DR. TIMOTHY MICHAEL LONERGAN MD
NPI 1346683059
Orthopaedic Surgery - Foot and Ankle Surgery in Washington, MO

Q: What is Timothy Lonergan's NPI number?

The NPI number for Timothy Lonergan is 1346683059. It was assigned to this individual provider in the NPPES registry on April 11, 2013.

Q: What is Timothy Lonergan's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Lonergan was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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 April 11, 2013PECOS EnrolledAccepts Medicare Assignment

901 PATIENTS FIRST DR STE 1300, WASHINGTON, MO 63090(636) 239-9011(636) 239-0433 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 20, 2019, Aug 2, 2018, Jul 11, 2018 (3 updates tracked since 2018).

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About Dr. Timothy Michael Lonergan Md NPPES

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

DR. TIMOTHY MICHAEL LONERGAN MD (NPI 1346683059) is an individual foot and ankle surgery provider in Washington, Missouri, licensed in Missouri (2025014331) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1346683059

Entity TypeIndividualMale

Primary Taxonomy207XX0004X

Provider Legal NameDR. TIMOTHY MICHAEL LONERGANCredential: MD

Location Address901 PATIENTS FIRST DR STE 1300Washington, MO 63090-4700

Mailing Address901 Patients First Dr Ste 1300Washington, MO 63090-4700 · (636) 239-9011 · Fax (636) 239-0433

Phone(636) 239-9011

Fax(636) 239-0433

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateApril 11, 2013

Last NPPES UpdateJuly 14, 20253 updates tracked since enumeration

NPPES CertifiedJuly 14, 2025

✔ NPI 1346683059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Foot and Ankle SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207XX0004X

Licenses✔ Licensed in MO · 2025014331✔ Licensed in KY · 52379

Definition

Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult reconstructive foot and ankle surgery, adult foot and ankle trauma, sports medicine foot and ankle, and children's foot and ankle reconstructive surgery.

901 PATIENTS FIRST DR STE 1300, Washington, MO 63090

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, UnitedHealthcare.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 Michael Lonergan Md 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 ID1153567870

PECOS Enrollment IDI20180905003939

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.

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.

310 services207 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

305 services190 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

128 services78 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

96 services15 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

71 services60 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

56 services56 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.

56 services54 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

30 services30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

27 services27 patients

Application of short leg cast 29405

The application of a short leg cast is a procedure to stabilize and support the lower leg or foot after an injury. A special material is wrapped around the leg, hardening to form a protective shell. This helps to keep the bones in place, reduce pain, and promote healing.

26 services18 patients

Cast supplies, short leg cast, adult (11 years +), fiberglass Q4038

A short leg cast, made of fiberglass, is used for adults and children aged 11 and up. It's a supportive structure for the lower leg, often used when a bone is broken. The fiberglass material is lightweight, durable, and can be molded to fit your leg comfortably.

21 services16 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260020

Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County

Emergency services Birthing friendly

Mercy Hospital Washington

Acute Care Hospitals · Washington, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260052

Location901 East 5th StreetWashington, MO 63090 · Franklin County

Emergency services

Referred Medical Equipment & Supplies CMS DME claims 13

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

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

3 suppliers14 claims14 services$21.44 avg. paid by Medicare

Tlso, flexible, provides trunk support, thoracic region, rigid posterior panel and soft anterior apron, extends from the sacrococcygeal junction and terminates just inferior to the scapular spine, restricts gross trunk motion in the sagittal plane, produces intracavitary pressure to reduce load on the intervertebral disks, includes straps and closures, prefabricated, off-the-shelf L0457

DME-Orthotic Devices · category DF000N

2 suppliers28 claims28 services$615.53 avg. paid by Medicare

Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panels, posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panels, produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L0637

