NPPES file of Aug 9, 2026

Kerry B. Stone, MD

Rheumatology Physician · East Norriton, PA

Kerry B. Stone, MD is a rheumatology physician with a practice address in East Norriton, Pennsylvania, and NPI 1003865353, issued on May 6, 2006. Check the license (Pennsylvania MD425555, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003865353
Name
Kerry B. Stone
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
MD425555 PA
Self-reported in NPPES; status is on the state search
Practice location
170 W. Germantown Pike, East Norriton, PA 19401
Phone
(610) 277-2750
Enumerated
May 6, 2006
Record last updated
Dec 4, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(610) 277-7949
Medicare enrollment
Enrolled (PECOS I20060710000320); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2001
Telehealth
Offers telehealth (CMS)
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 170 W. Germantown Pike

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

  1. Andrew Mermelstein, MDRheumatology Physician1215920335

Verify Kerry B. Stone 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 MD425555
    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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2.3 times the Medicare Part D claims of the average rheumatology physician in 2024

4,539 Medicare Part D claims for 625 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. 382 claims were for opioids.

  1. Kerry Stone4,539
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate540 claims
  2. Methotrexate500 claims
  3. Prednisone395 claims
  4. Meloxicam285 claims
  5. Gabapentin254 claims
  6. Duloxetine Hcl221 claims

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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through 2 group practices

  1. Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
  2. Rheumatology Associates LtdColmar, PA

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

Kerry B. Stone among 413 rheumatology physician records in Pennsylvania

Kerry B. Stone, MD is one of 413 rheumatology physician 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 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 53% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2001 · median 2004 among the 275 with a school on file
  • Record last updated2007 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 rheumatology physician records list a practice address in East Norriton

They are 4 of the 347 NPPES records with a practice address in East Norriton, and 413 rheumatology physician records in Pennsylvania.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Arati Karhadkar, M.D.Norristown, PA 194011982890448
  2. Kate McDonough, D.O.Norristown, PA 194011174918551
  3. Andrew Mermelstein, MDEast Norriton, PA 194011215920335
  4. Daniel Norden, MDEast Norriton, PA 194011548252679
  5. Muznay Khawaja, M.D.East Norriton, PA 194031962840298
  6. Damon Bass, D.O.King Of Prussia, PA 194061568722726
  7. Myron Chu, D.O.King Of Prussia, PA 194061376523837
  8. Regina Kurrasch, M.D.King Of Prussia, PA 194061184980476

Common questions

What is Kerry B. Stone, MD's NPI number?

Kerry B. Stone, MD's National Provider Identifier (NPI) is 1003865353, issued on May 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kerry B. Stone, MD located?

The NPPES record lists a practice address at 170 W. Germantown Pike, East Norriton, PA, 19401. Phone: (610) 277-2750. Providers update this record themselves, so call before visiting.

How can I verify Kerry B. Stone, MD's license?

NPPES lists Pennsylvania license number MD425555, 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.

How much does Kerry B. Stone, MD prescribe under Medicare Part D?

In 2024, Kerry B. Stone, MD had 4,539 Medicare Part D claims for 625 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

What is Kerry B. Stone, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.