DR. JOHN WILLIAM HADDAD M.D
NPI 1972683795
Anesthesiology in Detroit, MI
About Dr. John William Haddad M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN WILLIAM HADDAD M.D (NPI 1972683795) is an individual anesthesiology provider in Detroit, Michigan, licensed in Michigan (4301407096) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Harper University Hospital, and is a graduate of Wayne State University School Of Medicine (1987).
NPPES Registry Identity
Specialties & Licenses
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
Dr. John William Haddad 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 Reassignment
Medicare enrollment records show John Haddad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irving, TX 75038
- Reassigned Medicare billing, Michigan enrollment
- 369 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
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.
Harper University Hospital
Acute Care Hospitals · Detroit, MIDetroit Receiving Hospital
Acute Care Hospitals · Detroit, MIKarmanos Cancer Center
Acute Care Hospitals · Detroit, 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 John Haddad's NPI number?
The NPI number for John Haddad is 1972683795. It was assigned to this individual provider in the NPPES registry on October 16, 2006.
Where is John Haddad located?
John Haddad practices at 3990 John R St, Detroit, MI 48201. The listed phone number is (313) 745-8521.
What is John Haddad's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Haddad enrolled in Medicare?
Yes. John Haddad 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 John Haddad's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Haddad reassigns Medicare benefits to Northstar Anesthesia Of Michigan PLLC (Irving, TX). 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 John Haddad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is John Haddad affiliated with any hospitals?
According to CMS data, John Haddad is affiliated with Harper University Hospital, Detroit Receiving Hospital and Karmanos Cancer Center.
When was this NPI record last updated?
The NPPES record for John Haddad was last updated on September 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. John William Haddad, M.D · NPI 1972683795
Anesthesiology physician in Detroit, Michigan. Individual provider, active in the CMS NPPES registry since October 16, 2006.
## Identity
- **NPI:** 1972683795 (Entity type: Individual)
- **Enumerated:** October 16, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 4301407096 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 3990 JOHN R ST, Detroit, MI 48201-2018
- **Phone:** (313) 745-8521
## 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:** Northstar Anesthesia Of Michigan PLLC (NPI 1871986372, Irving, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 1987
## Record status
- **NPPES last updated:** September 20, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1972683795) · Data from the CMS NPPES public registry.