Dr. Timothy N Marks, MD

Dr. Timothy N Marks is a Anesthesiology Physician provider (Anesthesiology) practicing in Pasadena, TX, registered in the NPPES registry with NPI 1720175177 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1720175177
Entity type	Individual (Type 1)
Name	Dr. Timothy N Marks
Credential	MD
Sex	Male
Practice address	Pasadena, TX, 77504
Phone	2814878177
Enumeration date	2006-10-06
Last updated in NPPES	2014-06-10

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

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
207L00000X	Anesthesiology Physician	Primary	J3719	TX

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
130409910	Medicaid	TX	—

Copy-ready billing details

Provider: Timothy Marks, MD
NPI: 1720175177
Taxonomy: 207L00000X (Anesthesiology Physician)
Address: Pasadena, TX, 77504

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1063854883	Delgado Medical Group LLC	Organization	Medical Specialty Clinic/Center	Pasadena, TX
1518370675	Medico Oa Rehabilitation, Pllc	Organization	Pain Medicine Physician	Pasadena, TX
1770990897	Kay Delgado	Individual	Physical Therapist	Pasadena, TX

Verify this record

Cross-check NPI 1720175177 against the authoritative CMS record: view Dr. Timothy N Marks on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Timothy Marks practice?

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

What is the NPI number for Timothy Marks?

The National Provider Identifier (NPI) for Timothy Marks is 1720175177, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2014-06-10.