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Osteopathic Manipulative Medicine

Marissa Zajac, DO

Sees patients in San Antonio, TX · Vero Beach, FL · Austin, TX · Texas, Florida

Summary

Marissa Zajac, DO (Osteopathic Manipulative Medicine) is enrolled with Medicare at 5 practice locations in San Antonio, TX, Vero Beach, FL and Austin, TX. NPI 1710367446. 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 Marissa Zajac, 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

Osteopathic Manipulative MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
11Years since medical school (graduated 2015)
University Of North Texas Hsc, College Of Osteopathic MedMedical school
FemaleGender (as listed)
University of Texas Health Science Center at San AntonioGroup practice (+2 more)

Quick answers

Where does Marissa Zajac see patients?
Medicare's clinician data lists 5 practice locations, including San Antonio, TX, Vero Beach, FL and Austin, TX. Call before your visit to confirm the address.
What is Marissa Zajac's specialty?
Medicare lists Osteopathic Manipulative Medicine as the primary specialty.
Does Marissa Zajac accept Medicare assignment?
Yes. Medicare's clinician data says Marissa Zajac 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.
Does Marissa Zajac offer telehealth?
Medicare's clinician data says Marissa Zajac offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Marissa Zajac?
(210) 341-5588, as listed in official Medicare / NPI Registry data.
What is Marissa Zajac's NPI number?
1710367446. 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 Marissa Zajac is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Marissa Zajac as a member of these groups (CMS data updated 2026-10-02).

  • University of Texas Health Science Center at San Antonio1,297 clinicians in the group
  • TMC Provider Group PLLC211 clinicians in the group
  • Ballout International PLLC49 clinicians in the group

Specialties

Find other Osteopathic Manipulative Medicine doctors in Texas →

Other osteopathic manipulative medicine doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All osteopathic manipulative medicine doctors in Texas →

Clinician information

CredentialDO
Medical schoolUniversity Of North Texas Hsc, College Of Osteopathic Med
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1710367446
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