DR. MEGAN LINDSEY OBRIEN DO
NPI 1659804193
Radiology - Diagnostic Radiology in Saint Louis, MO

Q: What is Megan Obrien's NPI number?

The NPI number for Megan Obrien is 1659804193. It was assigned to this individual provider in the NPPES registry on April 11, 2017.

Q: What is Megan Obrien's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for Megan Obrien was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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, 2017PECOS EnrolledAccepts Medicare Assignment

3015 N BALLAS RD, DEPT RADIOLOGY, SAINT LOUIS, MO 63131(314) 996-5170(314) 996-4261 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Jan 5, 2024 and 1 more (4 updates tracked since 2017).

On this page

About Dr. Megan Lindsey Obrien Do NPPES

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

DR. MEGAN LINDSEY OBRIEN DO (NPI 1659804193) is an individual diagnostic radiology provider in Saint Louis, Missouri, licensed in Missouri (2023044613) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of At Still University Of Health Sciences, College Of Osteo Med, Kirksville (2017).

NPPES Registry Identity

NPI1659804193

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. MEGAN LINDSEY OBRIENCredential: DO

Location Address3015 N BALLAS RD, DEPT RADIOLOGYSaint Louis, MO 63131-2329

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 996-5170 · Fax (314) 996-4261

Phone(314) 996-5170

Fax(314) 996-4261

Sole ProprietorNo

Medical School CMSAt Still University Of Health Sciences, College Of Osteo Med, KirksvilleGraduated 2017

Enumeration DateApril 11, 2017

Last NPPES UpdateApril 17, 20254 updates tracked since enumeration

✔ NPI 1659804193 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in MO · 2023044613

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

3015 N BALLAS RD, Saint Louis, MO 63131

Open in Google Maps ↗

Other Identifiers 1

Medicaid200088131MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Megan Lindsey Obrien Do 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 ID7719304831

PECOS Enrollment IDI20240112001658

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 Reassignments

Medicare enrollment records show Megan Obrien reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bjc Outpatient Imaging LLC

6.5 mi

Radiology

1785 CLARKSON RD
Chesterfield, MO 63017

Reassigned Medicare billing, Missouri enrollment
35 clinicians in this Medicare group

NPI 1710781414 (636) 681-1540

Washington University

9.8 mi

Multi-Specialty

510 S KINGSHIGHWAY BLVD
Saint Louis, MO 63110

Reassigned Medicare billing, Missouri enrollment
373 clinicians in this Medicare group

NPI 1962442475 (314) 273-0770

Miracl, LLC

87 mi

Multi-Specialty

1000 W 10TH ST
Rolla, MO 65401

Reassigned Medicare billing, Missouri enrollment
347 clinicians in this Medicare group

NPI 1205304300 (573) 364-9000

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 31

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.

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

421 services347 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

386 services375 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

215 services206 patients

Ct scan of abdomen and pelvis with contrast 74177

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

215 services205 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

125 services122 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

89 services87 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

79 services67 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

57 services55 patients

Ct scan of blood vessels of chest with contrast 71275

A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.

51 services51 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

51 services50 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

44 services40 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.

40 services31 patients

X-ray of knee, 4 or more views 73564

An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.

33 services27 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

29 services29 patients

X-ray of chest, 2 views 71046

28 services28 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

24 services24 patients

X-ray of hand, minimum of 3 views 73130

An X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.

24 services20 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

24 services22 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

23 services21 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

23 services19 patients

Double contrast x-ray of esophagus 74221

A double contrast x-ray of the esophagus is a diagnostic procedure that uses a special type of x-ray and a contrast material to capture detailed images of your esophagus. This helps in identifying any abnormalities or issues.

23 services23 patients

X-ray of abdomen, 2 views 74019

An X-ray of the abdomen, 2 views, is a non-invasive imaging test. It uses a small amount of radiation to capture pictures of the structures inside your belly. The two views provide different angles, helping doctors see your organs clearly and detect any issues.

