Charles Michael Defendorf, D.O.
Internal Medicine Physician · Monroe Township, NJ
Charles Michael Defendorf, D.O. is an internal medicine physician with a practice address in Monroe Township, New Jersey, and NPI 1720528284, issued on Mar 3, 2017. Check the license (New Jersey 25MB10843300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Michael Defendorf
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MB10843300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2 Centre Dr Ste 200, Monroe Township, NJ 08831
- Phone
- (609) 395-2470
- Enumerated
- Mar 3, 2017
- Record last updated
- Mar 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20200929001422); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 2 Centre Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jolita Auguste, M.D.Surgery Physician1063772283
- Roshni Patel, APNNurse Practitioner1629869318
Verify Charles Michael Defendorf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB10843300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average internal medicine physician in 2024
3,938 Medicare Part D claims for 631 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 70 claims were for opioids.
Most prescribed
- Atorvastatin Calcium230 claims
- Amlodipine Besylate170 claims
- Levothyroxine Sodium166 claims
- Rosuvastatin Calcium123 claims
- Lisinopril118 claims
- Losartan Potassium100 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: $289.88
12 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Clinical Health Care Associates OF New Jersey PCMonroe, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Michael Defendorf among 4,632 internal medicine physician records in New Jersey
Charles Michael Defendorf, D.O. is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 82% of them.
- NPI issued2017 · 82% of these records are older, 16% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2017 · median 2000 among the 3,132 with a school on file
- Record last updated2024 · 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 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 internal medicine physician records list a practice address in Monroe Township
They are 8 of the 239 NPPES records with a practice address in Monroe Township, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Monroe Township → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Osama Ghanem, M.DMonroe Township, NJ 088311689679565
- Timothy Gjenvick, M.D.Monroe Twp, NJ 088311003905498
- Richa Gopal, MDMonroe, NJ 088311235266867
- Linda Korman, MDMonroe Township, NJ 088311437290079
- Phyllis Kushins, M.D.Monroe Township, NJ 088311568400927
- Kaushal Nanavati, MDMonroe Twp, NJ 088311427074459
- Vineet Prasad, M.DMonroe Twp, NJ 088311609902493
- Tariq Rizvi, MDMonroe Township, NJ 088311447277918
Common questions
What is Charles Michael Defendorf, D.O.'s NPI number?
Charles Michael Defendorf, D.O.'s National Provider Identifier (NPI) is 1720528284, issued on Mar 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Charles Michael Defendorf, D.O. located?
The NPPES record lists a practice address at 2 Centre Dr Ste 200, Monroe Township, NJ, 08831. Phone: (609) 395-2470. Providers update this record themselves, so call before visiting.
How can I verify Charles Michael Defendorf, D.O.'s license?
NPPES lists New Jersey license number 25MB10843300, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Michael Defendorf, D.O. prescribe under Medicare Part D?
In 2024, Charles Michael Defendorf, D.O. had 3,938 Medicare Part D claims for 631 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.