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ALEXANDER WALDRON AA
NPI 1316830532
Anesthesiologist Assistant in Washington, DC

Active since May 29, 2025Accepts Medicare Assignment
5255 LOUGHBORO RD NW, WASHINGTON, DC 20016(202) 537-4000 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alexander Waldron Aa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER WALDRON AA (NPI 1316830532) is an individual anesthesiologist assistant in Washington, District Of Columbia, licensed in District Of Columbia (AA2000086) and active in the NPI registry since May 2025. He is a graduate of Other (2025).

NPPES Registry Identity

NPI1316830532
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameALEXANDER WALDRONCredential: AA
Location Address5255 LOUGHBORO RD NWWashington, DC 20016-2633
Mailing Address1499 Massachusetts Ave Nw Apt 1002Washington, DC 20005-2862
Phone(202) 537-4000
Sole ProprietorYes
Medical School CMSOtherGraduated 2025
Enumeration DateMay 29, 2025
Last NPPES UpdateJuly 16, 2025
NPPES CertifiedJuly 16, 2025
✔ NPI 1316830532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in DC · AA2000086
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
5255 LOUGHBORO RD NW, Washington, DC 20016
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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

Alexander Waldron Aa 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.

PECOS PAC ID4789192667
PECOS Enrollment IDI20250801003165

Medicare Billing Reassignment

Medicare enrollment records show Alexander Waldron reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Surgical Anesthesia Associates, PLLC
Same address
Anesthesiology
5255 LOUGHBORO RD NW
Washington, DC 20016
  • Reassigned Medicare billing, District of Columbia enrollment
  • 127 clinicians in this Medicare group
NPI 1811930647 (202) 243-2280

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DANIEL RICHARD STAIRIKER CRNP
Nurse Practitioner
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4000
HOWARD JIAHAU LI MD
Obstetrics & Gynecology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4000
MR. JOSEPH JOHN LIBRICZ JR. P.A.-C.
Physician Assistant (Surgical)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (301) 589-3977
MICHAEL GOLDENHORN PHARMD
Pharmacist
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4769
AARON CONARD
Radiology (Radiological Physics)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (240) 366-7325
MONTY H. OPPENHEIM MD
Anesthesiology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 243-2280
ANDREA L RICHARDSON MD PHD
Pathology (Cytopathology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4455
DR. SHIVANI AHLAWAT MD
Radiology (Diagnostic Radiology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
District of Columbia (202) 537-4686

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 Waldron's NPI number?

The NPI number for Alexander Waldron is 1316830532. It was assigned to this individual provider in the NPPES registry on May 29, 2025.

Where is Alexander Waldron located?

Alexander Waldron practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (202) 537-4000.

What is Alexander Waldron's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Alexander Waldron enrolled in Medicare?

Yes. Alexander Waldron 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 organization bills Medicare for Alexander Waldron's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Waldron reassigns Medicare benefits to Surgical Anesthesia Associates, PLLC (Washington, DC). The 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 Waldron's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Waldron was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.