DENISE H ZAO MD
NPI 1104906072
Internal Medicine in Northville, MI
About Denise H Zao Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DENISE H ZAO MD (NPI 1104906072) is an individual internal medicine provider in Northville, Michigan, licensed in Michigan (4301078025) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, is affiliated with University Of Michigan Health System, and is a graduate of University Of Michigan Medical School (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Denise H Zao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Denise Zao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ann Arbor, MI 48109
- Reassigned Medicare billing, Michigan enrollment
- 2,377 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Michigan Health System
Acute Care Hospitals · Ann Arbor, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48168 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTHVILLE, MI 48168
NORTHVILLE, MI 48168
NORTHVILLE, MI 48168
NORTHVILLE, MI 48168
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 Denise Zao's NPI number?
The NPI number for Denise Zao is 1104906072. It was assigned to this individual provider in the NPPES registry on October 16, 2006.
Where is Denise Zao located?
Denise Zao practices at 39901 Traditions Drive Suite 210, Northville, MI 48168. The listed phone number is (248) 888-9000.
What is Denise Zao's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Denise Zao enrolled in Medicare?
Yes. Denise Zao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Denise Zao's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Denise Zao reassigns Medicare benefits to Regents Of The University Of Michigan (Ann Arbor, MI). 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 Denise Zao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Denise Zao accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Denise Zao 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.
Is Denise Zao affiliated with any hospitals?
According to CMS data, Denise Zao is affiliated with University Of Michigan Health System.
When was this NPI record last updated?
The NPPES record for Denise Zao was last updated on December 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Denise H Zao, MD · NPI 1104906072
Internal Medicine physician in Northville, Michigan. Individual provider, active in the CMS NPPES registry since October 16, 2006.
## Identity
- **NPI:** 1104906072 (Entity type: Individual)
- **Enumerated:** October 16, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301078025 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 39901 TRADITIONS DRIVE, SUITE 210, Northville, MI 48168
- **Phone:** (248) 888-9000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Regents Of The University Of Michigan (NPI 1013352046, Ann Arbor, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2001
## Record status
- **NPPES last updated:** December 17, 2019
- **Other identifiers:** Medicaid 4629574 (MI)
---
Source: [NPI Profile](https://npiprofile.com/npi/1104906072) · Data from the CMS NPPES public registry.