James Kostek, DO
NPI 1477085660 · Family Medicine Physician · Summit, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Kostek, DO is a Family Medicine Physician provider in Summit, NJ (NPI 1477085660).
Provider details
- NPI number
- 1477085660
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 25MB10822000 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 55 | 23 |
| Amlodipine Besylate | 29 | — |
| Spironolactone | 21 | — |
| Levothyroxine Sodium | 20 | — |
| Semaglutidebrand: Ozempic | 16 | — |
| Estradiolbrand: Estradiol (once Weekly) | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$65 across 4 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
- 2017-03-28
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is James Kostek's NPI number?
- James Kostek's National Provider Identifier (NPI) is 1477085660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Kostek's specialty?
- James Kostek is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Kostek located?
- James Kostek's practice location on file with NPPES is 99 Beauvoir Ave, Summit, NJ 07901-3533.
- What is James Kostek's phone number?
- The practice phone number listed in the NPPES registry for James Kostek is (908) 522-2000.
- Does James Kostek accept Medicare?
- James Kostek is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Kostek's NPI active?
- Yes — James Kostek's NPI (1477085660) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.