPI number for Nicholas Nissen is 1821624818. It was assigned to this individual provider in the NPPES registry on March 21, 2020.

Where is Nicholas Nissen located?

Nicholas Nissen practices at 3001 Bee Cave Rd Ste 220, Austin, TX 78746. The listed phone number is (815) 354-8932.

What is Nicholas Nissen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Nicholas Nissen enrolled in Medicare?

Yes. Nicholas Nissen 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 organization bills Medicare for Nicholas Nissen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Nissen reassigns Medicare benefits to Southeast Behavioral Health Clinic (Fargo, ND). The 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 Nicholas Nissen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Nissen accept?

Health plans from Blue Cross Blue Shield of North Dakota, Blue Cross and Blue Shield of Texas, Cigna Healthcare and Community First list Nicholas Nissen 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 Nicholas Nissen was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.