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Anesthesiology

Ryan Pieterick, MD

Works at hospitals in San Luis Obispo, CA · Templeton, CA · Lakewood, CO … · California, Colorado

Summary

Ryan Pieterick, MD (Anesthesiology) is listed by Medicare at 5 hospitals in San Luis Obispo, CA, Templeton, CA and Lakewood, CO and other places. NPI 1144751983. 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 Ryan Pieterick, 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
9Years since medical school (graduated 2017)
University Of Colorado School Of Medicine, DenverMedical school
MaleGender (as listed)
Catholic Health Initiatives ColoradoGroup practice (+2 more)

Quick answers

Which hospitals does Ryan Pieterick work at?
Medicare's official clinician data lists Ryan Pieterick at 5 hospitals: Adventist Health Sierra Vista, Adventist Health Twin Cities, Centura Health-St Anthony Hospital, French Hospital Medical Center and Marian Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ryan Pieterick see patients?
Medicare's clinician data lists 4 practice locations, including San Luis Obispo, CA, Lakewood, CO and King City, CA. Call before your visit to confirm the address.
What is Ryan Pieterick's specialty?
Medicare lists Anesthesiology as the primary specialty.
Does Ryan Pieterick accept Medicare assignment?
Yes. Medicare's clinician data says Ryan Pieterick 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 Ryan Pieterick?
(805) 928-1731, as listed in official Medicare / NPI Registry data.
What is Ryan Pieterick's NPI number?
1144751983. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ryan Pieterick works

Medicare's Facility Affiliation Data lists Ryan Pieterick 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 Ryan Pieterick is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Catholic Health Initiatives Colorado1,225 clinicians in the group
  • Associated Anesthesiologists of the Central Coast35 clinicians in the group
  • Southern Monterey County Memorial Hospital33 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Luis Obispo

Clinicians with the same Medicare primary specialty in San Luis Obispo, CA — not a recommendation.

All anesthesiologists in San Luis Obispo →

Clinician information

CredentialMD
Medical schoolUniversity Of Colorado School Of Medicine, Denver
Graduation year2017
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144751983
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