NICHOLAS SIRHAN CAA
NPI 1881493005
Anesthesiologist Assistant in San Antonio, TX

Active since March 11, 2025Accepts Medicare Assignment
19138 US HIGHWAY 281 N, SAN ANTONIO, TX 78258(210) 804-5400 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Nicholas Sirhan Caa NPPES

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

NICHOLAS SIRHAN CAA (NPI 1881493005) is an individual anesthesiologist assistant in San Antonio, Texas and active in the NPI registry since March 2025. He is affiliated with St David's Medical Center and is a graduate of Other (2025).

NPPES Registry Identity

NPI1881493005
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameNICHOLAS SIRHANCredential: CAA
Location Address19138 US HIGHWAY 281 NSan Antonio, TX 78258-4988
Mailing Address13115 Huntsman RdSan Antonio, TX 78249-4535 · (210) 274-9114
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateMarch 11, 2025
NPPES CertifiedMarch 11, 2025
NPI 1881493005 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
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.
19138 US HIGHWAY 281 N, San Antonio, TX 78258

Accepted Insurance

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

Nicholas Sirhan Caa 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 ID2769992932
PECOS Enrollment IDI20250606001912

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St David's Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450431
Location919 E 32nd StAustin, TX 78705 · Travis County
Emergency services Birthing friendly

St David's South Austin Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450713
Location901 West Ben White BlvdAustin, TX 78704 · Travis County
Emergency services Birthing friendly

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450718
Location2400 Round Rock AveRound Rock, TX 78681 · Williamson County
Emergency services Birthing friendly

North Austin Medical Center

Acute Care Hospitals · Austin, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450809
Location12221 Mopac Expressway NorthAustin, TX 78758 · Travis County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Surgery (Surgery of the Hand)
19138 US HIGHWAY 281 N
SAN ANTONIO, TX 78258
Anesthesiologist Assistant
19138 US HIGHWAY 281 N
SAN ANTONIO, TX 78258
Physical Therapist
19138 US HIGHWAY 281 N
SAN ANTONIO, TX 78258
Anesthesiologist Assistant
19138 US HIGHWAY 281 N
SAN ANTONIO, TX 78258
Physical Therapist
19138 US HIGHWAY 281 N
SAN ANTONIO, TX 78258

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 Nicholas Sirhan's NPI number?

The NPI number for Nicholas Sirhan is 1881493005. It was assigned to this individual provider in the NPPES registry on March 11, 2025.

Where is Nicholas Sirhan located?

Nicholas Sirhan practices at 19138 Us Highway 281 N, San Antonio, TX 78258. The listed phone number is (210) 804-5400.

What is Nicholas Sirhan's specialty?

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

Is Nicholas Sirhan enrolled in Medicare?

Yes. Nicholas Sirhan 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.

What insurance does Nicholas Sirhan accept?

Health plans from Blue Cross and Blue Shield of Texas list Nicholas Sirhan 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 Nicholas Sirhan affiliated with any hospitals?

According to CMS data, Nicholas Sirhan is affiliated with St David's Medical Center, St David's South Austin Medical Center, Round Rock Medical Center and North Austin Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Sirhan was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.