NPPES file of Aug 9, 2026

Shannon Mary Chester, PA-C

Medical Physician Assistant · Philadelphia, PA

Shannon Mary Chester, PA-C is a medical physician assistant with a practice address in Philadelphia, Pennsylvania, and NPI 1437667441, issued on Jan 12, 2018. Check the license (Pennsylvania MA059683, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437667441
Name
Shannon Mary Chester
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
MA059683 PA
Self-reported in NPPES; status is on the state search
Practice location
3400 Spruce Street, Philadelphia, PA 19104
Phone
(215) 662-6698
Enumerated
Jan 12, 2018
Record last updated
Feb 17, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(215) 662-3953
Medicare enrollment
Enrolled (PECOS I20180306001852); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3400 Spruce Street

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

  1. Stephanie Abbuhl, MDEmergency Medicine Physician1649215195
  2. Shahrzad Abdollahi, M.D.Rheumatology Physician1518494178
  3. Sarah Abdulla, MDVascular & Interventional Radiology Physician1427342336
  4. Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
  5. Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
  6. Samir Abu Gazala, M.D.Surgery Physician1750708251

Verify Shannon Mary Chester 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 MA059683
    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.

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93% fewer Medicare Part D claims than the average medical physician assistant in 2024

86 Medicare Part D claims for 55 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.

  1. Shannon Chester86
  2. Specialty average1,148

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shannon Mary Chester among 3,897 medical physician assistant records in Pennsylvania

Shannon Mary Chester, PA-C is one of 3,897 medical physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.

  • NPI issued2018 · 68% of these records are older, 28% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2017 · median 2015 among the 2,467 with a school on file
  • Record last updated2018 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Pennsylvania

There are 3,897 medical physician assistant records in Pennsylvania.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Veronica Blamasah, MHS, PA-CPhiladelphia, PA 191041427139922
  2. Robert Bond, P.A.Philadelphia, PA 191041073629945
  3. Bryan Booth, PA-CPhiladelphia, PA 191041548235179
  4. Suzanne Box, PA-CPhiladelphia, PA 191041912928847
  5. Tamara Brunker, PA-CPhiladelphia, PA 191041487675070
  6. Daniel Dymond, PA-CPhiladelphia, PA 191041538254529
  7. Amanda Gudknecht, PA-CPhiladelphia, PA 191041871691733
  8. Charmaine JonesPhiladelphia, PA 191041639277320

Common questions

What is Shannon Mary Chester, PA-C's NPI number?

Shannon Mary Chester, PA-C's National Provider Identifier (NPI) is 1437667441, issued on Jan 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Shannon Mary Chester, PA-C located?

The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 662-6698. Providers update this record themselves, so call before visiting.

How can I verify Shannon Mary Chester, PA-C's license?

NPPES lists Pennsylvania license number MA059683, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

How much does Shannon Mary Chester, PA-C prescribe under Medicare Part D?

In 2024, Shannon Mary Chester, PA-C had 86 Medicare Part D claims for 55 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Shannon Mary Chester, PA-C's MIPS final score?

The 2023 MIPS final score is 85.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.