Ryan Pieterick, MD
Individual provider Active NPI Anesthesiology Physician · San Luis Obispo, CA
NPI 1144751983 · NPPES record last updated Mar 10, 2026
Key facts
- NPI
- 1144751983
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Anesthesiology Physician 207L00000X
- License
- A175733 (CA)
- Practice address
- 1911 Johnson Ave
San Luis Obispo, CA 93401-4131 - Phone
- (805) 543-5353
- NPI assigned
- Mar 23, 2017
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 10
Hospital & facility affiliations 8
Medicare Care Compare profile
- Specialty
- Anesthesiology
- Education
- University of Colorado School of Medicine, Denver, 2017
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Associated Anesthesiologists of the Central Coast
Catholic Health Initiatives Colorado
Southern Monterey County Memorial Hospital
Practice addresses (Care Compare)
1010 Murray Ave
San Luis Obispo, CA 93405-1806
Phone (805) 928-1731
11600 W 2ND PL
CMG Anesthesia St. Anthony
Lakewood, CO 80228-1527
Phone (720) 321-1010
300 Canal St
King City, CA 93930-3431
Phone (831) 385-6000
Hospital & facility affiliations
- French Hospital Medical Center
- Adventist Health Sierra Vista
- Marian Regional Medical Center
- Centura Health-St Anthony Hospital
- Adventist Health Twin Cities
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in CA, CO
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20240625002713 | CA | Practitioner - Anesthesiology | 8426308073 | Reassigns benefits to 2 organizations |
| I20260317003234 | CO | Practitioner - Anesthesiology | 8426308073 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A175733 | CA | MD | Anesthesiology Physician |
| DR.0076487 | CO | MD | Anesthesiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Southern Monterey County Memorial Hospital | Current |
Accepting new patients | |
| Associated Anesthesiologists of the Central Coast | Anesthesiology | Current |
Accepting new patients |
| Catholic Health Initiatives Colorado | Current |
Accepting new patients | |
| Southern Monterey County Memorial Hospital | Current |
Accepting new patients | |
| Southern Monterey County Memorial Hospital | Current | Accepting new patients | |
| Catholic Health Initiatives Colorado | Current |
Accepting new patients |
Locations
300 Canal St
King City, CA 93930
Phone (831) 385-6000
24757 Dept La Lockbox
Pasadena, CA 91185
1911 Johnson Ave
Sn Luis Obisp, CA 93401
Phone (805) 542-6633
1010 Murray Ave
Sn Luis Obisp, CA 93405
Phone (805) 546-7600
11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010
Interoperability endpoints
- https://fhir4.healow.com/fhir/r4/JDEGCD
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | DR.0076487 | CO | |
| Anesthesiology Physician | 207L00000X | A175733 | CA | Yes |
Addresses
Primary practice location
1911 Johnson Ave
San Luis Obispo, CA 93401-4131
Mailing address
1813 San Luis Ranch Rd
San Luis Obispo, CA 93405-1567
Phone (303) 564-4720
Other practice location 1
11600 W 2nd Pl
Lakewood, CO 80228-1527
Phone (720) 321-1010
Other providers in San Luis Obispo, CA
- Russell Piazza
- Melody Jean Pickell
- Kathleen Mary Piedmonte
- Cassidy A Pierce
- Casaundria Faithell Pierro
- Marilyn Jane Pieters
- Alisa Piette
- Madeline Ruth Pifer
- Boris Pilch
- Cari Renae Pillo
All providers in San Luis Obispo, CA · Anesthesiology Physician in California
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Mar 10, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.