DR. MARGARET N CHAPMAN M.D.
NPI 1306009980
Radiology - Neuroradiology in Seattle, WA

Q: What is Margaret Chapman's NPI number?

The NPI number for Margaret Chapman is 1306009980. It was assigned to this individual provider in the NPPES registry on July 3, 2008.

Q: What is Margaret Chapman's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Q: When was this NPI record last updated?

The NPPES record for Margaret Chapman was last updated on September 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.

Active since July 03, 2008PECOS EnrolledAccepts Medicare Assignment

1100 9TH AVE, MS:C5-XR, SEATTLE, WA 98101(206) 223-6600 Get Directions Write a Review

NPPES record last updated: September 18, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 16, 2018, Mar 17, 2018 (2 updates tracked since 2018).

On this page

About Dr. Margaret N Chapman M.d. NPPES

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

DR. MARGARET N CHAPMAN M.D. (NPI 1306009980) is an individual neuroradiology provider in Seattle, Washington, licensed in Massachusetts (264830) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Long Island Community Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1306009980

Entity TypeIndividualFemale

Primary Taxonomy2085N0700X

Provider Legal NameDR. MARGARET N CHAPMANCredential: M.D.

Location Address1100 9TH AVE, MS:C5-XRSeattle, WA 98101-2756

Mailing Address1100 9th Ave, Ms:c5-xrSeattle, WA 98101-2756 · (206) 223-6600

Phone(206) 223-6600

Sole ProprietorNo

Medical School CMSTufts University School Of MedicineGraduated 2008

Enumeration DateJuly 3, 2008

Last NPPES UpdateSeptember 18, 20232 updates tracked since enumeration

NPPES CertifiedSeptember 18, 2023

✔ NPI 1306009980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0700X

License✔ Licensed in MA · 264830

Definition

A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 264830 (MA), MD60382974 (WA)

1100 9TH AVE, Seattle, WA 98101

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Secondary Practice Locations 2

Location 1840 Harrison AveBoston, MA 02118-2905 · Phone (617) 638-6610 · Fax (617) 638-6616

Location 288 E Newton StBoston, MA 02118-2308 · Phone (617) 638-6610 · Fax (617) 638-6616

Other Identifiers 1

Medicaid110093636AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health Maintenance Organization of Florida.Insurance ›

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. Margaret N Chapman 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 ID3971812421

PECOS Enrollment IDI20180316001957, I20230512001978, I20251203003451

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 Margaret Chapman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

New York University

2,701 mi

Cardiovascular Disease

3301 QUANTUM BLVD
Boynton Beach, FL 33426

Reassigned Medicare billing, Florida, New York and Washington enrollments
230 clinicians in this Medicare group

NPI 1285826438 (877) 648-2964

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 28

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

34,373 services379 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

12,715 services139 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

1,094 services568 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

867 services446 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

534 services277 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

530 services279 patients

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

307 services163 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

253 services129 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

157 services84 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

155 services78 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

154 services96 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

147 services76 patients

Mri scan of blood vessels of neck without contrast 70547

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

111 services58 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

105 services54 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

93 services50 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

79 services40 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

77 services39 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

76 services39 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

69 services36 patients

Ct scan head or brain without contrast 70450

58 services57 patients

X-ray of paranasal sinus, minimum of 3 views 70220

An X-ray of the paranasal sinus involves taking multiple images of the spaces around your nose that produce mucus, aiding in clearing and moistening your nasal passages. This helps detect issues like infections, blockages, or abnormalities.

52 services26 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

52 services26 patients

Ct scan of cranial cavity without contrast 70480

A CT scan of the cranial cavity without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your head, specifically the brain area. This can help detect conditions like tumors, infections, or injuries. No dye (contrast) is used in this procedure.

36 services20 patients

Ct scan of soft tissue of neck before and after contrast 70492

A CT scan of the neck's soft tissue uses special X-ray equipment to create detailed pictures of your neck's structures. Contrast dye is injected to make certain areas more visible. It helps in diagnosing conditions like infections, tumors, or injuries.

34 services18 patients

Mri scan of blood vessels of neck before and after contrast 70549

An MRI scan of the neck's blood vessels, both before and after contrast, is a non-invasive imaging test that uses a magnetic field and radio waves to create detailed images. Contrast dye helps highlight the vessels more clearly. This helps in diagnosing conditions like blockages or abnormalities.

31 services17 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

26 services14 patients

Ct scan of soft tissue of neck without contrast 70490

A CT scan of the neck's soft tissue without contrast is a non-invasive imaging technique. It uses X-rays to create detailed pictures of your neck area, helping to identify issues like infections, injuries, or tumors. No special dye (contrast) is used in this procedure.

23 services14 patients

Mri scan of brain without contrast 70551

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Long Island Community Hospital

Acute Care Hospitals · Patchogue, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330141

Location101 Hospital RoadPatchogue, NY 11772 · Suffolk County

Emergency services

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330214

Location550 First AvenueNew York, NY 10016 · New York County

Emergency services Birthing friendly

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.

JACLYN ANN SUBKOVIAK OT

Occupational Therapist

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 341-0461

MARCIE G HUME PHARM.D.

Pharmacist

1100 9TH AVE, MS C3-PO
SEATTLE, WA 98101

King County (206) 223-6877

DR. VINAY GUPTA MD

Internal Medicine (Critical Care Medicine)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6980

MARY JO BUKOVIC CCP

Contractor

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

PEGAH SAFAEIAN D.O.

Physical Medicine & Rehabilitation

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

MRS. GENEVIEVE HOUDET-COTE SLP

Speech-Language Pathologist

1100 9TH AVE, MS:H4-PMR
SEATTLE, WA 98101

King County (206) 341-0461

ROBERT DALE MCCLURE MD

Surgery

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

VIRGINIA MASON MEDICAL CENTER

Internal Medicine (Gastroenterology)

1100 9TH AVE
SEATTLE, WA 98101

King County (206) 223-6600

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 Margaret Chapman's NPI number?

The NPI number for Margaret Chapman is 1306009980. It was assigned to this individual provider in the NPPES registry on July 3, 2008.

Where is Margaret Chapman located?

Margaret Chapman practices at 1100 9th Ave Ms:c5-Xr, Seattle, WA 98101. The listed phone number is (206) 223-6600.

What is Margaret Chapman's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is Margaret Chapman enrolled in Medicare?

Yes. Margaret Chapman 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 organization bills Medicare for Margaret Chapman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Chapman reassigns Medicare benefits to New York University (Boynton Beach, FL). 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 Margaret Chapman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Chapman accept?

Health plans from Oscar Health Maintenance Organization of Florida list Margaret Chapman 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 Margaret Chapman affiliated with any hospitals?

According to CMS data, Margaret Chapman is affiliated with Long Island Community Hospital and Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Margaret Chapman was last updated on September 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.