John Ahrens, MD
Internal Medicine Physician · Vineland, NJ
John Ahrens, MD is an internal medicine physician with a practice address in Vineland, New Jersey, and NPI 1568443646, issued on Nov 7, 2005. Check the license (New Jersey MA44278, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Ahrens
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MA44278 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1450E Chestnut Ave 3A, Vineland, NJ 08361
- Phone
- (856) 794-8700
- Enumerated
- Nov 7, 2005
- Record last updated
- Aug 28, 2023
- Fax
- (856) 794-2752
- Medicaid ID
- 3442306 NJ
- Medicare enrollment
- Enrolled (PECOS I20050826000226); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify John Ahrens 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 MA44278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average internal medicine physician in 2024
3,766 Medicare Part D claims for 521 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 79 claims were for opioids.
Most prescribed
- Levothyroxine Sodium208 claims
- Atorvastatin Calcium189 claims
- Amlodipine Besylate175 claims
- Losartan Potassium163 claims
- Hydrochlorothiazide153 claims
- Rosuvastatin Calcium137 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: $124.05
7 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Cumberland Internal MedicineVineland, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Ahrens among 4,632 internal medicine physician records in New Jersey
John Ahrens, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1987 · median 2000 among the 3,132 with a school on file
- Record last updated2023 · 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).
30 internal medicine physician records list a practice address in Vineland
They are 30 of the 1,396 NPPES records with a practice address in Vineland, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Vineland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Galetto, MDVineland, NJ 083611871574962
- Teodulo Mendoza, MDVineland, NJ 083611144396854
- Raghuraj Tomar, MDVineland, NJ 083611467412858
- Omar Al Ustwani, MDVineland, NJ 083601275769978
- Murtaza Anssar, DOVineland, NJ 083601598293771
- Dimitrios Barmpouletos, M.D.Vineland, NJ 083601629260013
- Ran BiVineland, NJ 083601477242535
- Sara Khalil, M.D.Vineland, NJ 083601740519834
Common questions
What is John Ahrens, MD's NPI number?
John Ahrens, MD's National Provider Identifier (NPI) is 1568443646, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John Ahrens, MD located?
The NPPES record lists a practice address at 1450E Chestnut Ave 3A, Vineland, NJ, 08361. Phone: (856) 794-8700. Providers update this record themselves, so call before visiting.
How can I verify John Ahrens, MD's license?
NPPES lists New Jersey license number MA44278, 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 John Ahrens, MD prescribe under Medicare Part D?
In 2024, John Ahrens, MD had 3,766 Medicare Part D claims for 521 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.