Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Marshall B Lucas, MD

Psychiatry Physician in The Woodlands, TX · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700970282

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Registry record

Entity type Individual (Type 1)

Name Dr. Marshall B Lucas

Credential MD

Sex Male

Practice address The Woodlands, TX, 77381

Phone (281) 367-1015

Fax (281) 367-1966

Enumeration date Oct 2, 2006

Last updated in NPPES Apr 15, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0802X Addiction Psychiatry Physician Allopathic & Osteopathic Physicians · License J0080 (TX) Secondary

2084P0804X Child & Adolescent Psychiatry Physician Allopathic & Osteopathic Physicians · License J0080 (TX) Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License J0080 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
1366562225	Other	TX	FAMILY PSYCHIATRY OF THE WOODLANDS GROUP NPI - (OWNER)
1952993073	Other	TX	LUCAS PSYCHIATRIC ASSOCIATES - GROUP NPI FOR IND HOSP. BILLING- (OWNER)

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Marshall Lucas?

The National Provider Identifier (NPI) for Marshall Lucas is 1700970282, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marshall Lucas practice?

The practice location on file with NPPES is in The Woodlands, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-15.