MARLA BLAIR KERWIN D.O.
NPI 1962862508
Anesthesiology in Detroit, MI
About Marla Blair Kerwin D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARLA BLAIR KERWIN D.O. (NPI 1962862508) is an individual anesthesiology provider in Detroit, Michigan, licensed in Michigan (5101025706) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Marla Blair Kerwin D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Marla Kerwin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 905 clinicians in this Medicare group
Palm Beach Gardens, FL 33418
- Reassigned Medicare billing, Florida enrollment
- 3,639 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 3
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.
Beaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, 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.
Other Providers at the Same Location NPPES 20
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 Marla Kerwin's NPI number?
The NPI number for Marla Kerwin is 1962862508. It was assigned to this individual provider in the NPPES registry on February 24, 2016.
Where is Marla Kerwin located?
Marla Kerwin practices at 3990 John R St Box 162, Detroit, MI 48201. The listed phone number is (313) 745-7233.
What is Marla Kerwin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Marla Kerwin enrolled in Medicare?
Yes. Marla Kerwin is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Marla Kerwin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marla Kerwin reassigns Medicare benefits to 2 organizations: Northstar Anesthesia Of Michigan III PLLC (Irving, TX) and University Of Miami (Palm Beach Gardens, FL). 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 Marla Kerwin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marla Kerwin affiliated with any hospitals?
According to CMS data, Marla Kerwin is affiliated with Beaumont Hospital Royal Oak.
When was this NPI record last updated?
The NPPES record for Marla Kerwin was last updated on August 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Marla Blair Kerwin, D.O. · NPI 1962862508
Anesthesiology physician in Detroit, Michigan. Individual provider, active in the CMS NPPES registry since February 24, 2016.
## Identity
- **NPI:** 1962862508 (Entity type: Individual)
- **Enumerated:** February 24, 2016
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 5101025706 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3990 JOHN R ST, BOX 162, Detroit, MI 48201-2018
- **Phone:** (313) 745-7233
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Northstar Anesthesia Of Michigan III PLLC (NPI 1972126209, Irving, TX); University Of Miami (NPI 1346317039, Palm Beach Gardens, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 19, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1962862508) · Data from the CMS NPPES public registry.