MARGARET HAYDEN MD
NPI 1164985479
Internal Medicine in Charlottesville, VA
About Margaret Hayden Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET HAYDEN MD (NPI 1164985479) is an individual internal medicine provider in Charlottesville, Virginia, licensed in Virginia (0101281952) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with University Of Virginia Medical Center, and maintains a secondary practice location in Charlottesville.
NPPES Registry Identity
Specialties & Licenses
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
Margaret Hayden 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
3Medicare enrollment records show Margaret Hayden reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Charlottesville, VA 22911
- Reassigned Medicare billing, Virginia enrollment
- 2,820 clinicians in this Medicare group
Birmingham, AL 35294
- Reassigned Medicare billing, Alabama enrollment
- 4,494 clinicians in this Medicare group
Montgomery, AL 36117
- Reassigned Medicare billing, Alabama enrollment
- 439 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Virginia Medical Center
Acute Care Hospitals · Charlottesville, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22903 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.
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 Margaret Hayden's NPI number?
The NPI number for Margaret Hayden is 1164985479. It was assigned to this individual provider in the NPPES registry on April 12, 2019.
Where is Margaret Hayden located?
Margaret Hayden practices at 1222 Jefferson Park Ave, Charlottesville, VA 22903. The listed phone number is (434) 924-1931.
What is Margaret Hayden's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Margaret Hayden enrolled in Medicare?
Yes. Margaret Hayden 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 Margaret Hayden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Hayden reassigns Medicare benefits to 3 organizations: University Of Virginia Physicians Group (Charlottesville, VA), University Of Alabama Health Services Foundation, PC (Birmingham, AL) and The Health Care Authority For Baptist Health, An Affiliate Of Uabhs (Montgomery, AL). 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 Margaret Hayden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Hayden accept?
Health plans from Oscar Health list Margaret Hayden 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 Margaret Hayden affiliated with any hospitals?
According to CMS data, Margaret Hayden is affiliated with University Of Virginia Medical Center.
When was this NPI record last updated?
The NPPES record for Margaret Hayden was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.
# Margaret Hayden, MD · NPI 1164985479
Internal Medicine physician in Charlottesville, Virginia. Individual provider, active in the CMS NPPES registry since April 12, 2019.
## Identity
- **NPI:** 1164985479 (Entity type: Individual)
- **Enumerated:** April 12, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 0101281952 (Virginia)
- **Sole proprietor:** No
## Practice location
- **Address:** 1222 JEFFERSON PARK AVE, Charlottesville, VA 22903-3410
- **Phone:** (434) 924-1931 · **Fax:** (434) 244-4451
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): University Of Virginia Physicians Group (NPI 1033138250, Charlottesville, VA); University Of Alabama Health Services Foundation, PC (NPI 1366638330, Birmingham, AL); The Health Care Authority For Baptist Health, An Affiliate Of Uabhs (NPI 1144529686, Montgomery, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2019
## Record status
- **NPPES last updated:** September 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164985479) · Data from the CMS NPPES public registry.