DR. PHILIP L MAR M.D., PHARM.D.
NPI 1982999462
Internal Medicine - Clinical Cardiac Electrophysiology in Saint Louis, MO
About Dr. Philip L Mar M.d., Pharm.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PHILIP L MAR M.D., PHARM.D. (NPI 1982999462) is an individual clinical cardiac electrophysiology provider in Saint Louis, Missouri, licensed in Missouri (2019015018) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Heartland Regional Medical Center, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Dr. Philip L Mar M.d., Pharm.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
3Medicare enrollment records show Philip Mar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Waterloo, IL 62298
- Reassigned Medicare billing, Illinois enrollment
- 228 clinicians in this Medicare group
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 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 20
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.
Heartland Regional Medical Center
Acute Care Hospitals · Marion, ILSsm Health St Mary's Hospital - St Louis
Acute Care Hospitals · Richmond Heights, MOSsm Health Saint Louis University Hospital
Acute Care Hospitals · Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
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 Philip Mar's NPI number?
The NPI number for Philip Mar is 1982999462. It was assigned to this individual provider in the NPPES registry on June 13, 2011.
Where is Philip Mar located?
Philip Mar practices at 3635 Vista Ave Fl 15, Saint Louis, MO 63110. The listed phone number is (314) 268-7975.
What is Philip Mar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.
Is Philip Mar enrolled in Medicare?
Yes. Philip Mar 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 Philip Mar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Philip Mar reassigns Medicare benefits to 3 organizations: Ssm Health Care Group (Saint Louis, MO), Deaconess Illinois Specialty Clinic, Inc. (Waterloo, IL) and Osf Multi-Specialty Group (Peoria, IL). 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 Philip Mar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Philip Mar accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 4 other insurers list Philip Mar 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 Philip Mar affiliated with any hospitals?
According to CMS data, Philip Mar is affiliated with Heartland Regional Medical Center, Ssm Health St Mary's Hospital - St Louis and Ssm Health Saint Louis University Hospital.
When was this NPI record last updated?
The NPPES record for Philip Mar was last updated on July 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.