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

General Surgery

Patricia E. May, MD

Sees patients in Stockton, CA · California

Summary

Patricia E. May, MD (General Surgery) is enrolled with Medicare at 1 practice location in Stockton, CA. NPI 1598877078. 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 Patricia E. May, 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

General SurgeryPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Patricia E. May see patients?
Medicare's clinician data lists 1 practice location in Stockton, CA. Call before your visit to confirm the address.
What is Patricia E. May's specialty?
Medicare lists General Surgery as the primary specialty.
Does Patricia E. May accept Medicare assignment?
Yes. Medicare's clinician data says Patricia E. May 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 Patricia E. May?
(209) 476-2000, as listed in official Medicare / NPI Registry data.
What is Patricia E. May's NPI number?
1598877078. 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 Patricia E. May is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Patricia E. May as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in Stockton

Clinicians with the same Medicare primary specialty in Stockton, CA — not a recommendation.

All general surgeons in Stockton →

Clinician information

CredentialMD
Graduation year1990
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598877078
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