WILLIAM GUY WEIGOLD III MD
NPI 1326085531
Internal Medicine - Cardiovascular Disease in Washington, DC
About William Guy Weigold Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM GUY WEIGOLD III MD (NPI 1326085531) is an individual cardiovascular disease provider in Washington, District Of Columbia, licensed in District Of Columbia (MD32991) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and is a graduate of University Of Minnesota Medical School (1998).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
William Guy Weigold Iii 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 William Weigold reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 277 clinicians in this Medicare group
Washington, DC 20010
- Reassigned Medicare billing, District of Columbia enrollment
- 178 clinicians in this Medicare group
Gaithersburg, MD 20878
- Reassigned Medicare billing, District of Columbia enrollment
- 340 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 22
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.
Adventist Healthcare White Oak Medical Center
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20010 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
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.
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
WASHINGTON, DC 20010
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 William Weigold's NPI number?
The NPI number for William Weigold is 1326085531. It was assigned to this individual provider in the NPPES registry on May 31, 2006.
Where is William Weigold located?
William Weigold practices at 110 Irving St NW Suite 2a38, Washington, DC 20010. The listed phone number is (202) 877-2848.
What is William Weigold's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is William Weigold enrolled in Medicare?
Yes. William Weigold 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 William Weigold's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Weigold reassigns Medicare benefits to 3 organizations: Medstar Heart Institute LLC (Washington, DC), Medstar Medical Group Radiology, LLC (Washington, DC) and Adventist Physician Services, Inc. (Gaithersburg, MD). 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 William Weigold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Weigold affiliated with any hospitals?
According to CMS data, William Weigold is affiliated with Adventist Healthcare White Oak Medical Center.
When was this NPI record last updated?
The NPPES record for William Weigold was last updated on September 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# William Guy Weigold III, MD · NPI 1326085531
Cardiovascular Disease physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since May 31, 2006.
## Identity
- **NPI:** 1326085531 (Entity type: Individual)
- **Enumerated:** May 31, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** MD32991 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 IRVING ST NW, SUITE 2A38, Washington, DC 20010-2976
- **Phone:** (202) 877-2848 · **Fax:** (202) 877-6292
## 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): Medstar Heart Institute LLC (NPI 1528345378, Washington, DC); Medstar Medical Group Radiology, LLC (NPI 1326450156, Washington, DC); Adventist Physician Services, Inc. (NPI 1376623207, Gaithersburg, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 1998
## Record status
- **NPPES last updated:** September 20, 2021
- **Other identifiers:** Medicaid 010080363 (VA); Medicaid 033759500 (DC); Medicaid 699958100 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1326085531) · Data from the CMS NPPES public registry.