Mallory Kowalski, FNP-C
NPI 1356746382 · Family Nurse Practitioner · Newark, DE
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mallory Kowalski, FNP-C is a Family Nurse Practitioner provider in Newark, DE (NPI 1356746382).
Provider details
- NPI number
- 1356746382
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- LG-0000794 (DE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 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
1,823 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,273 | $107 |
| Testing for Presence of Drug, By Chemistry Analyzers80307 | 262 | $61 |
| Alcohol And/Or Substance (other Than Tobacco) Misuse Structured Assessment (e.g., Audit, Dast), and Brief Intervention 15 to 30 MinutesG0396 | 101 | $29 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 81 | $16 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 67 | $12 |
| Evaluation of Neuropsychological Test, First Hour96132 | 22 | $108 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 804 | 105 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 458 | 79 |
| Gabapentin | 388 | 77 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 298 | 45 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 227 | 40 |
| Tizanidine Hcl | 184 | 44 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$769 across 51 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
- 2014-11-04
- Last updated
- 2019-12-04
Frequently asked questions
- What is Mallory Kowalski's NPI number?
- Mallory Kowalski's National Provider Identifier (NPI) is 1356746382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Kowalski's specialty?
- Mallory Kowalski is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mallory Kowalski located?
- Mallory Kowalski's practice location on file with NPPES is 620 Stanton Christiana Rd Ste 202, Newark, DE 19713-2130.
- What is Mallory Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Mallory Kowalski is (302) 384-7439.
- Does Mallory Kowalski accept Medicare?
- Mallory Kowalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mallory Kowalski's NPI active?
- Yes — Mallory Kowalski's NPI (1356746382) is active in the NPPES registry as of the last update on 2019-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.