MR. MICHAEL RYAN LENIHAN JR. PA-C
NPI 1174921183
Physician Assistant - Surgical in Chula Vista, CA

NPI Status: Active since December 08, 2014

Contact Information

955 LANE AVE STE 200
CHULA VISTA, CA
ZIP 91914
Phone: (619) 421-3400
Fax: (619) 421-3557

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  • Individual
  • Male
  • Years of Experience 15
  • Physician Assistant
  • Surgical
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MICHAEL LENIHAN

This page provides the complete NPI Profile along with additional information for Michael Lenihan, a provider established in Chula Vista, California with a medical specialization in Physician Assistant, focusing in surgical and more than 15 years of experience. The healthcare provider is registered in the NPI registry with number 1174921183 assigned on December 2014. The practitioner's primary taxonomy code is 363AS0400X with license number 52066 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1174921183
Provider Name
MR. MICHAEL RYAN LENIHAN JR. PA-C
Gender
Male
Entity Type
Individual
Location Address
955 LANE AVE STE 200 CHULA VISTA, CA 91914
Location Phone
(619) 421-3400
Location Fax
(619) 421-3557
Mailing Address
955 LANE AVE STE 200 CHULA VISTA, CA 91914
Mailing Phone
(619) 421-3400
Mailing Fax
(619) 421-3557
Medical School Name
OTHER
Graduation Year
2011
Is Sole Proprietor?
No
Enumeration Date
12-08-2014
Last Update Date
06-16-2021
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Location Map

Secondary Locations

  • 3444 Kearny Villa Rd Ste 401
    San Diego, CA 92123
    (619) 421-3400

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 Surgical

Taxonomy Code
363AS0400X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
52066
License State
CA

Medicare Participation & PECOS Enrollment Status

Michael Lenihan 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.

Michael Lenihan 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: 6608196449

    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: I20150519002244

    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.

Aspiration and/or injection of fluid from medium joint using ultrasound guidance

This is a procedure where a needle is guided by ultrasound into a medium-sized joint, like a knee or shoulder. The needle can be used to remove fluid, which can relieve pressure and pain, or to inject medication to help with inflammation and discomfort.

This service was performed 27 times for 19 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance

This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.

This service was performed 368 times for 181 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 23 times for 21 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 12 times for 12 patients

Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg

Gelsyn-3 is a treatment involving injections of a substance called hyaluronan into the joint space. Hyaluronan is naturally present in healthy joint fluid, aiding in lubrication and shock absorption. This treatment helps relieve joint pain, often in conditions like osteoarthritis.

This service was performed 4,872 times for 14 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose

Hyaluronan or derivatives like Hyalgan, Supartz, or Visco-3, are used in intra-articular injections for joint pain relief. They help by improving joint lubrication, reducing inflammation, and promoting tissue healing. Each dose is administered directly into the joint space.

This service was performed 150 times for 38 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

This service was performed 859 times for 180 patients

Limited ultrasound scan of joint or other extremity structure lacking blood vessels

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

This service was performed 21 times for 19 patients

Ultrasonic guidance for needle placement

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

This service was performed 19 times for 17 patients

Reviews for MR. MICHAEL RYAN LENIHAN JR. PA-C

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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 1174921183, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
7
Doubled → 14 → 1 + 4
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
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 7 → 14 → 5 9 → 18 → 9 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 4 + 4 + 1 + 8 + 2 + 2 + 1 + 1 + 6 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1174921183.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Specialist
955 LANE AVE STE 200
CHULA VISTA, CA 91914
Physician Assistant
955 LANE AVE STE 200
CHULA VISTA, CA 91914
Orthopaedic Surgery
955 LANE AVE STE 200
CHULA VISTA, CA 91914
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
955 LANE AVE STE 200
CHULA VISTA, CA 91914

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174921183, enumerated as an "individual" on December 08, 2014.

The provider is located at 955 LANE AVE STE 200 CHULA VISTA, CA 91914 and the phone number is (619) 421-3400.

Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.