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DR. TIMOTHY SCOTT LAMASTER M. D.
NPI 1437138229
Family Medicine in Duluth, MN

Active since January 11, 2006PECOS EnrolledAccepts Medicare Assignment
26 E SUPERIOR ST, SUITE 205, DULUTH, MN 55802(218) 249-4300(218) 249-4350 Get Directions Write a Review

NPPES record last updated: August 19, 2010. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Timothy Scott Lamaster M. D. NPPES

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

DR. TIMOTHY SCOTT LAMASTER M. D. (NPI 1437138229) is an individual family medicine provider in Duluth, Minnesota, licensed in Minnesota (36598) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Essentia Health Duluth, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1992).

NPPES Registry Identity

NPI1437138229
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. TIMOTHY SCOTT LAMASTERCredential: M. D.
Location Address26 E SUPERIOR ST, SUITE 205Duluth, MN 55802-2124
Mailing Address440 Kenilworth AveDuluth, MN 55803-2110 · (218) 728-2210
Phone(218) 249-4300
Fax(218) 249-4350
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1992
Enumeration DateJanuary 11, 2006
Last NPPES UpdateAugust 19, 2010
✔ NPI 1437138229 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MN · 36598
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.
26 E SUPERIOR ST, Duluth, MN 55802
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Other Identifiers 3

Medicaid637318600MN
Medicare UPING11184MN
Medicare ID-Type Unspecified89005586MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners, Medica, Security Health Plan.Insurance ›

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

Dr. Timothy Scott Lamaster M. D. 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 ID3476454406
PECOS Enrollment IDI20080225000562
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 6

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.
198 services107 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.
88 services88 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.
66 services54 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
39 services17 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
13 services13 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Essentia Health Duluth

Acute Care Hospitals · Duluth, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240019
Location502 East Second StreetDuluth, MN 55805 · St. Louis County
Birthing friendly

St Lukes Hospital

Acute Care Hospitals · Duluth, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240047
Location915 East 1st StreetDuluth, MN 55805 · St. Louis County
Emergency services Birthing friendly

Lake View Memorial Hospital

Critical Access Hospitals · Two Harbors, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241308
Location325 Eleventh AveTwo Harbors, MN 55616 · Lake County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55802 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
$85.82 typical visit price
range $56.00 – $168.28
Typical copayment $21.45 (range $14.00 – $42.07)
Most-billed visit code 99203
Established Patient
$98.61 typical visit price
range $18.32 – $138.04
Typical copayment $24.65 (range $4.58 – $34.51)
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 3

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers37 claims105 services$5.78 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers12 claims12 services$36.97 avg. paid by Medicare
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
1 supplier12 claims12 services$169.80 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 10

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

DR. ROBERT GLENN MCDONALD M. D.
Family Medicine
26 E SUPERIOR ST, SUITE 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
DR. PETER ALAN WODRICH M.D.
Family Medicine
26 E SUPERIOR ST, STE. 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
DR. NYASHA L.M. SPEARS MD
Family Medicine
26 E SUPERIOR ST, STE. 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
RACHEL MARIE NELSON M.D.
Family Medicine
26 E SUPERIOR ST, SUITE 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
ST. LUKE'S HOSPITAL OF DULUTH
Family Medicine
26 E SUPERIOR ST, STE 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
MELISSA ANN NERVICK-THORNTON MSED, LPCC
Counselor (Professional)
26 E SUPERIOR ST
DULUTH, MN 55802
St. Louis County (218) 722-4180
TONI MARIE ROBERTS PA-C
Physician Assistant
26 E SUPERIOR ST, STE. 205
DULUTH, MN 55802
St. Louis County (218) 249-4300
DR. CRAIG LEE GILBERTSON M.D.
Family Medicine
26 E SUPERIOR ST, STE. 205
DULUTH, MN 55802
St. Louis County (218) 249-4300

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 Timothy Lamaster's NPI number?

The NPI number for Timothy Lamaster is 1437138229. It was assigned to this individual provider in the NPPES registry on January 11, 2006.

Where is Timothy Lamaster located?

Timothy Lamaster practices at 26 E Superior St Suite 205, Duluth, MN 55802. The listed phone number is (218) 249-4300.

What is Timothy Lamaster's specialty?

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

Is Timothy Lamaster enrolled in Medicare?

Yes. Timothy Lamaster 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.

What insurance does Timothy Lamaster accept?

Health plans from HealthPartners, Medica and Security Health Plan list Timothy Lamaster as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Timothy Lamaster affiliated with any hospitals?

According to CMS data, Timothy Lamaster is affiliated with Essentia Health Duluth, St Lukes Hospital and Lake View Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Timothy Lamaster was last updated on August 19, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.