DME-Orthotic Devices · category DF007N

2 suppliers112 claims112 services$1,130.49 avg. paid by Medicare

Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf L0650

DME-Orthotic Devices · category DF007N

8 suppliers37 claims37 services$855.96 avg. paid by Medicare

Lumbar-sacral orthosis, sagittal-coronal control, rigid shell(s)/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, anterior extends from symphysis pubis to xyphoid, produces intracavitary pressure to reduce load on the intervertebral discs, overall strength is provided by overlapping rigid material and stabilizing closures, includes straps, closures, may include soft interface, pendulous abdomen design, prefabricated, off-the-shelf L0651

DME-Orthotic Devices · category DF007N

9 suppliers110 claims110 services$870.95 avg. paid by Medicare

Knee orthosis, adjustable knee joints (unicentric or polycentric), positional orthosis, rigid support, prefabricated, off-the shelf L1833

DME-Orthotic Devices · category DF011N

2 suppliers15 claims15 services$486.17 avg. paid by Medicare

Knee orthosis, single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated item that has been trimmed, bent, molded, assembled, or otherwise customized to fit a specific patient by an individual with expertise L1843

DME-Orthotic Devices · category DF011N

1 supplier100 claims187 services$746.17 avg. paid by Medicare

Knee orthosis (ko), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf L1851

DME-Orthotic Devices · category DF011N

9 suppliers83 claims107 services$609.27 avg. paid by Medicare

Knee orthosis (ko), double upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf L1852

DME-Orthotic Devices · category DF011N

8 suppliers124 claims217 services$632.89 avg. paid by Medicare

Addition to lower extremity orthosis, suspension sleeve L2397

DME-Orthotic Devices · category DF000N

18 suppliers320 claims522 services$90.28 avg. paid by Medicare

Addition to lower extremity orthosis, soft interface for molded plastic, below knee section L2820

DME-Orthotic Devices · category DF000N

5 suppliers12 claims12 services$67.57 avg. paid by Medicare

Wrist hand orthosis, includes one or more nontorsion joint(s), elastic bands, turnbuckles, may include soft interface, straps, prefabricated, off-the-shelf L3916

DME-Orthotic Devices · category DF000N

18 suppliers122 claims166 services$398.36 avg. paid by Medicare

Walking boot, pneumatic and/or vacuum, with or without joints, with or without interface material, prefabricated, off-the-shelf L4361

DME-Orthotic Devices · category DF003N

2 suppliers24 claims24 services$214.38 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 4

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

DR. TYLER E BOYET D.O.

Orthopaedic Surgery

901 PATIENTS FIRST DR STE 1300
WASHINGTON, MO 63090

Franklin County (636) 239-9011

MITCHEL KOHNEN PA-C

Physician Assistant

901 PATIENTS FIRST DR STE 1300
WASHINGTON, MO 63090

Franklin County (636) 239-9011

HAILEE BROOKE TAYLOR DNP, FNP-C

Nurse Practitioner (Family)

901 PATIENTS FIRST DR STE 1300
WASHINGTON, MO 63090

Franklin County (636) 239-9011

EMILY CATHERINE BECKERMAN PA-S

Physician Assistant

901 PATIENTS FIRST DR STE 1300
WASHINGTON, MO 63090

Franklin County (636) 239-9011

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 Lonergan's NPI number?

The NPI number for Timothy Lonergan is 1346683059. It was assigned to this individual provider in the NPPES registry on April 11, 2013.

Where is Timothy Lonergan located?

Timothy Lonergan practices at 901 Patients First Dr Ste 1300, Washington, MO 63090. The listed phone number is (636) 239-9011.

What is Timothy Lonergan's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Foot and Ankle Surgery, with taxonomy code 207XX0004X.

Is Timothy Lonergan enrolled in Medicare?

Yes. Timothy Lonergan 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 Lonergan accept?

Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Timothy Lonergan 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 Lonergan affiliated with any hospitals?

According to CMS data, Timothy Lonergan is affiliated with Mercy Hospital St Louis and Mercy Hospital Washington.

When was this NPI record last updated?

The NPPES record for Timothy Lonergan was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.