John Ahrens, MD
NPI 1568443646 · Internal Medicine Physician · Vineland, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ahrens, MD is a Internal Medicine Physician provider in Vineland, NJ (NPI 1568443646).
Provider details
- NPI number
- 1568443646
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MA44278 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,347 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 758 | $81 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 457 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 357 | $135 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 235 | $134 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 116 | $20 |
| Advance Care Planning, First 30 Minutes99497 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 208 | 66 |
| Atorvastatin Calcium | 189 | 72 |
| Amlodipine Besylate | 175 | 67 |
| Losartan Potassium | 163 | 61 |
| Hydrochlorothiazide | 153 | 57 |
| Rosuvastatin Calcium | 137 | 46 |
| Simvastatin | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$124 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-11-07
- Last updated
- 2023-08-28
- Certified
- 2023-08-28
Frequently asked questions
- What is John Ahrens's NPI number?
- John Ahrens's National Provider Identifier (NPI) is 1568443646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ahrens's specialty?
- John Ahrens is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Ahrens located?
- John Ahrens's practice location on file with NPPES is 1450e Chestnut Ave 3a, Vineland, NJ 08361-8469.
- What is John Ahrens's phone number?
- The practice phone number listed in the NPPES registry for John Ahrens is (856) 794-8700.
- Does John Ahrens accept Medicare?
- John Ahrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ahrens's NPI active?
- Yes — John Ahrens's NPI (1568443646) is active in the NPPES registry as of the last update on 2023-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.