RICHARD D MAU M.D.
NPI 1073600433
Internal Medicine - Cardiovascular Disease in Nacogdoches, TX

NPI Status: Active since October 06, 2006

Contact Information

1004 N MOUND ST
NACOGDOCHES, TX
ZIP 75961
Phone: (936) 559-0711
Fax: (936) 559-0732

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease
  • CLIA Number: 45D2167223
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 06-03-2027

About RICHARD MAU

This page provides the complete NPI Profile along with additional information for Richard Mau, an internist established in Nacogdoches, Texas with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1073600433 assigned on October 2006. The practitioner's primary taxonomy code is 207RC0000X with license number K4144 (TX). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1073600433
Provider Name
RICHARD D MAU M.D.
Gender
Male
Entity Type
Individual
Location Address
1004 N MOUND ST NACOGDOCHES, TX 75961
Location Phone
(936) 559-0711
Location Fax
(936) 559-0732
Mailing Address
1004 N MOUND ST NACOGDOCHES, TX 75961
Mailing Phone
(936) 559-0711
Mailing Fax
(936) 559-0732
Is Sole Proprietor?
Yes
Enumeration Date
10-06-2006
Last Update Date
06-06-2008
Code Navigator

An internist like Richard Mau is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
K4144
License State
TX
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
A32098MEDICARE UPIN (02)TX 
0062BXMEDICARE PIN (08)TX 
2132098OTHER (01)TXBLUE LINK ID
752729878OTHER (01)TXTAX ID
0307589MEDICAID (05)TX 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
45D2167223
Facility Type
Physician Office
Certificate Effective Date
June 04, 2025
Certificate Expiration Date
June 03, 2027
Laboratory Director
RICHARD L. BAKER
Certificate Type
Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description
This CLIA certificate is issued to Richard Mau in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1073600433, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 6 → 12 → 3 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 4 + 3 + 1 + 2 + 0 + 0 + 4 + 6 + 24 = 47

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1073600433.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
1004 N MOUND ST
NACOGDOCHES, TX 75961

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1073600433, enumerated as an "individual" on October 06, 2006.

The provider is located at 1004 N MOUND ST NACOGDOCHES, TX 75961 and the phone number is (936) 559-0711.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.