SIDDHARTH SINGH D.O.
NPI 1609134261
Anesthesiology in Irvine, CA

NPI Status: Active since May 01, 2012

Contact Information

1000 FIVEPOINT
IRVINE, CA
ZIP 92618
Phone: (888) 333-4673

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  • Individual
  • Male
  • Years of Experience 14
  • Anesthesiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About SIDDHARTH SINGH

This page provides the complete NPI Profile along with additional information for Siddharth Singh, an anesthesiologist established in Irvine, California with a medical specialization in Anesthesiology and more than 14 years of experience. The healthcare provider is registered in the NPI registry with number 1609134261 assigned on May 2012. The practitioner's primary taxonomy code is 207L00000X with license number 20A15374 (CA). The provider is registered as an individual and his NPI record was last updated January 2026.

NPI
1609134261
Provider Name
SIDDHARTH SINGH D.O.
Gender
Male
Entity Type
Individual
Location Address
1000 FIVEPOINT IRVINE, CA 92618
Location Phone
(888) 333-4673
Mailing Address
PO BOX 31309 LOS ANGELES, CA 90031
Mailing Phone
(323) 442-7400
Medical School Name
OTHER
Graduation Year
2012
Is Sole Proprietor?
No
Enumeration Date
05-01-2012
Last Update Date
01-15-2026
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An anesthesiologist like Siddharth Singh manages the care of surgical patients and pain relief through drug administration that reduces or eliminates pain during an operation, medical procedure or during labor and delivery of babies. During surgical procedures anesthesiologists are responsible for adjusting the amount of anesthetic, monitoring the patient's heart rate, body temperature, blood pressure and breathing.

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

Anesthesiology

Taxonomy Code
207L00000X
Type
Allopathic & Osteopathic Physicians
License No.
20A15374
License State
CA
Taxonomy Description
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Medicare Participation & PECOS Enrollment Status

Siddharth Singh 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.

Siddharth Singh is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 2961771761

    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: I20170711001767

    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.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope

This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.

This service was performed 11 times for 11 patients

Insertion of artery tube for blood sampling or infusion through skin

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

This service was performed 14 times for 13 patients

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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 1609134261, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
0
Doubled → 0
Pos 4
9
Unchanged
Pos 5
1
Doubled → 2
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 0 → 0 1 → 2 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 0 + 9 + 2 + 3 + 8 + 2 + 1 + 2 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1609134261.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

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Pathology (Blood Banking & Transfusion Medicine)
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Internal Medicine (Endocrinology, Diabetes & Metabolism)
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Radiology (Radiation Oncology)
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Radiology (Radiation Oncology)
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Nurse Practitioner (Adult Health)
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Nurse Practitioner (Acute Care)
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Internal Medicine (Hematology)
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Urology
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Internal Medicine (Gastroenterology)
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Internal Medicine (Medical Oncology)
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Physical Medicine & Rehabilitation
1000 FIVEPOINT
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Radiology (Diagnostic Radiology)
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Nurse Practitioner
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Obstetrics & Gynecology (Gynecologic Oncology)
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Nurse Anesthetist, Certified Registered
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Radiology (Vascular & Interventional Radiology)
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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609134261, enumerated as an "individual" on May 01, 2012.

The provider is located at 1000 FIVEPOINT IRVINE, CA 92618 and the phone number is (888) 333-4673.

Anesthesiology with taxonomy code 207L00000X.