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Obstetrics/Gynecology

Christopher Sullivan, MD

Sees patients in Oro Valley, AZ · Tucson, AZ · Arizona

Summary

Christopher Sullivan, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Oro Valley, AZ and Tucson, AZ. NPI 1811008253. 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 Christopher Sullivan, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
Albany Medical College Of Union UniversityMedical school
MaleGender (as listed)
Genesis Ob Gyn PLLCGroup practice

Quick answers

Where does Christopher Sullivan see patients?
Medicare's clinician data lists 2 practice locations, including Oro Valley, AZ and Tucson, AZ. Call before your visit to confirm the address.
What is Christopher Sullivan's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Christopher Sullivan accept Medicare assignment?
Yes. Medicare's clinician data says Christopher Sullivan 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 Christopher Sullivan?
(520) 545-0573, as listed in official Medicare / NPI Registry data.
What is Christopher Sullivan's NPI number?
1811008253. 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 Christopher Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Genesis Ob Gyn PLLC110 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Arizona →

Other OB-GYNs in Oro Valley

Clinicians with the same Medicare primary specialty in Oro Valley, AZ — not a recommendation.

All OB-GYNs in Oro Valley →

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811008253
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