Registry data as of Aug 27, 2026

Marlene Sierra, CNA

Nurse's Aide · Denver, PA

Marlene Sierra, CNA is a nurse's aide with a practice address in Denver, Pennsylvania, and NPI 1811120504, issued on Aug 27, 2009. Check the license (Pennsylvania 9984196, as entered in NPPES) with the Pennsylvania 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
1811120504
Name
Marlene Sierra
Credential
CNA
Primary taxonomy
Nurse's Aide 376K00000X
License number
9984196 PA
Self-reported in NPPES; status is on the state search
Practice location
308 Washington St, Denver, PA 17517
Phone
(717) 283-3445
Enumerated
Aug 27, 2009
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.
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Verify Marlene Sierra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license 9984196    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 Pennsylvania 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.

1 nurse's aide records list a Denver practice address

They are 1 of the 61 NPPES records with a Denver practice address, and 806 nurse's aide records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 806 in Pennsylvania → Every provider in Denver →

Other nurse's aide records in Pennsylvania

  1. Demetra Abel, CNAPlymouth Meeting, PA1275753758
  2. Gina AcklesPlymouth Meeting, PA1720265069
  3. Taranda Adams, CNALevittown, PA1003436460
  4. Terri Adams-SmithPlymouth Meeting, PA1467612598
  5. Oluwakemi Adeosun, GNAPlymouth Meeting, PA1588873731
  6. Sabina AdhikariLewisberry, PA1134098106
  7. Ornetta AikensPlymouth Meeting, PA1003065830
  8. Ijeoma AjunwaPlymouth Meeting, PA1205077260
  9. Dorothy Akiboh, CNAPlymouth Meeting, PA1538481759
  10. Olakunle Akinwande, GNAPlymouth Meeting, PA1306055298

Common questions

What is Marlene Sierra, CNA's NPI number?

Marlene Sierra, CNA's National Provider Identifier (NPI) is 1811120504, issued on Aug 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Marlene Sierra, CNA located?

The NPPES record lists a practice address at 308 Washington St, Denver, PA, 17517. Phone: (717) 283-3445. Providers update this record themselves, so call before visiting.

How can I verify Marlene Sierra, CNA's license?

NPPES lists Pennsylvania license number 9984196, as entered by the provider. Search the Pennsylvania 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.

Compiled from official public sources by the editorial process.

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.