NPPES file of Aug 9, 2026

Joseph Kern Weidner, M.D.

Family Medicine Physician · Rising Sun, MD

Joseph Kern Weidner, M.D. is a family medicine physician with a practice address in Rising Sun, Maryland, and NPI 1659367829, issued on Sep 23, 2005. Check the license (Maryland D44373, as entered in NPPES) on the Maryland Board of Physicians; 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
1659367829
Name
Joseph Kern Weidner
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
D44373 MD
Self-reported in NPPES; status is on the state search
Practice location
101 Colonial Way, Rising Sun, MD 21911
Phone
(410) 658-6696
Enumerated
Sep 23, 2005
Record last updated
Sep 9, 2025
Fax
(410) 658-4548
Medicare enrollment
Enrolled (PECOS I20100317000533); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 1990
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 101 Colonial Way

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

  1. Barry Baker, PA-CMedical Physician Assistant1497716690
  2. Bobbi-Jo Gross-Zell, LCPCProfessional Counselor1356637862
  3. Sarah Keesee, LCPCProfessional Counselor1447978481
  4. Razaullah Khwaja, MDSurgery Physician1659337723

Verify Joseph Kern Weidner in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D44373
    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 Maryland 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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2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,381 Medicare Part D claims for 635 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 166 claims were for opioids.

  1. Joseph Weidner10,381
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium493 claims
  2. Amlodipine Besylate354 claims
  3. Atorvastatin Calcium322 claims
  4. Losartan Potassium306 claims
  5. Meloxicam299 claims
  6. Lisinopril295 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.

Industry payments in 2024: $276.28

13 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Joseph Weidner$276.28
  2. Specialty average$902.55

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

Bills Medicare through 2 group practices

  1. Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
  2. Joseph K. Weidner JR MD LLCRising Sun, MD

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

Joseph Kern Weidner among 1,912 family medicine physician records in Maryland

Joseph Kern Weidner, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1990 · median 2004 among the 1,141 with a school on file
  • Record last updated2025 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4 family medicine physician records list a practice address in Rising Sun

They are 4 of the 60 NPPES records with a practice address in Rising Sun, and 1,912 family medicine physician records in Maryland.

The 8 family medicine physician records with the nearest ZIP codes

  1. Ashley Cena, PARising Sun, MD 219111821875915
  2. Neil Lattin, MDRising Sun, MD 219111508818162
  3. Robert Wolf, MDRising Sun, MD 219111215925235
  4. Paul Katz, DOCecilton, MD 219131629047154
  5. Wallace Obenshain, MDCecilton, MD 219131568410603
  6. Shahnawaz Khan, MDChesapeake City, MD 219151730282666
  7. Cameron Gilmore, M.D.Conowingo, MD 219181710271838
  8. Keri Volpini, FNP-CPort Deposit, MD 219041538752548

Common questions

What is Joseph Kern Weidner, M.D.'s NPI number?

Joseph Kern Weidner, M.D.'s National Provider Identifier (NPI) is 1659367829, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Kern Weidner, M.D. located?

The NPPES record lists a practice address at 101 Colonial Way, Rising Sun, MD, 21911. Phone: (410) 658-6696. Providers update this record themselves, so call before visiting.

How can I verify Joseph Kern Weidner, M.D.'s license?

NPPES lists Maryland license number D44373, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Kern Weidner, M.D. prescribe under Medicare Part D?

In 2024, Joseph Kern Weidner, M.D. had 10,381 Medicare Part D claims for 635 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

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.