Mary Bisaga, N.P.
NPI 1891856324 · Obstetrics & Gynecology Nurse Practitioner · Oak Lawn, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Bisaga, N.P. is a Obstetrics & Gynecology Nurse Practitioner provider in Oak Lawn, IL (NPI 1891856324).
Provider details
- NPI number
- 1891856324
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
83% 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$376 across 19 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
- 2006-12-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Bisaga's NPI number?
- Mary Bisaga's National Provider Identifier (NPI) is 1891856324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Bisaga's specialty?
- Mary Bisaga is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Bisaga located?
- Mary Bisaga's practice location on file with NPPES is 4700 W 95th St, Oak Lawn, IL 60453-2533.
- What is Mary Bisaga's phone number?
- The practice phone number listed in the NPPES registry for Mary Bisaga is (708) 857-7230.
- Does Mary Bisaga accept Medicare?
- Mary Bisaga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Bisaga's NPI active?
- Yes — Mary Bisaga's NPI (1891856324) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.