Thomas Kowalenko, DO
NPI 1538136429 · Family Medicine Physician · Clark, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Kowalenko, DO is a Family Medicine Physician provider in Clark, NJ (NPI 1538136429).
Provider details
- NPI number
- 1538136429
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MB06592500 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
339 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 214 | $197 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $99 |
Typical Medicare-allowed amounts for these services range $99–$197 (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 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 33 | — |
| Metoprolol Succinate | 32 | — |
| Levofloxacin | 29 | — |
| Atorvastatin Calcium | 28 | — |
| Valsartanbrand: Diovan | 27 | — |
| Albuterol Sulfatebrand: Ventolin Hfa | 27 | — |
| Azithromycin | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-01
- Last updated
- 2010-07-27
Frequently asked questions
- What is Thomas Kowalenko's NPI number?
- Thomas Kowalenko's National Provider Identifier (NPI) is 1538136429, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Kowalenko's specialty?
- Thomas Kowalenko is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Kowalenko located?
- Thomas Kowalenko's practice location on file with NPPES is 808 Raritan Rd, Clark, NJ 07066-1710.
- What is Thomas Kowalenko's phone number?
- The practice phone number listed in the NPPES registry for Thomas Kowalenko is (732) 381-2100.
- Does Thomas Kowalenko accept Medicare?
- Thomas Kowalenko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Kowalenko's NPI active?
- Yes — Thomas Kowalenko's NPI (1538136429) is active in the NPPES registry as of the last update on 2010-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.