JOHN LLOYD LOOMIS JR. MD
NPI 1518014018
Emergency Medicine - Emergency Medical Services in Grosse Pointe Farms, MI
About John Lloyd Loomis Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN LLOYD LOOMIS JR. MD (NPI 1518014018) is an individual emergency medical services provider in Grosse Pointe Farms, Michigan, licensed in Michigan (4301063207) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and is a graduate of University Of Michigan Medical School (1984).
NPPES Registry Identity
Specialties & Licenses
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
John Lloyd Loomis Jr. 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 Reassignments
5Medicare enrollment records show John Loomis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 clinicians in this Medicare group
Sandusky, MI 48471
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1497750608 (Michigan)
- 51 clinicians in this Medicare group
Lansing, MI 48910
- Reassigned Medicare billing, Michigan enrollment
- 295 clinicians in this Medicare group
West Branch, MI 48661
- Reassigned Medicare billing, Michigan enrollment
- 61 clinicians in this Medicare group
Lanse, MI 49946
- Reassigned Medicare billing, Michigan enrollment
- 73 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIMckenzie Health System
Critical Access Hospitals · Sandusky, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48236 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GROSSE POINTE FARMS, MI 48236
GROSSE POINTE FARMS, MI 48236
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 Loomis's NPI number?
The NPI number for John Loomis is 1518014018. It was assigned to this individual provider in the NPPES registry on January 5, 2007.
Where is John Loomis located?
John Loomis practices at 159 Kercheval Ave, Grosse Pointe Farms, MI 48236. The listed phone number is (313) 640-2300.
What is John Loomis's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is John Loomis enrolled in Medicare?
Yes. John Loomis 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 John Loomis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Loomis reassigns Medicare benefits to 5 organizations: Beaumont Medical Group Hospital -Based Services (Royal Oak, MI), Mckenzie Memorial Hospital (Sandusky, MI), Degara App, PLLC (Lansing, MI), Northern Michigan Emergency Physicians, LLP (West Branch, MI) and Baraga County Memorial Hospital (Lanse, 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 John Loomis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Loomis accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list John Loomis 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 John Loomis affiliated with any hospitals?
According to CMS data, John Loomis is affiliated with Beaumont Hospital - Grosse Pointe and Mckenzie Health System.
When was this NPI record last updated?
The NPPES record for John Loomis was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
# John Lloyd Loomis Jr., MD · NPI 1518014018
Emergency Medical Services physician in Grosse Pointe Farms, Michigan. Individual provider, active in the CMS NPPES registry since January 5, 2007.
## Identity
- **NPI:** 1518014018 (Entity type: Individual)
- **Enumerated:** January 5, 2007
- **Primary specialty:** Emergency Medicine - Emergency Medical Services · taxonomy 207PE0004X
- **State license:** 4301063207 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 159 KERCHEVAL AVE, Grosse Pointe Farms, MI 48236-3610
- **Phone:** (313) 640-2300
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI); Mckenzie Memorial Hospital (NPI 1033271135, Sandusky, MI); Degara App, PLLC (NPI 1265976971, Lansing, MI); Northern Michigan Emergency Physicians, LLP (NPI 1528083292, West Branch, MI); Baraga County Memorial Hospital (NPI 1700980968, Lanse, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1984
## Record status
- **NPPES last updated:** April 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1518014018) · Data from the CMS NPPES public registry.