MR. RYAN MICHAEL OCONNELL
NPI 1134770811
Physician Assistant - Medical in Santa Ana, CA

NPI Status: Active since September 24, 2019

Contact Information

1401 W 1ST ST
SANTA ANA, CA
ZIP 92703
Phone: (714) 542-9700
Fax: (714) 542-9708

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  • Individual
  • Male
  • Physician Assistant
  • Medical
  • PECOS Enrolled

About RYAN OCONNELL

This page provides the complete NPI Profile along with additional information for Ryan Oconnell, a primary care provider established in Santa Ana, California with a medical specialization in Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1134770811 assigned on September 2019. The practitioner's primary taxonomy code is 363AM0700X with license number PA58938 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1134770811
Provider Name
MR. RYAN MICHAEL OCONNELL
Gender
Male
Entity Type
Individual
Location Address
1401 W 1ST ST SANTA ANA, CA 92703
Location Phone
(714) 542-9700
Location Fax
(714) 542-9708
Mailing Address
610 LAGUNA RD FULLERTON, CA 92835
Mailing Phone
(858) 291-2503
Is Sole Proprietor?
Yes
Enumeration Date
09-24-2019
Last Update Date
07-08-2025
Code Navigator

A primary care provider (PCP) like Ryan Oconnell sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, etc .

Location Map

Secondary Locations

  • 1430 W 1st St
    Santa Ana, CA 92703
    (714) 955-0038

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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
PA58938
License State
CA

Medicare Participation & PECOS Enrollment Status

Ryan Oconnell 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

  • 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

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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 1134770811, 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
1
Unchanged
Pos 3
3
Doubled → 6
Pos 4
4
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
1
Doubled → 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 3 → 6 7 → 14 → 5 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 1 + 4 + 7 + 0 + 8 + 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 1134770811.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Health Maintenance Organization
1401 W 1ST ST, STE. 101
SANTA ANA, CA 92703
Physician Assistant (Medical)
1401 W 1ST ST
SANTA ANA, CA 92703

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134770811, enumerated as an "individual" on September 24, 2019.

The provider is located at 1401 W 1ST ST SANTA ANA, CA 92703 and the phone number is (714) 542-9700.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.