James J. Kwak, M.D.
Family Medicine Physician · Voorhees, NJ
James J. Kwak, M.D. is a family medicine physician with a practice address in Voorhees, New Jersey, and NPI 1578552865, issued on Oct 19, 2005. Check the license (New Jersey 25MB05949300, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James J. Kwak
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 25MB05949300 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 2301 Evesham Road, Voorhees, NJ 08043
- Phone
- (856) 520-8718
- Enumerated
- Oct 19, 2005
- Record last updated
- Feb 28, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (856) 520-8719
- Medicaid ID
- 0040321 NJ
- Medicare enrollment
- Enrolled (PECOS I20040804000996); accepts Medicare assignment
- Medical or professional school
- Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc), 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2301 Evesham Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Alloy, DOGastroenterology Physician1275533036
- Jay Bloch, MDUrology Physician1790717114
- Donna D Elia, MDObstetrics & Gynecology Physician1518039981
- John Gentless, DPMPodiatrist1821031055
- Wendy Martinez, MDObstetrics & Gynecology Physician1265504666
- Shiva Vasishta, MDNeurology Physician1932269982
Verify James J. Kwak 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 25MB05949300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average family medicine physician in 2024
4,423 Medicare Part D claims for 266 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. 98 claims were for opioids.
Most prescribed
- Levothyroxine Sodium158 claims
- Atorvastatin Calcium147 claims
- Amlodipine Besylate144 claims
- Rosuvastatin Calcium127 claims
- Metoprolol Succinate119 claims
- Ezetimibe104 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: $753.92
42 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
51 family medicine physician records list a practice address in Voorhees
They are 51 of the 1,983 NPPES records with a practice address in Voorhees, and 2,770 family medicine physician records in New Jersey.
All 51 in Voorhees → All 2,770 in New Jersey → Every provider in Voorhees →
Other family medicine physician records in New Jersey
- Aleksandr Abakulov, DOMorristown, NJ1083292528
- Siu-Han Abate, MDFreehold, NJ1871884007
- Frishta Abawi, DOMidland Park, NJ1821559675
- Mohammad Abdeljawad, MDVoorhees, NJ1487917365
- Hammad Abdelquader, MDFreehold, NJ1386096865
- Andrew Abdelsayed, M.D.Totowa, NJ1295485530
- Hend Abdelwahab, MDPrinceton, NJ1962631614
- Sami Abdulmassih, M.DWayne, NJ1760777270
- David Abend, D.O.North Brunswick, NJ1609806454
- Jesse Abend, DOJersey City, NJ1629574058
Common questions
What is James J. Kwak, M.D.'s NPI number?
James J. Kwak, M.D.'s National Provider Identifier (NPI) is 1578552865, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James J. Kwak, M.D. located?
The NPPES record lists a practice address at 2301 Evesham Road, Voorhees, NJ, 08043. Phone: (856) 520-8718. Providers update this record themselves, so call before visiting.
How can I verify James J. Kwak, M.D.'s license?
NPPES lists New Jersey license number 25MB05949300, 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 James J. Kwak, M.D. prescribe under Medicare Part D?
In 2024, James J. Kwak, M.D. had 4,423 Medicare Part D claims for 266 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.