MRS. MARY PATRICIA LAZAREK CRNP
NPI 1689747974
Nurse Practitioner - Family in Wheaton, MD
About Mrs. Mary Patricia Lazarek Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARY PATRICIA LAZAREK CRNP (NPI 1689747974) is an individual family provider in Wheaton, Maryland, licensed in Maryland (R103005) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mrs. Mary Patricia Lazarek Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mary Lazarek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Kensington, MD 20895
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WHEATON, MD 20902
WHEATON, MD 20902
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Lazarek's NPI number?
The NPI number for Mary Lazarek is 1689747974. It was assigned to this individual provider in the NPPES registry on November 16, 2006. The provider is also known as Ms. Mary P Sheehan.
Where is Mary Lazarek located?
Mary Lazarek practices at 2424 Reedie Dr, Wheaton, MD 20902. The listed phone number is (301) 962-6173.
What is Mary Lazarek's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Lazarek enrolled in Medicare?
Yes. Mary Lazarek is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mary Lazarek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Lazarek reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Kensington, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Lazarek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Lazarek was last updated on June 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mrs. Mary Patricia Lazarek, CRNP · NPI 1689747974
Family physician in Wheaton, Maryland. Individual provider, active in the CMS NPPES registry since November 16, 2006.
## Identity
- **NPI:** 1689747974 (Entity type: Individual)
- **Enumerated:** November 16, 2006
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R103005 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 2424 REEDIE DR, Wheaton, MD 20902-4624
- **Phone:** (301) 962-6173
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1376601872, Kensington, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1689747974) · Data from the CMS NPPES public registry.