Brian Fertig, MD
NPI 1528119146 · Specialist · Piscataway, NJ
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Fertig, MD is a Specialist provider in Piscataway, NJ (NPI 1528119146).
Provider details
- NPI number
- 1528119146
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA 58097 (NJ)
Specialties & taxonomies
Other Service Providers
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
1,154 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 50 Minutes99233 | 577 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 392 | $84 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 112 | $184 |
| Critical Care, First 30-74 Minutes99291 | 73 | $224 |
Typical Medicare-allowed amounts for these services range $84–$224 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 78 | 32 |
| Semaglutidebrand: Ozempic | 73 | 28 |
| Repaglinide | 37 | 21 |
| Metformin Hclbrand: Metformin Hcl Er | 34 | 19 |
| Dapagliflozin Propanediolbrand: Farxiga | 26 | 12 |
| Rosuvastatin Calcium | 25 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$965 across 55 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
- 2007-01-12
- Last updated
- 2009-03-26
Frequently asked questions
- What is Brian Fertig's NPI number?
- Brian Fertig's National Provider Identifier (NPI) is 1528119146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Fertig's specialty?
- Brian Fertig is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Brian Fertig located?
- Brian Fertig's practice location on file with NPPES is 20 Wills Way, Piscataway, NJ 08854-3770.
- What is Brian Fertig's phone number?
- The practice phone number listed in the NPPES registry for Brian Fertig is (732) 562-0027.
- Does Brian Fertig accept Medicare?
- Brian Fertig is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Fertig's NPI active?
- Yes — Brian Fertig's NPI (1528119146) is active in the NPPES registry as of the last update on 2009-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.