NPPES file of Aug 9, 2026

Siobhan Mason, CPNP-PC

Pediatrics Physician · Plymouth Meeting, PA

Siobhan Mason, CPNP-PC is a pediatrics physician with a practice address in Plymouth Meeting, Pennsylvania, and NPI 1215640065, issued on Dec 26, 2022. Check the license (Pennsylvania SP026471, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215640065
Name
Siobhan Mason
Credential
CPNP-PC
Primary taxonomy
Pediatrics Physician 208000000X
License number
SP026471 PA
Self-reported in NPPES; status is on the state search
Practice location
3031 Walton RD Ste C101, Plymouth Meeting, PA 19462
Phone
(610) 825-3500
Enumerated
Dec 26, 2022
Record last updated
Dec 26, 2022
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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Also registered at 3031 Walton RD Ste C101

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

  1. Molly BrawleyNurse Practitioner1255258752
  2. Danzeleen Mascaro, CRNPPediatric Nurse Practitioner1639784713

Verify Siobhan Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license SP026471
    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
Open the Pennsylvania license search

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Industry payments in 2024: $153.54

8 payments; by number, the most common kind was food and beverage; the largest payer was Ironshore Pharmaceuticals Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Siobhan Mason$153.54
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pediatrics Physician providers in Pennsylvania

There are 3,382 pediatrics physician records in Pennsylvania.

Other pediatrics physician records in Pennsylvania

  1. Arvin Abadilla, M.D.Hershey, PA1376761510
  2. Francisca Abanyie, MD MPHPhiladelphia, PA1487812335
  3. Hoda Abdel-Hamid, MDPittsburgh, PA1376582304
  4. Amir Abdel-Wahab, M.D.West Reading, PA1548499767
  5. Mohammed Abdu, MDWilkes Barre, PA1275856221
  6. Layla Abdulla, MDPhiladelphia, PA1538908363
  7. Thair Abed, MDPhiladelphia, PA1497743587
  8. Heather Abegglen, MDMonongahela, PA1598050569
  9. Margarita Abella, MDPhiladelphia, PA1609338300
  10. Lori Abels, D.O.York, PA1912164260

Common questions

What is Siobhan Mason, CPNP-PC's NPI number?

Siobhan Mason, CPNP-PC's National Provider Identifier (NPI) is 1215640065, issued on Dec 26, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Siobhan Mason, CPNP-PC located?

The NPPES record lists a practice address at 3031 Walton RD Ste C101, Plymouth Meeting, PA, 19462. Phone: (610) 825-3500. Providers update this record themselves, so call before visiting.

How can I verify Siobhan Mason, CPNP-PC's license?

NPPES lists Pennsylvania license number SP026471, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.