MR. MICHAEL RYAN JR. LENIHAN (PA-C) – Surgical Physician Assistant, NPI 1174921183
Surgical Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,686 PHYSICIAN ASSISTANT in CA
Provider Addresses for MR. MICHAEL RYAN JR. LENIHAN (PA-C)
955 LANE AVE STE 200
CHULA VISTA, CA 919144525
Phone: (619) 421-3400
Fax: (619) 421-3557
Type: Location
4215 SPRING ST STE 125
LA MESA, CA 919417983
Phone: (619) 461-7277
Fax: (619) 461-7278
Type: Mailing
3444 Kearny Villa Rd Ste 401
San Diego, CA 921231964
Phone: (619) 421-3400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $316.
Total Amount is formed as General ($316) + Research ($0) + Ownership ($0) = $316.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Miach Orthopaedics, Inc. ($158).
Total Amount
$316
General + Research + Ownership
Payments
8
Total payment records
General Amount
$316
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Miach Orthopaedics, Inc. | $158 |
| Smith+Nephew, Inc. | $65 |
| Fidia Pharma USA Inc. | $44 |
| DePuy Synthes Sales Inc. | $33 |
| Endo USA, Inc. | $17 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2015-05-19
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20150519002244 | I | Physician Assistant | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 706 | 164 | $0 |
| J0665 | Injection, bupivicaine, not otherwise specified, 0.5 mg | 465 | 36 | $0 |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | 337 | 164 | $0 |
| J7321 | Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 149 | 41 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 29 | 25 | $0 |
Insurance plans in this area (ZIP 91914)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | CA | 27447 | Repair of knee joint | 48 | 48 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | NY | |
| Sports Medicine, Orthopedic Surgery | CA | |
| Hand Surgery, Orthopedic Surgery | CA | |
| Sports Medicine, Orthopedic Surgery | CA | |
| Physical Therapist In Private Practice | CA | |
| - | CA | |
| Sports Medicine, Physical Medicine And Rehabilitation | PA | |
| Physician Assistant | CA | |
| - | CA | |
| Orthopedic Surgery | CA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.