THOMAS LAWRENCE LARK (MD) – Anesthesiology Physician, NPI 1609818699
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
99 ANESTHESIOLOGY in ID
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Provider Addresses for THOMAS LAWRENCE LARK (MD)
4008, Southeast Willamette Drive, Glen Echo, Portland, Metro, Clackamas County, Oregon, 97267, United States
PORTLAND, OR 972084008
Phone: (503) 372-2740
Fax: (503) 372-2754
Type: Mailing
Treasure Valley Hospital, 8800, West Emerald Street, Boise, Ada County, Idaho, 83704, United States
BOISE, ID 837048205
Phone: (208) 373-5000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $266.
Total Amount is formed as General ($266) + Research ($0) + Ownership ($0) = $266.
Last reported payment date: 2023-12-06 • Largest payer in this snapshot: Pacira Pharmaceuticals Incorporated ($266).
Total Amount
$266
General + Research + Ownership
Payments
3
Total payment records
General Amount
$266
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Pacira Pharmaceuticals Incorporated | $266 |
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: 2005-02-11
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20050211000094 | I | Anesthesiology | ID | 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 |
|---|---|---|---|---|
| 64447 | Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 56 | 55 | $0 |
| 64415 | Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 44 | 44 | $0 |
| 64454 | Injection of anesthetic agent and/or steroid into knee nerve branch using imaging guidance | 33 | 33 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 29 | 29 | $0 |
| 64483 | Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | 12 | 11 | $0 |
Insurance plans in this area (ZIP 97208)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | ID | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 38 | 38 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | ID | |
| Certified Registered Nurse Anesthetist (Crna) | ID | |
| Certified Registered Nurse Anesthetist (Crna) | FL | |
| Certified Registered Nurse Anesthetist (Crna) | TN | |
| A N E S T H E S I O L O G Y | MI | |
| Certified Registered Nurse Anesthetist (Crna) | ID | |
| Certified Registered Nurse Anesthetist (Crna) | CO | |
| A N E S T H E S I O L O G Y | ID | |
| Certified Registered Nurse Anesthetist (Crna) | ID | |
| Certified Registered Nurse Anesthetist (Crna) | TX |
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