LENA ZEN KRETZMER MD, MPH
NPI 1164984894
Pediatrics in Mentor, OH
About Lena Zen Kretzmer Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LENA ZEN KRETZMER MD, MPH (NPI 1164984894) is an individual pediatrics provider in Mentor, Ohio, licensed in Ohio (35.145305) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lena Zen Kretzmer Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Lena Kretzmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mentor, OH 44060
- Reassigned Medicare billing, Ohio enrollment
- 285 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 44060 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Lena Kretzmer's NPI number?
The NPI number for Lena Kretzmer is 1164984894. It was assigned to this individual provider in the NPPES registry on April 2, 2019.
Where is Lena Kretzmer located?
Lena Kretzmer practices at 9485 Mentor Ave Ste 101, Mentor, OH 44060. The listed phone number is (440) 205-5800.
What is Lena Kretzmer's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Lena Kretzmer enrolled in Medicare?
Yes. Lena Kretzmer is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Lena Kretzmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lena Kretzmer reassigns Medicare benefits to Lake Hospital System, Inc. (Mentor, OH). 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 Lena Kretzmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lena Kretzmer accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 1 other insurer list Lena Kretzmer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lena Kretzmer was last updated on January 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Lena Zen Kretzmer, MD, MPH · NPI 1164984894
Pediatrics physician in Mentor, Ohio. Individual provider, active in the CMS NPPES registry since April 2, 2019.
## Identity
- **NPI:** 1164984894 (Entity type: Individual)
- **Enumerated:** April 2, 2019
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 35.145305 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 9485 MENTOR AVE STE 101, Mentor, OH 44060-8722
- **Phone:** (440) 205-5800
## 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:** Lake Hospital System, Inc. (NPI 1861420804, Mentor, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 23, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1164984894) · Data from the CMS NPPES public registry.