Andrew Madaj, M.D.
NPI 1891116042 · Family Medicine Physician · Old Bridge, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Madaj, M.D. is a Family Medicine Physician provider in Old Bridge, NJ (NPI 1891116042).
Provider details
- NPI number
- 1891116042
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA09921100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 512 | 216 |
| Losartan Potassium | 362 | 131 |
| Lisinopril | 345 | 120 |
| Amlodipine Besylate | 341 | 111 |
| Levothyroxine Sodium | 196 | 80 |
| Hydrochlorothiazide | 167 | 62 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-12-13
- Last updated
- 2021-12-17
Frequently asked questions
- What is Andrew Madaj's NPI number?
- Andrew Madaj's National Provider Identifier (NPI) is 1891116042, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Madaj's specialty?
- Andrew Madaj is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Madaj located?
- Andrew Madaj's practice location on file with NPPES is 2107 Highway 516, Old Bridge, NJ 08857-1746.
- What is Andrew Madaj's phone number?
- The practice phone number listed in the NPPES registry for Andrew Madaj is (732) 952-0626.
- Does Andrew Madaj accept Medicare?
- Andrew Madaj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Madaj's NPI active?
- Yes — Andrew Madaj's NPI (1891116042) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.