NPPES file of Aug 9, 2026

Eui Suk Isaac Oh, RCP

Pulmonary Function Technologist Registered Respiratory Therapist · Redwood City, CA

Eui Suk Isaac Oh, RCP is a pulmonary function technologist registered respiratory therapist with a practice address in Redwood City, California, and NPI 1407455579, issued on Oct 20, 2020. Check the license (California 26523, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407455579
Name
Eui Suk Isaac Oh
Credential
RCP
Primary taxonomy
Pulmonary Function Technologist Registered Respiratory Therapist 2279P1006X
License number
26523 CA
Self-reported in NPPES; status is on the state search
Practice location
910 Marshall St, Redwood City, CA 94063
Phone
(650) 299-2270
Enumerated
Oct 20, 2020
Record last updated
Oct 20, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest pulmonary function technologist registered respiratory therapist records → All 31 in California → Look up another NPI →

Also registered at 910 Marshall St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Eddie Chan, PHARMDPharmacist1275754962
  2. Fady Khoury, PHARMDPharmacist1134349558
  3. Jennifer Mui, RPHPharmacist1528271905
  4. Richard Nguyen, PHARM DPharmacist1134497274
  5. Eric Penaflor, RRTGeneral Care Registered Respiratory Therapist1588128516
  6. Leona Ruegg, RRTRegistered Respiratory Therapist1720550197

Verify Eui Suk Isaac Oh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 26523    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Eui Suk Isaac Oh among 31 pulmonary function technologist registered respiratory therapist records in California

Eui Suk Isaac Oh, RCP is one of 31 pulmonary function technologist registered respiratory therapist records with a practice address in California. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 68% of them.

  • NPI issued2020 · 68% of these records are older, 16% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2020 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2279P1006X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Function Technologist Registered Respiratory Therapist providers in California

There are 31 pulmonary function technologist registered respiratory therapist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 31 in California → Every provider in Redwood City → Pulmonary Function Technologist Registered Respiratory Therapist nationwide →

The 8 pulmonary function technologist registered respiratory therapist records with the nearest ZIP codes

  1. Steven Gannon, R.C.P.Livermore, CA 945501609974880
  2. Maria Cristina Concepcion, RRTOakland, CA 946111679379820
  3. Naason Toledo, RRT, RPFTOakland, CA 946111831660950
  4. Derek PrineOakland, CA 946211144832718
  5. William SlaterRichmond, CA 948011386117406
  6. Matthew AnteEl Sobrante, CA 948031952872301
  7. Carla KellerNovato, CA 949451447722103
  8. Lynette Aitcheson, RTSanta Clara, CA 950511477027472

Common questions

What is Eui Suk Isaac Oh, RCP's NPI number?

Eui Suk Isaac Oh, RCP's National Provider Identifier (NPI) is 1407455579, issued on Oct 20, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Eui Suk Isaac Oh, RCP located?

The NPPES record lists a practice address at 910 Marshall St, Redwood City, CA, 94063. Phone: (650) 299-2270. Providers update this record themselves, so call before visiting.

How can I verify Eui Suk Isaac Oh, RCP's license?

NPPES lists California license number 26523, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.