NICHOLAS SIRHAN CAA
NPI 1881493005
Anesthesiologist Assistant in San Antonio, TX
NPI Status: Active since March 11, 2025
Contact Information
19138 US HIGHWAY 281 N
SAN ANTONIO, TX
ZIP 78258
Phone: (210) 804-5400
- Individual
- Male
- Years of Experience 1
- Anesthesiologist Assistant
- Accepts Insurance
- Accepts Medicare Approved Payment
About NICHOLAS SIRHAN
This page provides the complete NPI Profile along with additional information for Nicholas Sirhan, a provider established in San Antonio, Texas with a medical specialization in Anesthesiologist Assistant and more than one year of experience. The healthcare provider is registered in the NPI registry with number 1881493005 assigned on March 2025. The practitioner's primary taxonomy code is 367H00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1881493005
- Provider Name
- NICHOLAS SIRHAN CAA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 19138 US HIGHWAY 281 N SAN ANTONIO, TX 78258
- Location Phone
- (210) 804-5400
- Mailing Address
- 13115 HUNTSMAN RD SAN ANTONIO, TX 78249
- Mailing Phone
- (210) 274-9114
- Medical School Name
- OTHER
- Graduation Year
- 2025
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-11-2025
- Last Update Date
- 03-11-2025
- Code Navigator
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Anesthesiologist Assistant
- Taxonomy Code
- 367H00000X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- Taxonomy Description
- 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.
Insurance Plans Accepted
According to publicly available information the provider might be accepting the following health plans from these health insurance companies:
- Blue Advantage Bronze HMO? 204 - HMO
- Blue Advantage Bronze HMO? 301 - HMO
- Blue Advantage Bronze HMO? Standard - HMO
- Blue Advantage Gold HMO? 206 - HMO
- Blue Advantage Gold HMO? 603 - HMO
- Blue Advantage Gold HMO? Standard - HMO
- Blue Advantage Plus Bronze? 303 - POS
- Blue Advantage Plus Bronze? 305 - POS
- Blue Advantage Plus Bronze? Standard - POS
- Blue Advantage Plus Gold? 203 - POS
- Blue Advantage Plus Gold? 803 - POS
- Blue Advantage Plus Gold? Standard - POS
- Blue Advantage Plus Silver? 202 - POS
- Blue Advantage Plus Silver? 605 - POS
- Blue Advantage Plus Silver? Standard - POS
- Blue Advantage Security HMO? 200 - HMO
- Blue Advantage Silver HMO? 205 - HMO
- Blue Advantage Silver HMO? 801 - HMO
- Blue Advantage Silver HMO? Standard - HMO
- MyBlue Health Bronze? 402 - HMO
*Please verify directly with this provider to make sure your insurance plan is currently accepted.
Medicare Participation & PECOS Enrollment Status
Nicholas Sirhan is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
PECOS PAC ID: 2769992932
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20250606001912
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.
Find Provider Hospital Affiliations - Privileges
Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.
Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Nicholas Sirhan is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| ST DAVID'S MEDICAL CENTER | 919 E 32ND ST AUSTIN, TX 78705 | (512) 476-7111 | Acute Care Hospitals | |
| ST DAVID'S SOUTH AUSTIN MEDICAL CENTER | 901 WEST BEN WHITE BLVD AUSTIN, TX 78704 | (512) 448-7107 | Acute Care Hospitals |
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1881493005, we treat the final digit (5) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1881493005, enumerated as an "individual" on March 11, 2025.
The provider is located at 19138 US HIGHWAY 281 N SAN ANTONIO, TX 78258 and the phone number is (210) 804-5400.
Anesthesiologist Assistant with taxonomy code 367H00000X.
The provider might be accepting Accepts: Blue Cross and Blue Shield of Texas. Please consult your insurance carrier or call the provider to verify.
Nicholas Sirhan is affiliated with: ST DAVID'S MEDICAL CENTER and ST DAVID'S SOUTH AUSTIN MEDICAL CENTER.
