Paul Ahn, D.O.
NPI 1609934298 · Family Medicine Physician · Metuchen, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Ahn, D.O. is a Family Medicine Physician provider in Metuchen, NJ (NPI 1609934298).
Provider details
- NPI number
- 1609934298
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MB63912 (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
19 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
2,404 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 797 | $144 |
| Insertion of Needle Into Vein (3 Years Or Older)36410 | 504 | $20 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 493 | $102 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 233 | $73 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 168 | $149 |
| Administration of Influenza Virus VaccineG0008 | 70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 124 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,126 | 348 |
| Amlodipine Besylate | 495 | 144 |
| Metformin Hcl | 453 | 136 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 267 | 77 |
| Simvastatin | 246 | 70 |
| Tamsulosin Hcl | 242 | 86 |
| Amoxicillin/Potassium Clav |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,313 across 114 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
- 2006-12-05
- Last updated
- 2008-09-16
Frequently asked questions
- What is Paul Ahn's NPI number?
- Paul Ahn's National Provider Identifier (NPI) is 1609934298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Ahn's specialty?
- Paul Ahn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Ahn located?
- Paul Ahn's practice location on file with NPPES is 173 Essex Ave, Metuchen, NJ 08840-2281.
- What is Paul Ahn's phone number?
- The practice phone number listed in the NPPES registry for Paul Ahn is (732) 321-5100.
- Does Paul Ahn accept Medicare?
- Paul Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Ahn's NPI active?
- Yes — Paul Ahn's NPI (1609934298) is active in the NPPES registry as of the last update on 2008-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.