NPPES file of Aug 9, 2026

Mary J. Bonner, M.D.

Internal Medicine Physician · Reading, PA

Mary J. Bonner, M.D. is an internal medicine physician with a practice address in Reading, Pennsylvania, and NPI 1023172533, issued on Dec 20, 2006. Check the license (Pennsylvania MD039049L, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1023172533
Name
Mary J. Bonner
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD039049L PA
Self-reported in NPPES; status is on the state search
Practice location
1020 Grings Hill RD, Reading, PA 19608
Phone
(610) 898-5030
Enumerated
Dec 20, 2006
Record last updated
Mar 27, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(610) 777-3474
Medicaid ID
000904608 PA
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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8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →

Also registered at 1020 Grings Hill RD

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

  1. Madison GriffinPhysician Assistant1316870686
  2. Bina Jain, MDInternal Medicine Physician1437363009
  3. Michael Kastenbaum, M.D.Internal Medicine Physician1396809992
  4. Louis Kleiman, DOFamily Medicine Physician1740363035
  5. Elliott Leisawitz, M.D.Internal Medicine Physician1013071612
  6. Brian Reimels, MDFamily Medicine Physician1700843331

Verify Mary J. Bonner 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 MD039049L    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

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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Mary J. Bonner among 7,300 internal medicine physician records in Pennsylvania

Mary J. Bonner, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2012 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

43 internal medicine physician records list a practice address in Reading

They are 43 of the 1,822 NPPES records with a practice address in Reading, and 7,300 internal medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,300 in Pennsylvania → Every provider in Reading → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Margaret Atwell, MDSinking Spring, PA 196081477550069
  2. Berard Avella, MDSinking Spring, PA 196081265439798
  3. Bina Jain, MDReading, PA 196081437363009
  4. Michael Kastenbaum, M.D.Reading, PA 196081396809992
  5. Elliott Leisawitz, M.D.Reading, PA 196081013071612
  6. John Meharg, MDSinking Spring, PA 196081447364450
  7. Charles Wagner, DOReading, PA 196081316904345
  8. James Wong, MDReading, PA 196081629183926

Common questions

What is Mary J. Bonner, M.D.'s NPI number?

Mary J. Bonner, M.D.'s National Provider Identifier (NPI) is 1023172533, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary J. Bonner, M.D. located?

The NPPES record lists a practice address at 1020 Grings Hill RD, Reading, PA, 19608. Phone: (610) 898-5030. Providers update this record themselves, so call before visiting.

How can I verify Mary J. Bonner, M.D.'s license?

NPPES lists Pennsylvania license number MD039049L, 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. 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.