21 services20 patients

Ct scan of chest without contrast 71250

19 services18 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

18 services18 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

15 services15 patients

X-ray of forearm, 2 views 73090

An X-ray of the forearm, 2 views, is a diagnostic procedure where two different pictures of your forearm are taken using a small amount of radiation. These images help doctors assess your bone health and identify any fractures, infections, or other abnormalities.

13 services11 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.

13 services13 patients

Single contrast x-ray of small intestine 74250

A single contrast x-ray of the small intestine is a diagnostic procedure. A special drink containing a substance called barium is consumed. This coats the small intestine and makes it visible on x-rays. The x-ray images help identify abnormalities in the intestine.

13 services12 patients

Ct scan of chest before and after contrast 71270

A CT scan of the chest before and after contrast is a non-invasive imaging procedure. Initially, images of the chest are taken without contrast to get a baseline. Then, a contrast dye is administered, usually through a vein, to highlight specific areas, making them easier to see. The procedure helps in diagnosing various chest conditions.

12 services12 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

12 services12 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

Missouri Baptist Medical Center

Acute Care Hospitals · Town And Country, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260108

Location3015 N Ballas RdTown And Country, MO 63131 · St. Louis County

Emergency services Birthing friendly

Christian Hospital Northeast

Acute Care Hospitals · Saint Louis, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260180

Location11133 Dunn RoadSaint Louis, MO 63136 · St. Louis County

Emergency services

Barnes-Jewish St Peters Hospital

Acute Care Hospitals · Saint Peters, MO

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260191

Location10 Hospital DrSaint Peters, MO 63376 · St. Charles County

Emergency services

Progress West Hospital

Acute Care Hospitals · O Fallon, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260219

Location2 Progress Point PkwyO Fallon, MO 63368 · St. Charles County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

MS. ASHLEY FRANCES MARIE PIKE FNP

Nurse Practitioner (Family)

3015 N BALLAS RD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63131

St. Louis County (314) 966-5000

PAUL S PATANE M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

MR. BLAIR ANTHONY MALENCH PA

Physician Assistant

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5225

ADNAN MANZOOR MD

Hospitalist

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5772

LAUREN MARIE HECHT RD, LD

Dietitian, Registered

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (573) 579-6375

DR. ALAN P LYSS MD

Internal Medicine (Hematology & Oncology)

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5514

VIRGILIO P DUMADAG MD

Pathology (Anatomic Pathology & Clinical Pathology)

3015 N BALLAS RD, DEPARTMENT OF PATHOLOGY
SAINT LOUIS, MO 63131

St. Louis County (314) 996-4285

STEPHEN R DAVIS M.D.

Anesthesiology

3015 N BALLAS RD
SAINT LOUIS, MO 63131

St. Louis County (314) 996-5330

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 Megan Obrien's NPI number?

The NPI number for Megan Obrien is 1659804193. It was assigned to this individual provider in the NPPES registry on April 11, 2017.

Where is Megan Obrien located?

Megan Obrien practices at 3015 N Ballas Rd Dept Radiology, Saint Louis, MO 63131. The listed phone number is (314) 996-5170.

What is Megan Obrien's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Megan Obrien enrolled in Medicare?

Yes. Megan Obrien 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.

Which organizations bill Medicare for Megan Obrien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Obrien reassigns Medicare benefits to 3 organizations: Bjc Outpatient Imaging LLC (Chesterfield, MO), Washington University (Saint Louis, MO) and Miracl, LLC (Rolla, MO). Each 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 Megan Obrien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Megan Obrien affiliated with any hospitals?

According to CMS data, Megan Obrien is affiliated with Barnes Jewish Hospital, Missouri Baptist Medical Center, Christian Hospital Northeast, Barnes-Jewish St Peters Hospital and Progress West Hospital.

When was this NPI record last updated?

The NPPES record for Megan Obrien was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.