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DR. LAWRENCE S TREMAINE DO
NPI 1447334032
Family Medicine in West Linn, OR

Active since October 24, 2006PECOS Enrolled
22400 S SALAMO RD, SUITE 101A, WEST LINN, OR 97058(503) 657-6010(503) 655-0753 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Lawrence S Tremaine Do NPPES

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

DR. LAWRENCE S TREMAINE DO (NPI 1447334032) is an individual family medicine provider in West Linn, Oregon, licensed in Oregon (0018459) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447334032
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. LAWRENCE S TREMAINECredential: DO
Location Address22400 S SALAMO RD, SUITE 101AWest Linn, OR 97058
Mailing Address22400 S Salamo Rd, Suite 101aWest Linn, OR 97058 · (503) 657-6010 · Fax (503) 655-0753
Phone(503) 657-6010
Fax(503) 655-0753
Sole ProprietorNo
Enumeration DateOctober 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1447334032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OR · 0018459
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
22400 S SALAMO RD, West Linn, OR 97058
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Other Identifiers 2

Medicare ID-Type UnspecifiedR114060OR
Medicare UPINF71852

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Lawrence S Tremaine Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Lawrence Tremaine reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Legacy Meridian Park Hospital
4.7 mi
Hospitalist
19300 SW 65TH AVE
Tualatin, OR 97062
  • Reassigned Medicare billing, Oregon enrollment
  • 218 clinicians in this Medicare group
NPI 1023305034 (503) 692-1212

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

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.
68 services43 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
56 services38 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
17 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97058 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.82 typical visit price
range $54.96 – $166.64
Typical copayment $21.20 (range $13.74 – $41.66)
Most-billed visit code 99203
Established Patient
$97.16 typical visit price
range $17.68 – $136.19
Typical copayment $24.29 (range $4.42 – $34.04)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers32 claims32 services$176.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Lawrence Tremaine's NPI number?

The NPI number for Lawrence Tremaine is 1447334032. It was assigned to this individual provider in the NPPES registry on October 24, 2006.

Where is Lawrence Tremaine located?

Lawrence Tremaine practices at 22400 S Salamo Rd Suite 101A, West Linn, OR 97058. The listed phone number is (503) 657-6010.

What is Lawrence Tremaine's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Lawrence Tremaine enrolled in Medicare?

Yes. Lawrence Tremaine is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lawrence Tremaine's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Tremaine reassigns Medicare benefits to Legacy Meridian Park Hospital (Tualatin, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lawrence Tremaine's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Lawrence Tremaine was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.