John Kowalski, D.O.
NPI 1447461389 · Emergency Medicine Physician · Cinnaminson, NJ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kowalski, D.O. is a Emergency Medicine Physician provider in Cinnaminson, NJ (NPI 1447461389).
Provider details
- NPI number
- 1447461389
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OS015080 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
108 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $100 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 30 | $186 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 24 | $9 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $122 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 12 | $128 |
Typical Medicare-allowed amounts for these services range $9–$186 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Additional practice locations (2)
- 2601 Holme AvePhiladelphia, PA 19152-2007Phone: (215) 335-7705
- 101 E Olney AveSuite 400Philadelphia, PA 19120-2421Phone: (215) 456-7000Fax: (215) 254-3289
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is John Kowalski's NPI number?
- John Kowalski's National Provider Identifier (NPI) is 1447461389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kowalski's specialty?
- John Kowalski is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Kowalski located?
- John Kowalski's practice location on file with NPPES is 175 Route 130 S, Cinnaminson, NJ 08077-3376.
- What is John Kowalski's phone number?
- The practice phone number listed in the NPPES registry for John Kowalski is (856) 536-1640.
- Does John Kowalski accept Medicare?
- John Kowalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kowalski's NPI active?
- Yes — John Kowalski's NPI (1447461389) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.