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DR. MARSHALL ANDREW DIVEN MD, MS
NPI 1649809351
Radiology - Radiation Oncology in Brooklyn, NY

Active since April 04, 2020PECOS EnrolledAccepts Medicare Assignment
506 6TH ST, BROOKLYN, NY 11215(718) 780-3000 Get Directions Write a Review

NPPES record last updated: October 16, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jun 23, 2021, Apr 4, 2020 (2 updates tracked since 2020).

About Dr. Marshall Andrew Diven Md, Ms NPPES

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

DR. MARSHALL ANDREW DIVEN MD, MS (NPI 1649809351) is an individual radiation oncology provider in Brooklyn, New York, licensed in Montana (148872) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and is a graduate of University Of South Carolina School Of Medicine, Greenville (2019).

NPPES Registry Identity

NPI1649809351
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameDR. MARSHALL ANDREW DIVENCredential: MD, MS
Location Address506 6TH STBrooklyn, NY 11215-3609
Mailing Address506 6th StBrooklyn, NY 11215-3609
Phone(718) 780-3000
Sole ProprietorNo
Medical School CMSUniversity Of South Carolina School Of Medicine, GreenvilleGraduated 2019
Enumeration DateApril 4, 2020
Last NPPES UpdateOctober 16, 20252 updates tracked since enumeration
NPPES CertifiedOctober 16, 2025
✔ NPI 1649809351 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Licenses✔ Licensed in MT · 148872✔ Licensed in WY · 18641A
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
506 6TH ST, Brooklyn, NY 11215
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross Blue Shield of Wyoming, Mountain Health CO-OP and more.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. Marshall Andrew Diven Md, Ms 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 ID749602076
PECOS Enrollment IDI20250804001486, I20251113000298
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.

Hospital Affiliations CMS Care Compare 2

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

Billings Clinic

Acute Care Hospitals · Billings, MT
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number270004
Location2800 10th Ave NBillings, MT 59101 · Yellowstone County
Emergency services Birthing friendly

Sheridan Memorial Hospital

Acute Care Hospitals · Sheridan, WY
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number530006
Location1401 W 5th StSheridan, WY 82801 · Sheridan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 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
$203.53 typical visit price
range $67.40 – $203.53
Typical copayment $50.88 (range $16.85 – $50.88)
Most-billed visit code 99205
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

DR. VIVIAN JOLLEY BEA M.D.
Surgery
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3288
YANJIN YANG
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000
JOY THERESE MULLEN RN, NP
Nurse Practitioner (Adult Health)
506 6TH ST, EP2
BROOKLYN, NY 11215
Kings County (718) 780-5040
ASHWAD AFZAL M.D.
Internal Medicine
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5246
DR. DANIAH ALBOKHARI M.D.
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
SASIS SIRIKANJANAPONG
Pathology (Anatomic Pathology)
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3634
DR. DANIELLE ABADI MD
Pediatrics
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-5260
KOREN H KWAG MD
Student in an Organized Health Care Education/Training Program
506 6TH ST
BROOKLYN, NY 11215
Kings County (718) 780-3000

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 Marshall Diven's NPI number?

The NPI number for Marshall Diven is 1649809351. It was assigned to this individual provider in the NPPES registry on April 4, 2020.

Where is Marshall Diven located?

Marshall Diven practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (718) 780-3000.

What is Marshall Diven's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Marshall Diven enrolled in Medicare?

Yes. Marshall Diven 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 Marshall Diven accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Montana, Mountain Health CO-OP and UnitedHealthcare list Marshall Diven 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 Marshall Diven affiliated with any hospitals?

According to CMS data, Marshall Diven is affiliated with Billings Clinic and Sheridan Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marshall Diven was last updated on October 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.