DR. MICHAEL JOHN MCMAHON M.D.
NPI 1316386444
Internal Medicine - Critical Care Medicine in Bethesda, MD
About Dr. Michael John Mcmahon M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL JOHN MCMAHON M.D. (NPI 1316386444) is an individual critical care medicine provider in Bethesda, Maryland, licensed in Maryland (D0101997) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS, is affiliated with Suburban Hospital, and maintains a secondary practice location in Bethesda.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael John Mcmahon 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Suburban Hospital
Acute Care Hospitals · Bethesda, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20889 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.
BETHESDA, MD 20889
BETHESDA, MD 20889
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 Michael Mcmahon's NPI number?
The NPI number for Michael Mcmahon is 1316386444. It was assigned to this individual provider in the NPPES registry on June 21, 2013.
Where is Michael Mcmahon located?
Michael Mcmahon practices at 8901 Rockville Pike, Bethesda, MD 20889. The listed phone number is (301) 433-4191.
What is Michael Mcmahon's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Michael Mcmahon enrolled in Medicare?
Yes. Michael Mcmahon 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.
Is Michael Mcmahon affiliated with any hospitals?
According to CMS data, Michael Mcmahon is affiliated with Suburban Hospital.
When was this NPI record last updated?
The NPPES record for Michael Mcmahon was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Michael John Mcmahon, M.D. · NPI 1316386444
Critical Care Medicine physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since June 21, 2013.
## Identity
- **NPI:** 1316386444 (Entity type: Individual)
- **Enumerated:** June 21, 2013
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** D0101997 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8901 ROCKVILLE PIKE, Bethesda, MD 20889-5001
- **Phone:** (301) 433-4191
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** January 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1316386444) · Data from the CMS NPPES public registry.