Garrett Welsh
Critical Care Medicine Registered Nurse · Oakland, CA
Garrett Welsh is a critical care medicine registered nurse with a practice address in Oakland, California, and NPI 1376149195, issued on Dec 7, 2020. Check the license (California 835255, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Garrett Welsh
- Primary taxonomy
- Critical Care Medicine Registered Nurse 163WC0200X
- License number
- 835255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3100 Telegraph Ave, Oakland, CA 94609
- Phone
- (510) 879-9200
- Enumerated
- Dec 7, 2020
- Record last updated
- Dec 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230602000886); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine registered nurse records → All 405 in California → Look up another NPI →
Also registered at 3100 Telegraph Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nida AhmedStudent in an Organized Health Care Education/Training Program1508493321
- Robyn Anne Almario, PTPhysical Therapist1114759750
- Amberlee Amaral, RNRegistered Nurse1861091225
- Nicole ArmstrongStudent in an Organized Health Care Education/Training Program1043964356
- Janet Arnesty, MDFamily Medicine Physician1669464152
- Marina Ataie Ebuen, N.PFamily Nurse Practitioner1225473242
Verify Garrett Welsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 835255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Garrett Welsh among 405 critical care medicine registered nurse records in California
Garrett Welsh is one of 405 critical care medicine registered nurse records with a practice address in California. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 26% of them.
- NPI issued2020 · 26% of these records are older, 67% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 4% of these records are
- Graduated2022 · median 2022 among the 17 with a school on file
- Record last updated2020 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163WC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine Registered Nurse providers in California
There are 405 critical care medicine registered nurse records in California.
All 405 in California → Every provider in Oakland → Critical Care Medicine Registered Nurse nationwide →
The 8 critical care medicine registered nurse records with the nearest ZIP codes
- Melvin Brodston, RNOakland, CA 946091386360790
- Sean Chester, RNOakland, CA 946091548002868
- Lindsay Fisher, RNOakland, CA 946091831708569
- Shelby Hennigan, RNOakland, CA 946091295411387
- Raquel Jimenez Martinez, RNOakland, CA 946091528746559
- Tammy Liang, RNOakland, CA 946091922788652
- Mary McIlroy, RN, PNPOakland, CA 946091447385109
- Yeji Na, RNOakland, CA 946091528805025
Common questions
What is Garrett Welsh's NPI number?
Garrett Welsh's National Provider Identifier (NPI) is 1376149195, issued on Dec 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Garrett Welsh located?
The NPPES record lists a practice address at 3100 Telegraph Ave, Oakland, CA, 94609. Phone: (510) 879-9200. Providers update this record themselves, so call before visiting.
How can I verify Garrett Welsh's license?
NPPES lists California license number 835255, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.