What is Olivia Zaczyk's NPI number?

Olivia Zaczyk's National Provider Identifier (NPI) is 1477254639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Olivia Zaczyk's specialty?

Olivia Zaczyk is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Olivia Zaczyk located?

Olivia Zaczyk's practice location on file with NPPES is 14785 W 101st Ave Ste 2a, Dyer, IN 46311-3371.

What is Olivia Zaczyk's phone number?

The practice phone number listed in the NPPES registry for Olivia Zaczyk is (219) 228-4200.

Does Olivia Zaczyk accept Medicare?

Olivia Zaczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Olivia Zaczyk's NPI active?

Yes — Olivia Zaczyk's NPI (1477254639) is active in the NPPES registry as of the last update on 2023-04-20.

IndividualActiveAccepts Medicare

Olivia Zaczyk, PA-C

NPI 1477254639 · Physician Assistant · Dyer, IN

Olivia Zaczyk, PA-C is a Physician Assistant provider in Dyer, IN (NPI 1477254639).

Provider details

NPI number: 1477254639
Entity type: Individual
Primary specialty: Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: PA-C
Sex: Female
Sole proprietor: Yes
License: 10003960A (IN)

Practice location

14785 W 101st Ave Ste 2a

Dyer, IN 46311-3371

Phone: (219) 228-4200

Street-level locationGet directions

Mailing address

Po Box 779203

Chicago, IL 60677-9203

Specialties & taxonomies

Physician AssistantPrimary363A00000XLicense 10003960A (IN)
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Established profile(74/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
3 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
2,250 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 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)
Destruction of Precancer Skin Growth, 2-14 Growths17003	820	$5
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	266	$72
Destruction of Precancer Skin Growth, 1 Growth17000	257	$39
Destruction of Skin Growth, 1-14 Growths17110	199	$86
Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212	181	$44
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Triamcinolone Acetonide	113	87
Hydrocortisone	77	58
Ketoconazole	75	46
Clobetasol Propionate	44	35
Doxycycline Hyclate	26	23
Mupirocin	22	19
Tretinoin	17	—
Doxycycline Monohydrate	16	14

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,254 across 59 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.

Enumerated: 2023-03-15
Last updated: 2023-04-20
Certified: 2023-04-20

Frequently asked questions

What is Olivia Zaczyk's NPI number?: Olivia Zaczyk's National Provider Identifier (NPI) is 1477254639, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Olivia Zaczyk's specialty?: Olivia Zaczyk is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Olivia Zaczyk located?: Olivia Zaczyk's practice location on file with NPPES is 14785 W 101st Ave Ste 2a, Dyer, IN 46311-3371.
What is Olivia Zaczyk's phone number?: The practice phone number listed in the NPPES registry for Olivia Zaczyk is (219) 228-4200.
Does Olivia Zaczyk accept Medicare?: Olivia Zaczyk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Olivia Zaczyk's NPI active?: Yes — Olivia Zaczyk's NPI (1477254639) is active in the NPPES registry as of the last update on 2023-04-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

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)
Destruction of Precancer Skin Growth, 2-14 Growths17003	820	$5
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	266	$72
Destruction of Precancer Skin Growth, 1 Growth17000	257	$39
Destruction of Skin Growth, 1-14 Growths17110	199	$86
Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212	181	$44
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More

Drug

Part D claims (2024)

Beneficiaries

Triamcinolone Acetonide

113

Hydrocortisone

Ketoconazole

Clobetasol Propionate

Doxycycline Hyclate

Mupirocin

Tretinoin

—

Doxycycline Monohydrate

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$1,254 across 59 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments