NPIMap

Individual provider Active NPI

Ryan Pieterick, MD

  • Anesthesiology Physician
  • San Luis Obispo, CA
National Provider Identifier
1144751983
Registry record updated Mar 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A175733 Issued in CA
Practice address
1911 Johnson Ave
San Luis Obispo, CA 93401-4131
Phone
(805) 543-5353
NPI assigned
Mar 23, 2017
Last updated
Mar 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 10, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X DR.0076487 CO
Anesthesiology Physician 207L00000X A175733 CA Primary

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, CO2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20240625002713 CA Practitioner - Anesthesiology 8426308073 Reassigns benefits to 2 organizations
I20260317003234 CO Practitioner - Anesthesiology 8426308073 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
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 CoastGroup PAC ID 5597665018, 35 clinicians
Catholic Health Initiatives ColoradoGroup PAC ID 8022927342, 1,230 clinicians

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

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A175733CAMDAnesthesiology Physician
DR.0076487COMDAnesthesiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Catholic Health Initiatives Colorado CurrentSince Mar 9, 2026 Accepting new patients
Southern Monterey County Memorial Hospital Current Accepting new patients
Southern Monterey County Memorial Hospital CurrentSince Aug 1, 2024 Accepting new patients
Associated Anesthesiologists of the Central Coast Anesthesiology CurrentSince May 4, 2024 Accepting new patients
Southern Monterey County Memorial Hospital CurrentSince Aug 1, 2024 Accepting new patients
Catholic Health Initiatives Colorado CurrentSince Mar 9, 2026 Accepting new patients

Locations

300 Canal St
King City, CA 93930
Phone (831) 385-6000

24757 Dept La Lockbox
Pasadena, CA 91185

1010 Murray Ave
Sn Luis Obisp, CA 93405
Phone (805) 546-7600

1911 Johnson Ave
Sn Luis Obisp, CA 93401
Phone (805) 542-6633

11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/JDEGCD

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 8

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1490227200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773100800000",
    "number": "1144751983",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1813 SAN LUIS RANCH RD",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934051567",
            "telephone_number": "303-564-4720"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1911 JOHNSON AVE",
            "city": "SAN LUIS OBISPO",
            "state": "CA",
            "postal_code": "934014131",
            "telephone_number": "805-543-5353"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11600 W 2nd Pl",
            "address_purpose": "LOCATION",
            "city": "Lakewood",
            "state": "CO",
            "postal_code": "802281527",
            "country_code": "US",
            "telephone_number": "720-321-1010",
            "fax_number": "720-321-1001",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PIETERICK",
        "first_name": "RYAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-23",
        "last_updated": "2026-03-10",
        "certification_date": "2026-03-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CO",
            "license": "DR.0076487",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A175733",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Luis Obispo, CA

Sources for this page

Verify at the official NPI Registry.