Registry data as of Aug 27, 2026

Mercy Quarshie

Registered Nurse · Colton, CA

Mercy Quarshie is a registered nurse with a practice address in Colton, California, and NPI 1891665907, issued on Nov 5, 2025. Check the license (California 821843, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1891665907
Name
Mercy Quarshie
Primary taxonomy
Registered Nurse 163W00000X
License number
821843 CA
Self-reported in NPPES; status is on the state search
Practice location
400 N Pepper Ave, Colton, CA 92324
Phone
(909) 580-1800
Enumerated
Nov 5, 2025
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

Also registered at 400 N Pepper Ave

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

  1. Shangrila AbaricoRegistered Nurse1609659325
  2. Susana AbaroRegistered Nurse1114425162
  3. Patricia AbbaRegistered Nurse1013188838
  4. Mohammad Hossein Abbasi, MD, MPHStudent in an Organized Health Care Education/Training Program1609622166
  5. Ala AbedrabboRegistered Nurse1972333144
  6. Mary AboagyeLicensed Vocational Nurse1982875605

Verify Mercy Quarshie 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 821843
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

367 registered nurse records list a Colton practice address

They are 367 of the 2,459 NPPES records with a Colton practice address, and 16,593 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other registered nurse records in California

  1. Patricia A Onyango, RNModesto, CA1780424473
  2. Adelaida A Zavala, RNOntario, CA1235702804
  3. Anu Aaltonen-Bond, RNRancho Cordova, CA1972895696
  4. Victoria AardappelChico, CA1396148698
  5. Denise Aaron, RNSan Diego, CA1497345268
  6. Tiffanne Aaronsen, FNPIndio, CA1568191807
  7. Bernadette Marie Abadilla, RNMillbrae, CA1154970697
  8. Brenda Abalos, RNNational City, CA1497064737
  9. Carla Abalos, RNUnion City, CA1669158523
  10. Caron Faustino Marti AbalosCerritos, CA1811603327

Common questions

What is Mercy Quarshie's NPI number?

Mercy Quarshie's National Provider Identifier (NPI) is 1891665907, issued on Nov 5, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mercy Quarshie located?

The NPPES record lists a practice address at 400 N Pepper Ave, Colton, CA, 92324. Phone: (909) 580-1800. Providers update this record themselves, so call before visiting.

How can I verify Mercy Quarshie's license?

NPPES lists California license number 821843, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.