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Anesthesiology

James P. Ennen, MD

Works at hospitals in Santa Cruz, CA · California

Summary

James P. Ennen, MD (Anesthesiology) is listed by Medicare at 1 hospital in Santa Cruz, CA. NPI 1639676331. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James P. Ennen, 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

AnesthesiologyPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
MaleGender (as listed)
Anesthesia Medical Group of Santa Cruz IncGroup practice

Quick answers

Which hospitals does James P. Ennen work at?
Medicare's official clinician data lists James P. Ennen at 1 hospital: Dominican Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does James P. Ennen see patients?
Medicare's clinician data lists 1 practice location in Santa Cruz, CA. Call before your visit to confirm the address.
What is James P. Ennen's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does James P. Ennen accept Medicare assignment?
Yes. Medicare's clinician data says James P. Ennen 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 James P. Ennen?
(831) 462-7700, as listed in official Medicare / NPI Registry data.
What is James P. Ennen's NPI number?
1639676331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where James P. Ennen works

Medicare's Facility Affiliation Data lists James P. Ennen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where James P. Ennen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James P. Ennen as a member of this group (CMS data updated 2026-10-02).

  • Anesthesia Medical Group of Santa Cruz Inc18 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Santa Cruz

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

All anesthesiologists in Santa Cruz →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639676331
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians