Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Marian Jacob, DO

Sees patients in Houston, TX · Texas

Summary

Marian Jacob, DO (Family Practice) is enrolled with Medicare at 1 practice location in Houston, TX. NPI 1619469681. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Marian Jacob, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
Kansas City University Of Med & Biosciences, College Of Osteo MedMedical school
FemaleGender (as listed)
Kelsey-Seybold Medical Group, PLLCGroup practice

Quick answers

Where does Marian Jacob see patients?
Medicare's clinician data lists 1 practice location in Houston, TX. Call before your visit to confirm the address.
What is Marian Jacob's specialty?
Medicare lists Family Practice as the primary specialty.
Does Marian Jacob accept Medicare assignment?
Yes. Medicare's clinician data says Marian Jacob accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Marian Jacob?
(713) 442-0000, as listed in official Medicare / NPI Registry data.
What is Marian Jacob's NPI number?
1619469681. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Marian Jacob is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marian Jacob as a member of this group (CMS data updated 2026-10-02).

  • Kelsey-Seybold Medical Group, PLLC957 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All family doctors in Houston →

Clinician information

CredentialDO
Medical schoolKansas City University Of Med & Biosciences, College Of Osteo Med
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619469681
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians