DR. ALEXANDER FLAXMAN MD, MSE
NPI 1497870133
Internal Medicine - Critical Care Medicine in North Chesterfield, VA
About Dr. Alexander Flaxman Md, Mse NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER FLAXMAN MD, MSE (NPI 1497870133) is an individual critical care medicine provider in North Chesterfield, Virginia, licensed in Virginia (0101274087) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Chilton Medical Center, and maintains a secondary practice location in Pompton Plains.
NPPES Registry Identity
Specialties & Licenses 7
Secondary Practice Location 1
Other Identifiers 2
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. Alexander Flaxman Md, Mse 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
2Medicare enrollment records show Alexander Flaxman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
Aventura, FL 33180
- Reassigned Medicare billing, Virginia enrollment
- 88 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 2
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.
Chilton Medical Center
Acute Care Hospitals · Pompton Plains, NJCjw Medical Center
Acute Care Hospitals · Richmond, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23235 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.
NORTH CHESTERFIELD, VA 23235
NORTH CHESTERFIELD, VA 23235
NORTH CHESTERFIELD, VA 23235
RICHMOND, VA 23235
NORTH CHESTERFIELD, VA 23235
NORTH CHESTERFIELD, VA 23235
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 Alexander Flaxman's NPI number?
The NPI number for Alexander Flaxman is 1497870133. It was assigned to this individual provider in the NPPES registry on March 20, 2007.
Where is Alexander Flaxman located?
Alexander Flaxman practices at 1401 Johnston Willis Dr, North Chesterfield, VA 23235. The listed phone number is (804) 483-5000.
What is Alexander Flaxman's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Alexander Flaxman enrolled in Medicare?
Yes. Alexander Flaxman 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 Alexander Flaxman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Flaxman reassigns Medicare benefits to 2 organizations: Practice Associates Medical Group (Morristown, NJ) and Intensive Care Consortium Inc (Aventura, 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 Alexander Flaxman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Flaxman affiliated with any hospitals?
According to CMS data, Alexander Flaxman is affiliated with Chilton Medical Center and Cjw Medical Center.
When was this NPI record last updated?
The NPPES record for Alexander Flaxman was last updated on January 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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. Alexander Flaxman, MD, MSE · NPI 1497870133
Critical Care Medicine physician in North Chesterfield, Virginia. Individual provider, active in the CMS NPPES registry since March 20, 2007.
## Identity
- **NPI:** 1497870133 (Entity type: Individual)
- **Enumerated:** March 20, 2007
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 0101274087 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1401 JOHNSTON WILLIS DR, North Chesterfield, VA 23235-4730
- **Phone:** (804) 483-5000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Practice Associates Medical Group (NPI 1427016385, Morristown, NJ); Intensive Care Consortium Inc (NPI 1629019062, Aventura, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** January 22, 2025
- **Other identifiers:** Other 11968642; Medicaid 0157961 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1497870133) · Data from the CMS NPPES public registry.