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

Q: What is Michael Lenihan's NPI number?

The NPI number for Michael Lenihan is 1174921183. It was assigned to this individual provider in the NPPES registry on December 8, 2014.

Q: What is Michael Lenihan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Q: When was this NPI record last updated?

The NPPES record for Michael Lenihan was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 08, 2014PECOS EnrolledAccepts Medicare Assignment

955 LANE AVE STE 200, CHULA VISTA, CA 91914(619) 421-3400(619) 421-3557 Get Directions Write a Review

NPPES record last updated: June 16, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 16, 2021, Dec 27, 2016 (2 updates tracked since 2016).

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About Mr. Michael Ryan Lenihan Jr. Pa-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. MICHAEL RYAN LENIHAN JR. PA-C (NPI 1174921183) is an individual surgical provider in Chula Vista, California, licensed in California (52066) and active in the NPI registry since December 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Diego, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1174921183

Entity TypeIndividualMale

Primary Taxonomy363AS0400X

Provider Legal NameMR. MICHAEL RYAN LENIHAN JR.Credential: PA-C

Location Address955 LANE AVE STE 200Chula Vista, CA 91914-4525

Mailing Address955 Lane Ave Ste 200Chula Vista, CA 91914-4525 · (619) 421-3400 · Fax (619) 421-3557

Phone(619) 421-3400

Fax(619) 421-3557

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateDecember 8, 2014

Last NPPES UpdateJune 16, 20212 updates tracked since enumeration

NPPES CertifiedJune 16, 2021

✔ NPI 1174921183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AS0400X

License✔ Licensed in CA · 52066

955 LANE AVE STE 200, Chula Vista, CA 91914

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Secondary Practice Location 1

Location 13444 Kearny Villa Rd Ste 401San Diego, CA 92123-1964 · Phone (619) 421-3400

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Michael Ryan Lenihan Jr. Pa-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6608196449

PECOS Enrollment IDI20150519002244

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

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.

670 services167 patients

Hyaluronan or derivative, hymovis, for intra-articular injection, 1 mg J7322

Hymovis is a treatment involving the injection of a substance called hyaluronan into a joint. This substance, naturally found in the body, helps lubricate and cushion your joints. The treatment can help reduce joint pain and improve mobility.

588 services13 patients

Aspiration and/or injection of fluid large joint using ultrasound guidance 20611

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.

323 services160 patients

Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose J7321

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.

141 services32 patients

Ultrasonic guidance for needle placement 76942

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.

43 services40 patients

Aspiration and/or injection of fluid from small joint using ultrasound guidance 20604

This procedure involves using ultrasound to accurately locate a small joint. A needle is then carefully inserted to remove fluid (aspiration) or inject medication. This can help diagnose or treat joint issues. It's generally safe and minimally invasive.

42 services27 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

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.

34 services32 patients

Injection of carpal tunnel 20526

An injection for carpal tunnel is a treatment to reduce inflammation and swelling in your wrist, which can alleviate pain and numbness. The doctor injects a steroid medication into your wrist area to provide relief.

32 services30 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

21 services19 patients

Aspiration and/or injection of fluid from medium joint using ultrasound guidance 20606

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.

19 services18 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

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.

15 services14 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

13 services11 patients

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Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAMUEL HARRY KLATMAN M.D.

Orthopaedic Surgery

955 LANE AVE STE 200
CHULA VISTA, CA 91914

San Diego County (619) 421-3400

DR. MATTHEW FOLLETT MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

955 LANE AVE STE 200
CHULA VISTA, CA 91914

San Diego County (619) 421-3400

DANIEL B CULLAN II MD INC

Specialist

955 LANE AVE STE 200
CHULA VISTA, CA 91914

San Diego County (619) 421-3400

MS. KAITLEN ELIZABETH KOLODGE MS, PA-C

Physician Assistant

955 LANE AVE STE 200
CHULA VISTA, CA 91914

San Diego County (619) 421-3400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Lenihan's NPI number?

The NPI number for Michael Lenihan is 1174921183. It was assigned to this individual provider in the NPPES registry on December 8, 2014.

Where is Michael Lenihan located?

Michael Lenihan practices at 955 Lane Ave Ste 200, Chula Vista, CA 91914. The listed phone number is (619) 421-3400.

What is Michael Lenihan's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Michael Lenihan enrolled in Medicare?

Yes. Michael Lenihan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Michael Lenihan was last updated on June 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.