DAVID ALLEN MAERZ M.D.
NPI 1447592357
Anesthesiology in Pittsburgh, PA
About David Allen Maerz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID ALLEN MAERZ M.D. (NPI 1447592357) is an individual anesthesiology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD463191) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with St Joe Mercy Hospital System Livonia, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
David Allen Maerz M.d. 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 Reassignments
2Medicare enrollment records show David Maerz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westland, MI 48186
- Reassigned Medicare billing, Michigan enrollment
- 273 clinicians in this Medicare group
Livonia, MI 48154
- Reassigned Medicare billing, Michigan enrollment
- 97 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 13
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Joe Mercy Hospital System Livonia
Acute Care Hospitals · Livonia, MISaint Joseph Mercy Livingston Hospital
Acute Care Hospitals · Howell, MITrinity Health Ann Arbor Hospital
Acute Care Hospitals · Ann Arbor, MIMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 David Maerz's NPI number?
The NPI number for David Maerz is 1447592357. It was assigned to this individual provider in the NPPES registry on March 19, 2013.
Where is David Maerz located?
David Maerz practices at VA Pittsburgh Health System One University Drive C, Pittsburgh, PA 15213. The listed phone number is (412) 360-1641.
What is David Maerz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is David Maerz enrolled in Medicare?
Yes. David Maerz 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 organizations bill Medicare for David Maerz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Maerz reassigns Medicare benefits to 2 organizations: Anesthesia Associates Of Ann Arbor, PLLC (Westland, MI) and St Mary Mercy Hospital Crna (Livonia, MI). Each 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 David Maerz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Maerz affiliated with any hospitals?
According to CMS data, David Maerz is affiliated with St Joe Mercy Hospital System Livonia, Saint Joseph Mercy Livingston Hospital and Trinity Health Ann Arbor Hospital.
When was this NPI record last updated?
The NPPES record for David Maerz was last updated on July 23, 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.