DR. CORNELIUS HUGO NAU JR. M.D.
NPI 1457442196
Psychiatry & Neurology - Psychiatry in San Antonio, TX

Active since September 27, 2006PECOS Enrolled
2020 BABCOCK RD STE 19, SAN ANTONIO, TX 78229(210) 761-9001(210) 568-6427 Get Directions Write a Review

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

About Dr. Cornelius Hugo Nau Jr. M.d. NPPES

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

DR. CORNELIUS HUGO NAU JR. M.D. (NPI 1457442196) is an individual psychiatry provider in San Antonio, Texas, licensed in Texas (G2794) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457442196
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. CORNELIUS HUGO NAU JR.Credential: M.D.
Location Address2020 BABCOCK RD STE 19San Antonio, TX 78229-4437
Mailing Address147 W. Sunset Rd., Ste 101San Antonio, TX 78209-2632 · (210) 824-4888 · Fax (210) 828-2873
Fax(210) 568-6427
Sole ProprietorYes
Enumeration DateSeptember 27, 2006
Last NPPES UpdateMay 27, 2026
NPPES CertifiedMay 27, 2026
NPI 1457442196 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 TX · G2794
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.
2020 BABCOCK RD STE 19, San Antonio, TX 78229

Other Identifiers 1

Medicaid11539493-03TX

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 (PECOS)

Dr. Cornelius Hugo Nau Jr. M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$166.88 typical visit price
range $54.84 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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 2

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

Internal Medicine
2020 BABCOCK RD STE 19
SAN ANTONIO, TX 78229
Nurse Practitioner (Psychiatric/Mental Health)
2020 BABCOCK RD STE 19
SAN ANTONIO, TX 78229

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 Cornelius Nau's NPI number?

The NPI number for Cornelius Nau is 1457442196. It was assigned to this individual provider in the NPPES registry on September 27, 2006.

Where is Cornelius Nau located?

Cornelius Nau practices at 2020 Babcock Rd Ste 19, San Antonio, TX 78229. The listed phone number is (210) 761-9001.

What is Cornelius Nau's specialty?

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

Is Cornelius Nau enrolled in Medicare?

Yes. Cornelius Nau is registered in the Medicare PECOS enrollment system.

What insurance does Cornelius Nau accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, UnitedHealthcare and WellPoint list Cornelius Nau 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 Cornelius Nau was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.