What is Nicholas Sirhan's NPI number?

Nicholas Sirhan's National Provider Identifier (NPI) is 1881493005, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Nicholas Sirhan's specialty?

Nicholas Sirhan is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).

Where is Nicholas Sirhan located?

Nicholas Sirhan's practice location on file with NPPES is 19138 US Highway 281 N, San Antonio, TX 78258-4988.

What is Nicholas Sirhan's phone number?

The practice phone number listed in the NPPES registry for Nicholas Sirhan is (210) 804-5400.

Does Nicholas Sirhan accept Medicare?

Nicholas Sirhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Nicholas Sirhan's NPI active?

Yes — Nicholas Sirhan's NPI (1881493005) is active in the NPPES registry as of the last update on 2025-03-11.

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Nicholas Sirhan, CAA

NPI 1881493005 · Anesthesiologist Assistant · San Antonio, TX

Nicholas Sirhan, CAA is a Anesthesiologist Assistant provider in San Antonio, TX (NPI 1881493005).

Provider details

NPI number: 1881493005
Entity type: Individual
Primary specialty: Anesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Credential: CAA
Sex: Male
Sole proprietor: No

Practice location

19138 US Highway 281 N

San Antonio, TX 78258-4988

Phone: (210) 804-5400

Street-level locationGet directions

More TX providers

Mailing address

13115 Huntsman Rd

San Antonio, TX 78249-4535

Specialties & taxonomies

Anesthesiologist AssistantPrimary367H00000X
Physician Assistants & Advanced Practice Nursing Providers

Enrolled with Medicare as Practitioner - Anesthesiology Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Basic profile(49/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2025-03-11
Last updated: 2025-03-11
Certified: 2025-03-11

Frequently asked questions

What is Nicholas Sirhan's NPI number?: Nicholas Sirhan's National Provider Identifier (NPI) is 1881493005, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Nicholas Sirhan's specialty?: Nicholas Sirhan is listed in the NPPES registry with a primary specialty of Anesthesiologist Assistant (Physician Assistants & Advanced Practice Nursing Providers).
Where is Nicholas Sirhan located?: Nicholas Sirhan's practice location on file with NPPES is 19138 US Highway 281 N, San Antonio, TX 78258-4988.
What is Nicholas Sirhan's phone number?: The practice phone number listed in the NPPES registry for Nicholas Sirhan is (210) 804-5400.
Does Nicholas Sirhan accept Medicare?: Nicholas Sirhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Nicholas Sirhan's NPI active?: Yes — Nicholas Sirhan's NPI (1881493005) is active in the NPPES registry as of the last update on 2025-03-11.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions