THOMAS SIXBEY M.D.
NPI 1205987088
Psychiatry & Neurology - Psychiatry in Annapolis, MD

Active since January 16, 2007PECOS EnrolledAccepts Medicare Assignment
1997 ANNAPOLIS EXCHANGE PKWY STE 300, ANNAPOLIS, MD 21401(410) 635-1184(410) 630-8087 Get Directions Write a Review

NPPES record last updated: March 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Thomas Sixbey M.d. NPPES

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

THOMAS SIXBEY M.D. (NPI 1205987088) is an individual psychiatry provider in Annapolis, Maryland, licensed in Maryland (D0057929) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Millersville, and is a graduate of University Of Pittsburgh School Of Medicine (1997).

NPPES Registry Identity

NPI1205987088
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameTHOMAS SIXBEYCredential: M.D.
Location Address1997 ANNAPOLIS EXCHANGE PKWY STE 300Annapolis, MD 21401-3273
Mailing Address344 Thorsby RdAnnapolis, MD 21405-2012 · (443) 852-5427
Fax(410) 630-8087
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1997
Enumeration DateJanuary 16, 2007
Last NPPES UpdateMarch 27, 2026
NPPES CertifiedMarch 27, 2026
NPI 1205987088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MD · D0057929
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.
1997 ANNAPOLIS EXCHANGE PKWY STE 300, Annapolis, MD 21401

Secondary Practice Location 1

Location 18258 Veterans Hwy Ste 13Millersville, MD 21108-1564 · Phone (410) 768-6088

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

Thomas Sixbey 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.

PECOS PAC ID9830163773
PECOS Enrollment IDI20040825000653
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.

Areas of Expertise CMS Part B claims 3

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.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
61 services18 patients
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.
52 services23 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21401 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
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.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Psychologist (Clinical)
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Clinic/Center (Mental Health (Including Community Mental Health Center))
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Specialist/Technologist Cardiovascular (Sonography)
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Home Health
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Social Worker (Clinical)
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Behavior Technician
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401
Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
1997 ANNAPOLIS EXCHANGE PKWY STE 300
ANNAPOLIS, MD 21401

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 Sixbey's NPI number?

The NPI number for Thomas Sixbey is 1205987088. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Thomas Sixbey located?

Thomas Sixbey practices at 1997 Annapolis Exchange Pkwy Ste 300, Annapolis, MD 21401. The listed phone number is (410) 635-1184.

What is Thomas Sixbey's specialty?

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

Is Thomas Sixbey enrolled in Medicare?

Yes. Thomas Sixbey 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.

When was this NPI record last updated?

The NPPES record for Thomas Sixbey was last updated on March 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.